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Long Island Sound is a marine sound and tidal estuary of the Atlantic Ocean . It lies predominantly between the U.S. state of Connecticut to the north and Long Island in New York to the south. From west to east, the sound stretches 110 mi (180 km) from the East River and the Throgs Neck Bridge in New York City, along the North Shore of Long Island, to Block Island Sound . A mix of freshwater from tributaries, and saltwater from the Atlantic Ocean , Long Island Sound is 21 mi (34 km) at its widest point and varies in depth from 65 to 230 feet (20 to 70 m).

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143-552: Westchester Creek (also known as Frenchman's Creek) is a tidal inlet of the East River located in the south eastern portion of the Bronx in New York City . It is 2.1 miles (3.39 km) in length. The creek formerly traveled further inland, to what is now Pelham Parkway , extending almost to Eastchester Bay and making Throggs Neck into an island during heavy storms. However, much of

286-463: A geyser of water 250 feet (76 m) in the air. The blast has been described as "the largest planned explosion before testing began for the atomic bomb", although the detonation at the Battle of Messines in 1917 was larger. Some of the rubble from the detonation was used in 1890 to fill the gap between Great Mill Rock and Little Mill Rock, merging the two islands into a single island, Mill Rock . At

429-500: A bridge built in that location from Manhattan to Queens. The Queensboro Bridge was eventually built south of this location. In 2011, NY Waterway started operating its East River Ferry line. The route was a 7-stop East River service that runs in a loop between East 34th Street and Hunters Point , making two intermediate stops in Brooklyn and three in Queens. The ferry, an alternative to

572-531: A dam at Roosevelt Island (then Blackwell's Island) to create a wet basin for shipping. Filling in part of the river was also proposed in 1867 by engineer James E. Serrell, later a city surveyor, but with emphasis on solving the problem of Hell Gate. Serrell proposed filling in Hell Gate and building a "New East River" through Queens with an extension to Westchester County . Serrell's plan – which he publicized with maps, essay and lectures as well as presentations to

715-399: A farmer collecting 20 oxcarts worth of menhaden using simple fishing nets deployed from the shore. The combination of more sewage, due to the availability of more potable water – New York's water consumption per capita was twice that of Europe – indoor plumbing, the destruction of filter feeders, and the collapse of the food chain, damaged the ecosystem of the waters around New York, including

858-878: A mainstay of striped bass and other pelagic fish . The ban of netting of bunker - which were over-fished in the late 1990s - has significantly improved the quality and volume of the striped bass population in Long Island Sound. Underwater cables transmit electricity under Long Island Sound, most notably a new and controversial Cross Sound Cable that runs from New Haven in western Connecticut, to Shoreham in central Long Island, and an older one from Rye in Westchester County to Oyster Bay on Long Island. Scientists debate whether submarine power cables are safe for marine ecosystems, but installations like large-scale armoing around cables helps to protect overall ecological impact and provides ecosystem regeneration. Over

1001-538: A new canalized East River, only this time from Flushing Bay to Jamaica Bay . He would also expand Brooklyn into the Upper Harbor, put up a dam from Brooklyn to Staten Island , and make extensive landfill in the Lower Bay. At around the same time, in the 1920s, John A. Harriss, New York City's chief traffic engineer, who had developed the first traffic signals in the city, also had plans for the river. Harriss wanted to dam

1144-551: A nontidal, freshwater lake to a tidal, saline arm of the sea. Numerous rivers empty into the Sound, including: Connecticut New York Rhode Island The whole watershed population is about 8.93 million as of the 2010 census. Due to extent of the Connecticut River, many riverside cities and towns are included in the Long Island Sound watershed. The largest towns and cities from south to north, west to east are: Seaweeds in

1287-569: A recessional moraine . Other islands, including the Thimble Islands , are for the most part exposed bedrock with a thin amount of drift, often not continuous. Other shoals and islands off the Connecticut coast are a mixture of these two extremes. The glacier also created several sandy outwash deltas off the coast, including one off Bridgeport, Connecticut , and another off New Haven, Connecticut . Fishers Island, New York , appears to be related to

1430-476: A river in New York is a stub . You can help Misplaced Pages by expanding it . East River The East River is a saltwater tidal estuary or strait in New York City . The waterway, which is not a river despite its name, connects Upper New York Bay on its south end to Long Island Sound on its north end. It separates Long Island , with the boroughs of Brooklyn and Queens , from Manhattan Island, and from

1573-404: A type of goose. During the 1930s, the Long Island Sound was struck by an outbreak of a mold infection known as " eelgrass wasting disease ". As a result, most of the eelgrass that grew in the sound was killed off, and as an extension, populations of wildlife in the area that depended upon the eelgrass either as food or as a habitat went into a sharp decline. During the succeeding decades, areas along

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1716-400: Is a right bank tributary of Westchester Creek and is surrounded by a park of the same name. The creek formerly extended north to Westchester Avenue , but was later truncated to Bruckner Expressway and then to its current terminus at Lacombe Avenue. Most of the former creekbed has been developed, though a single block of Bolton Avenue on the creek's path remains undeveloped. Ferry Point Park

1859-506: Is a shift in the types of plankton that make up their community in Long Island Sound. Over the last several decades, excess nitrogen may have adversely affected diatoms —microscopic, single-celled algae at the base of the food chain, which make shells ('frustules') of opaline silica. When diatoms are less productive, they are replaced by other phytoplankton such as dinoflagellates or blue-green algae , which grow well in waters with high nitrogen levels, but do not need silica . Such changes in

2002-470: Is dependent upon sunlight, and the water of the Long island Sound can be very murky. Eelgrass roots help stabilize muddy sediments and can trap moving sand, helping prevent erosion. The leaves, that can range in size from less than 1 m to 2 m long, slow currents, providing calm environments for many species of mollusks and other invertebrates. Eelgrass is also an important food source for waterfowl, especially brant ,

2145-530: Is dominated by residential neighborhoods consisting of large apartment buildings and parkland (much of which is dotted with the ruins of older structures). The largest land mass in the River south of Roosevelt Island is U Thant Island , an artificial islet created during the construction of the Steinway Tunnel (which currently serves the subway's 7 and <7> lines) . Officially named Belmont Island after one of

2288-537: Is inhabited by both marine fish and anadromous fish (oceanic or estuarine species that spawn in freshwater streams and rivers, see fish migration ). The most common marine fish in the Sound include porgy , butterfish, winter flounder , summer flounder , windowpane flounder , fourspot flounder , northern and striped sea robin , little skate , menhaden, Atlantic silversides, black seabass , blackfish (tautog), cunner , bluefish , and smooth dogfish . Frequently Atlantic bonito and false albacore , both members of

2431-500: Is on the east bank. The first permanent European settlement in the Bronx, Westchester Square , was established in 1654 by Thomas Pell and 15-20 settlers at the head of navigation of Westchester Creek. The creek's original headwaters was buried in the 1930s to make way for the construction of the Hutchinson River Parkway . A 30-slip marina called Metro Marine was built on the creek in 1957. The creek has become polluted over

2574-400: Is one of the few vascular plants found in the marine environment. Despite its name, it is actually not a species of underwater grass; instead, it is a plant that bears a physical resemblance to grass. It can tolerate a wide range of water salinity. It grows on muddy to sandy sediments (even among rocks), mostly below low tide, often forming large meadows. it grows best in shallow water because it

2717-460: Is without consideration of the tidal influence of the Harlem River, all of which creates a "dangerous cataract", as one ship's captain put it. The river is navigable for its entire length of 16 miles (26 km). In 1939 it was reported that the stretch from The Battery to the former Brooklyn Navy Yard near Wallabout Bay , a run of about 1,000 yards (910 m), was 40 feet (12 m) deep,

2860-788: The American toad , and the hognose snake (which feeds on Fowler's toads). There are six broad categories of bird habitats near Long Island Sound: (1) open water areas, including bays, coves, rivers and the Sound itself; (2) tidal marshes; (3) mudflats; (4) sandy beaches; (5) offshore islands; and (6) mainland uplands, including woodlands and fields. Some birds are summer residents or winter residents, while others are spring and fall transients. Year round residents include herring gull , great black-backed gull , common tern and double-crested cormorant . Coastal migrants (also called "transients") include shorebirds such as plovers , turnstones , sandpipers , willet and yellowlegs . Summer residents include

3003-535: The Army Corps of Engineers to continue Maillefert's work. In 1851, the U.S. Army Corps of Engineers , "under Lt. Bartlett of the Army Corps of Engineers," began to do the job, in an operation which was to span 70 years. The appropriated money was soon spent without appreciable change in the hazards of navigating the strait. An advisory council recommended in 1856 that the strait be cleared of all obstacles, but nothing

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3146-533: The Atlantic oyster drill , the northern moon snail , Atlantic moon snail , the channeled and knobbed whelks . Crustaceans include crabs , shrimp and lobsters . In the Sound there are the green crab (a non-native species first reported in Boston around 1900, but a common crab found on the shore, where it feeds on eastern oysters and soft-shell clams ), blue crab , red crab , Jonah crab in deepwater areas, and

3289-540: The Atlantic rock crab , which settles in large numbers along rocky shores, especially around Millstone Point, Niantic Bay and Fishers Island Sound. Other crabs found include the lady crab , spider crabs , and fiddler crabs ; hermit crabs and mole crabs are also found. By the late 1980s, the Japanese shore crab , an invasive species, was the most commonly found crab in the sound. The sand shrimp Crangon septemspinosa and two species of grass shrimp are plentiful along

3432-520: The Bronx in New York City . The climate of Long Island Sound is warm temperate or Cfa in the Köppen climate classification . Summers are hot and humid often with convective showers and strong sunshine, while the cooler months feature cold temperatures and a mix of rain and occasional snow. About 18,000 years ago, Connecticut, Long Island Sound, and much of Long Island were covered by a thick sheet of ice, part of

3575-472: The Cross Sound Ferry (between Orient Point and New London ). The ferries that cross Long Island Sound carry automobiles, trucks and buses, as well as foot passengers. Long Island Sound has historically had rich recreational and commercial fishing , including oysters , lobsters , scallops , blue crabs , tuna flounder , striped bass , and bluefish . However, in recent years the western part of

3718-509: The Dutch name Hellegat meaning either "bright strait" or "clear opening", given to the entire river in 1614 by explorer Adriaen Block when he passed through it in his ship Tyger – is a narrow, turbulent, and particularly treacherous stretch of the river. Tides from the Long Island Sound, New York Harbor and the Harlem River meet there, making it difficult to navigate, especially because of

3861-529: The Harbor Hill Moraine along most of northern Long Island . The next moraines ( recessional moraines ) to the north were created just on and off the Connecticut coast. These moraines, created by much smaller deposits (probably from equilibrium states that were much shorter in time) are discontinuous and much smaller than those to the south. The Connecticut coast moraines are in two groups: the Norwalk area and

4004-517: The Lower East Side . The captain of the ship and the managers of the company that owned it were indicted, but only the captain was convicted; he spent 3 + 1 ⁄ 2 years of his 10-year sentence at Sing Sing Prison before being released by a federal parole board, and then pardoned by President William Howard Taft . Beginning in 1934, and then again from 1948 to 1966, the Manhattan shore of

4147-577: The Madison - Old Saybrook area. Sandy plains and beaches resulted from the erosion of moraines and redeposition in these areas, and to the east of each, where the drift cover is thinnest, exposed bedrock , creating rocky headlands, often with marshlands behind them. The Captain Islands off Greenwich, Connecticut , along with the Norwalk Islands and Falkner Island off Guilford, Connecticut , are parts of

4290-652: The New York City Subway system – as does the Brooklyn-Battery Tunnel and the Queens-Midtown Tunnel . (See Crossings below for details.) Also under the river is Water Tunnel #1 of the New York City water supply system , built in 1917 to extend the Manhattan portion of the tunnel to Brooklyn, and via City Tunnel #2 (1936) to Queens; these boroughs became part of New York City after the city's consolidation in 1898. City Tunnel #3 will also run under

4433-1015: The Throgs Neck Bridge in the early 1960s. The Long Island Sound ecosystem has historically been polluted by a number of different sources, including industry , agriculture and communities (untreated sewage and urban runoff ). Pollutants entering the Sound include toxic substances such as heavy metals ; a specific example includes mercury discharged by the hatting industry in Danbury, Connecticut . Other pollutants include pathogens , debris, and nutrients (which contain nitrogen and phosphorus from fertilizer runoff). Eutrophication occurs when bodies of water, like Long Island Sound, are exposed to higher levels of nutrients like nitrogen, causing harmful overgrowth of cyanobacteria that feed on them. Eutrophication can also lead to algal blooms and eventually hypoxia , when runoff into water causes rapid development of algae and phytoplankton that blocks

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4576-399: The northern yellow periwinkle , the blue mussel (a popular, edible species), the eastern oyster , the Atlantic slipper shell or "common slippershell" ( Crepidula fornicata ), the hard clam (also known as the quahog, little neck clam or cherrystone clam), the Atlantic bay scallop , the mud snail (also known as the eastern mud nassa ), the salt marsh snail (or " coffee bean snail "),

4719-420: The osprey , seaside sparrow , saltmarsh sparrow , clapper rail , mallard and black duck , herons and egrets , including the black-crowned night heron and snowy egret as well as the least tern and piping plover . Upland species include the yellow warbler , red-eyed vireo , red-winged blackbird and Carolina wren . Winter residents include large flocks of ducks , geese , and swans winter in

4862-399: The pannes are sea lavender , salt marsh aster , seaside gerardia , and some species of glasswort . Plants found near the border of the marsh with the upland include bayberry and groundsel-tree shrubs, switchgrass (growing where occasional storm tides reach), reeds and marsh elder . In areas where the Sound's salt water is more diluted with freshwater from rivers, including along

5005-513: The American East Coast. The Department of Docks was given the task of creating the master plan for the waterfront, and General George B. McClellan was engaged to head the project. McClellan held public hearings and invited plans to be submitted, ultimately receiving 70 of them, although in the end he and his successors put his own plan into effect. That plan called for the building of a seawall around Manhattan island from West 61st Street on

5148-534: The Americans at the Battle of Long Island , General George Washington was rounding up all the boats on the east shore of the river, in what is now Brooklyn, and used them to successfully move his troops across the river – under cover of night, rain, and fog – to Manhattan island, before the British could press their advantage. Thus, though the battle was a victory for the British, the failure of Sir William Howe to destroy

5291-474: The Atlantic Coast, tagged individuals sometime being identified in multiple rivers during their lifetimes. Long Island Sound was formed when the terminal moraine that dammed the waters of glacial Lake Connecticut failed, and sea water mixed with the lake's fresh waters. Prior to colonization, it's estimated that around 10,000 to 15,000 natives inhabited along Long Island Sound. The first European to record

5434-554: The Blasting of Hell Gate traces Newton's work on this project from 1866 to 1885. On September 24, 1876, the Corps used 50,000 pounds (23,000 kg) of explosives to blast the rocks, which was followed by further blasting. The process was started by excavating under Hallets reef from Astoria . Cornish miners, assisted by steam drills, dug galleries under the reef, which were then interconnected. They later drilled holes for explosives. A patent

5577-521: The Bronx on the North American mainland. Because of its connection to Long Island Sound, it was once also known as the Sound River . The tidal strait changes its direction of flow regularly, and is subject to strong fluctuations in its current, which are accentuated by its narrowness and variety of depths. The waterway is navigable for its entire length of 16 miles (26 km), and was historically

5720-561: The Bronx, and Sunswick Creek in Queens. Prior to the arrival of Europeans, the land north of the East River was occupied by the Siwanoys , one of many groups of Algonquin -speaking Lenapes in the area. Those of the Lenapes who lived in the northern part of Manhattan Island in a campsite known as Konaande Kongh used a landing at around the current location of East 119th street to paddle into

5863-743: The Brooklyn, Manhattan, Williamsburg and Queensboro Bridges, and the Ward's Island Footbridge, and terminates just before the Robert F. Kennedy Triboro Bridge when it connects to the Harlem River Drive . Between most of the FDR Drive and the River is the East River Greenway , part of the Manhattan Waterfront Greenway . The East River Greenway was primarily built in connection with the building of

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6006-488: The Connecticut coast saw a slow gradual recovery of eelgrass populations. Unfortunately, the north shore of Long Island did not see much success, and efforts have been made to re-introduce eelgrass by planting it, especially in the eastern part of the Long Island Sound in the waters of Suffolk County. It is unlikely that the Long Island Sound will experience a complete recovery of its eelgrass population because there are still occasional outbreaks of eelgrass wasting disease within

6149-424: The Connecticut shore is the northern limit. Mature upland vegetation along the Connecticut coast is mostly hardwood forest, with dominant tree species including oaks and hickories, especially white oak , black oak , pignut hickory and mockernut hickory . Other trees include sassafras , black gum , and black cherry . Mature trees tend to be sparse in coastal forests, likely because of their greater exposure to

6292-607: The Continental Army when he had the opportunity allowed the Americans to continue fighting. Without the stealthy withdrawal across the East River, the American Revolution might have ended much earlier. Wallabout Bay on the River was the site of most of the British prison ships – most notoriously HMS  Jersey – where thousands of American prisoners of war were held in terrible conditions. These prisoners had come into

6435-481: The East River Ferry as part of the system. In February 2012 the federal government announced an agreement with Verdant Power to install 30 tidal turbines in the channel of the East River. The turbines were projected to begin operations in 2015 and are supposed to produce 1.05 megawatts of power. The strength of the current foiled an earlier effort in 2007 to tap the river for tidal power . On May 7, 2017,

6578-576: The East River at Hell Gate and the Williamsburg Bridge, then remove the water, put a roof over it on stilts, and build boulevards and pedestrian lanes on the roof along with "majestic structures", with transportation services below. The East River's course would, once again, be shifted to run through Queens, and this time Brooklyn as well, to channel it to the Harbor. Periodically, merchants and other interested parties would try to get something done about

6721-457: The East River near 65th Street. Although the museum denied that any fossils had been dumped into the river, Reeves's allegations prompted commercial divers to search the river for evidence of mammoth bones. Throughout most of the history of New York City, and New Amsterdam before it, the East River has been the receptacle for the city's garbage and sewage. " Night men " who collected " night soil " from outdoor privies would dump their loads into

6864-401: The East River was authorized to be filled-in, this time to a point 400 feet beyond the low-water mark; the parts that had already been expanded to the low water mark – much of which had been devastated by a coastal storm in the early 1720s and a nor'easter in 1723 – were also expanded, narrowing the channel even further. What had been quiet beach land was to become new streets and buildings, and

7007-703: The East River wharves and slips to begin a long process of decay, until the area was finally rehabilitated in the mid-1960s, and the South Street Seaport Museum was opened in 1967. By 1870, the condition of the Port of New York along both the East and Hudson Rivers had so deteriorated that the New York State legislature created the Department of Docks to renovate the port and keep New York competitive with other ports on

7150-452: The East River's tides helped to power mills which ground grain to flour. By 1642 there was a ferry running on the river between Manhattan island and what is now Brooklyn, and the first pier on the river was built in 1647 at Pearl and Broad Streets. After the British took over the colony in 1664, which was renamed "New York", the development of the waterfront continued, and a shipbuilding industry grew up once New York started exporting flour. By

7293-403: The East River, almost beyond repair. Because of these changes to the ecosystem, by 1909, the level of dissolved-oxygen in the lower part of the river had declined to less than 65%, where 55% of saturation is the point at which the amount of fish and the number of their species begins to be affected. Only 17 years later, by 1926, the level of dissolved oxygen in the river had fallen to 13%, below

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7436-547: The FDR Drive, although some portions were built as recently as 2002, and other sections are still incomplete. In 1963, Con Edison built the Ravenswood Generating Station on the Long Island City shore of the river, on land some of which was once stone quarries which provided granite and marble slabs for Manhattan's buildings. The plant has since been owned by KeySpan . National Grid and TransCanada ,

7579-582: The Harbor Hill Moraine. To the east of the Thimble Islands, inland moraines along the Connecticut coast include the broken Madison Moraine and the Old Saybrook Moraine. The Long Island Sound basin existed before the glaciers came. It probably had been formed by stream flows. A relatively thick cover of sand and gravel (termed outwash ) was left in the basin from glacial meltwater streams. On

7722-516: The Hudson, around The Battery , and up to East 51st Street on the East River. The area behind the masonry wall (mostly concrete but in some parts granite blocks) would be filled in with landfill, and wide streets would be laid down on the new land. In this way, a new edge for the island (or at least the part of it used as a commercial port) would be created. The department had surveyed 13,700 feet (4,200 m) of shoreline by 1878, as well as documenting

7865-508: The Late Wisconsin Glacier . About 3,300 feet (1,000 m) thick in its interior and about 1,300 to 1,600 feet (400 to 500 m) thick along its southern edge, it was the most recent of a series of glaciations that covered the area during the past 10 million years. Sea level at that time was about 330 feet (100 m) lower than today. The continental ice sheet scraped off an average of 65 feet (20 m) of surface material from

8008-567: The Long Island Sound Study (LISS) in 1985 with plans for restoration and clean-up projects in the region. More habitat conservation, health monitoring, and pollution standards have been established between NY and CT in the years since to protect the estuary for future generations. Ferries provide service between Long Island and Connecticut, notably the Bridgeport & Port Jefferson Ferry (between Port Jefferson and Bridgeport ), and

8151-611: The New England landscape, then deposited the material (known as drift ) from the Connecticut coast into the Sound, creating what is now Long Island (the terminal moraine ). When the ice sheet stopped advancing 18,000 years ago (as addition of snow at the origin was in equilibrium with the melting at the southern edge), a large amount of drift was deposited, known as the Ronkonkoma Moraine, which stretches along much of southern Long Island. Later, another period of equilibrium resulted in

8294-474: The New York City Subway, cost $ 4 per one-way ticket. It was instantly popular: from June to November 2011, the ferry saw 350,000 riders, over 250% of the initial ridership forecast of 134,000 riders. In December 2016, in preparation for the start of NYC Ferry service the next year, Hornblower Cruises purchased the rights to operate the East River Ferry. NYC Ferry started service on May 1, 2017, with

8437-653: The River's principal islands include Manhattan's Mill Rock , an 8.6-acre (3.5 ha) island located about 1000 feet from Manhattan's East 96th Street; Manhattan's 520-acre Randalls and Wards Islands , two formerly separate islands joined by landfill that are home to a large public park, a number of public institutions, and the supports for the Triborough and the Hell Gate Bridges ; the Bronx's Rikers Island , once under 100 acres (0.40 km ) but now over 400 acres (1.6 km ) following extensive landfill expansion after

8580-424: The Sound in the twentieth century were the 1938 hurricane, the 1955 hurricane, Hurricane Belle in 1976, Hurricane Gloria in 1985, Hurricane Irene in 2011, and Hurricane Sandy in 2012. After Hurricane Belle, leaves near the coast were badly salt-burned, then turned brown and shriveled. Many trees were downed by the storm, leaving openings in the forest cover, promoting the growth of vines and shrubs. The Sound

8723-644: The Sound include the eastern spadefoot , a rare, toadlike amphibian that hasn't been recorded in the area since 1935. Its overall coloring is beige or off-white with a pattern of green markings. Small orange dots punctuate this pattern. As many as 1,500 shortnose sturgeon , listed as 'endangered' by the Endangered Species Act, inhabit the Connecticut River. Approximately 900 of those live downstream of Holyoke Dam. While shortnose sturgeon primarily remain in their natal rivers, they will feed in estuarine waters like Long Island Sound and make extended trips along

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8866-752: The Sound occur in greatest abundance in rocky areas between high tide and low tide as well as on rocks on the sea floor. Green seaweed populations fluctuate with the seasons. Monostroma , reproduces in the early spring and dies out by late summer. Grinnellia appears in August and disappears four to six weeks later. In the rocky areas of the intertidal zone there are the seaweeds characterized by their brown tone, Fucus and Ascophyllum , some species of which have air bladders that allow them to float and receive direct sunlight even at high tide. Also present are Ectocarpus and red algas Polysiphonia , Neosiphonia , Porphyra and Chondrus ( Irish moss ). In

9009-449: The Sound, e.g. blue shark, mako shark, hammerhead shark and thresher shark, there are only four species of sharks which are regularly found in the area. These are the sand tiger shark , the sandbar shark , the spiny dogfish and the smooth dogfish . Mollusks ( gastropods and bivalves ) that can be found include the rough periwinkle near the high-tide line, the European periwinkle ,

9152-633: The Sound. Few undisturbed beach and dune systems exist on the Connecticut shore, the ones that do are located along the eastern portion of the coastline (east of the Connecticut River). Sea rocket and dune grass occur here, but not in abundance. Dune grass and plants that thrive on dunes are largely responsible for the creation and growth of the dunes. On the seaward side of dunes can be found Lathyrus japonicus (beach pea), Dusty Miller , and seaside goldenrod . Other beach plants are orache , beach clotbur , seaside spurge , and jimson weed . On

9295-713: The Sound. In West Haven, Connecticut 8,000 scaup (also called broadbills or bluebills) were regularly counted in the 1970s. Greater scaup , black ducks , mallards , and Canada geese are among the most abundant wintering birds. There are also significant populations of red-breasted mergansers , common goldeneyes , buffleheads , white-winged scoter , American wigeon (also sometimes called baldpate), long-tailed ducks and mute swans . Others (less abundant) include gadwalls , northern pintails , green-winged teal , northern shovelers (also sometimes called broadbill), ruddy ducks , redheads , ring-necked ducks , snow geese , and brant . Rare, endangered and extinct species of

9438-576: The Triborough), and the Hell Gate Bridge . On the south side of Wards Island, it is joined by the Harlem River . Newtown Creek on Long Island, which itself contained several tributaries, drains into the East River and forms part of the boundary between Queens and Brooklyn. Bushwick Inlet and Wallabout Bay on Long Island also drain into the strait on the Long Island side. The Gowanus Canal

9581-544: The area which ended in 1851 with a detailed and accurate map. By then Maillefert had cleared the rock "Baldheaded Billy", and it was reported that Pot Rock had been reduced to 20.5 feet (6.2 m), which encouraged the United States Congress to appropriate $ 20,000 for further clearing of the strait. However, a more accurate survey showed that the depth of Pot Rock was actually a little more than 18 feet (5.5 m), and eventually Congress withdrew its funding. With

9724-756: The area. Specifically 25–35% of the tidal wetlands in the Sound have been dredged, filled, and developed over and hypoxia and eutrophication resulting from pollution have led to low dissolved oxygen levels (less than 4.8 mg of oxygen per liter) in the water. The low dissolved oxygen levels limit the fishes' ability to swim, feed, grow and reproduce and loss of habitat prevents success in fish larval growth. The impacts listed here are directly associated with these specific species in Long Island Sound: killifishes, silversides, bay anchovy, eels, menhaden, cunner, tautog, sticklebacks, winter flounder, weakfish, bluefish, tomcod and striped bass. An example of impacts from nitrogen

9867-466: The battles in the war: as many as 12,000 soldiers, sailors and civilians. The bodies were thrown overboard or were buried in shallow graves on the riverbanks, but their bones – some of which were collected when they washed ashore – were later relocated and are now inside the Prison Ship Martyrs' Monument in nearby Fort Greene Park . The existence of the ships and the conditions the men were held in

10010-467: The burgeoning sea trade. Many of the "water-lot" grants went to the rich and powerful families of the merchant class, although some went to tradesmen. By 1700, the Manhattan bank of the river had been "wharfed-out" up to around Whitehall Street , narrowing the strait of the river. After the signing of the Montgomerie Charter in the late 1720s, another 127 acres of land along the Manhattan shore of

10153-542: The catastrophic failure of a Con Edison substation in Brooklyn caused a spill into the river of over 5,000 US gallons (18,927 L; 4,163 imp gal) of dielectric fluid , a synthetic mineral oil used to cool electrical equipment and prevent electrical discharges. (See below .) At the end of 2022, gold miner John Reeves claimed that up to 50 tons of ice age artifacts bound for the American Museum of Natural History , including mammoth remains, had been dumped into

10296-491: The center of maritime activities in the city. Technically a drowned valley , like the other waterways around New York City, the strait was formed approximately 11,000 years ago at the end of the Wisconsin glaciation . The distinct change in the shape of the strait between the lower and upper portions is evidence of this glacial activity. The upper portion (from Long Island Sound to Hell Gate), running largely perpendicular to

10439-431: The channel from Brooklyn Bridge Park to Manhattan. Long Island Sound Major Connecticut cities on the Sound include Stamford , Norwalk , Bridgeport , New Haven , and New London . Cities on the New York side of the Sound include Rye , Glen Cove , New Rochelle , North Hempstead , Oyster Bay , Smithtown , Port Jefferson , Brookhaven and Riverhead , Larchmont , Mamaroneck and portions of Queens and

10582-432: The channel was by 1776 three fathoms deep (18 feet (5.5 m)), five fathoms deep (30 feet (9.1 m)) in the same spot by 1798, and when surveyed by Williams in 1807 had deepened to 7 fathoms (42 feet (13 m)) at low tide. What had been almost a bridge between two landforms that were once connected had become a fully navigable channel, thanks to the constriction of the East River and the increased flow it caused. Soon,

10725-475: The city, state and federal governments – would have filled in the river from 14th Street to 125th Street. The New East River through Queens would be about three times the average width of the existing one at an even 3,600 feet (1,100 m) throughout, and would run as straight as an arrow for five miles (8.0 km). The new land, and the portions of Queens which would become part of Manhattan, adding 2,500 acres (1,000 ha), would be covered with an extension of

10868-447: The coastal area (and elsewhere), including the diamondback terrapin in salt marshes and brackish waters (and deposits and hatches its eggs on nearby sandy beaches). Terrapin meat became such a popular delicacy in the early 1900s that the price for a dozen adult females reached as high as US$ 120. Overhunting made the species uncommon and even rare through most of the Sound and eliminated at some places. After its popularity as food declined,

11011-474: The core of the city's sea-borne trade. This infilling went as far north as Corlear's Hook . In addition, the city was given control of the western shore of the river from Wallabout Bay south. Expansion of the waterfront halted during the American Revolution , in which the East River played an important role early in the conflict. On August 28, 1776, while British and Hessian troops rested after besting

11154-399: The current in the East River had become so strong that larger ships had to use auxiliary steam power in order to turn. The continued narrowing of the channel on both side may have been the reasoning behind the suggestion of one New York State Senator, who wanted to fill in the East River and annex Brooklyn, with the cost of doing so being covered by selling the newly made land. Others proposed

11297-508: The current sounded "like a bull bellowing for more drink" at half tide, while at full tide it slept "as soundly as an alderman after dinner". He said it was like "a peaceable fellow enough when he has no liquor at all, or when he has a skinful, but who, when half-seas over, plays the very devil." The tidal regime is complex, with the two major tides – from the Long Island Sound and from the Atlantic Ocean – separated by about two hours; and this

11440-414: The currents and tides. By 1900, 75 miles (121 km) had been surveyed and core samples had been taken to inform the builders of how deep the bedrock was. The work was completed just as World War I began, allowing the Port of New York to be a major point of embarkation for troops and materiel. The new seawall helps protect Manhattan island from storm surges, although it is only 5 feet (1.5 m) above

11583-495: The difficulty of navigating through Hell Gate. In 1832, the New York State legislature was presented with a petition for a canal to be built through nearby Hallet's Point, thus avoiding Hell Gate altogether. Instead, the legislature responded by providing ships with pilots trained to navigate the shoals for the next 15 years. In 1849, a French engineer whose specialty was underwater blasting, Benjamin Maillefert , had cleared some of

11726-774: The economic and population growth the Industrial Revolution created led to increased pollution. Around the 1950s and 60s, the US Government began to recognize more of the environmental impacts pollution was having on water quality, as well as human health around regions like Long Island Sound. After the Clean Water Act was passed federally in 1972 to protect water quality around the US, the Environmental Protection Agency partnered with Connecticut and New York to pass

11869-531: The end of the 17th century, the Great Dock, located at Corlear's Hook on the East River, had been built. Historically, the lower portion of the strait, which separates Manhattan from Brooklyn, was one of the busiest and most important channels in the world, particularly during the first three centuries of New York City's history. Because the water along the lower Manhattan shoreline was too shallow for large boats to tie up and unload their goods, from 1686 on – after

12012-414: The end of the piers. The "landfill" which created new land along the shoreline when the river was "wharfed out" by the sale of "water lots" was largely garbage such as bones, offal, and even whole dead animals, along with excrement – human and animal. The result was that by the 1850s, if not before, the East River, like the other waterways around the city, was undergoing the process of eutrophication where

12155-616: The existence of Long Island Sound was the Dutch navigator Adriaen Block , who entered the sound from the East River in 1614. The sound was known as The Devil's Belt in colonial times and the reefs that run across the sound were known as Devil's Stepping Stones, from which Stepping Stones Lighthouse got its name. As the Industrial Revolution grew, Long Island Sound began to be utilized more for manufacturing and production uses that are still observed to this day, like textiles, metal finishing, fishing, and oyster harvesting. Yet,

12298-507: The existing street grid of Manhattan. Variations on Serrell's plan would be floated over the years. A pseudonymous "Terra Firma" brought up filling in the East River again in the Evening Post and Scientific American in 1904, and Thomas Alva Edison took it up in 1906. Then Thomas Kennard Thompson, a bridge and railway engineer, proposed in 1913 to fill in the river from Hell Gate to the tip of Manhattan and, as Serrell had suggested, make

12441-410: The fields of medicine and biological science. North of it is one of the major medical centers in the city, NewYork Presbyterian / Weill Cornell Medical Center , which is associated with the medical schools of both Columbia University and Cornell University . Although it can trace its history back to 1771, the center on York Avenue, much of which overlooks the river, was built in 1932. The East River

12584-435: The glacial motion, is wide, meandering, and has deep narrow bays on both banks, scoured out by the glacier's movement. The lower portion (from Hell Gate to New York Bay ) runs north–south, parallel to the glacial motion. It is much narrower, with straight banks. The bays that exist, as well as those that used to exist before being filled in by human activity, are largely wide and shallow. The section known as "Hell Gate" – from

12727-572: The hands of the British after the fall of New York City on September 15, 1776, after the American loss at the Battle of Long Island and the loss of Fort Washington on November 16. Prisoners began to be housed on the broken-down warships and transports in December; about 24 ships were used in total, but generally only 5 or 6 at a time. Almost twice as many Americans died from neglect in these ships than did from all

12870-441: The harbor was not created. In the 1850s the depth continued to lessen – the harbor commission said in 1850 that the mean water low was 24 feet (7.3 m) and the extreme water low was 23 feet (7.0 m) – while the draft required by the new ships continued to increase, meaning it was only safe for them to enter the harbor at high tide. The U.S. Congress, realizing that the problem needed to be addressed, appropriated $ 20,000 for

13013-414: The increase in nitrogen from excrement and other sources led to a decrease in free oxygen , which in turn led to an increase in phytoplankton such as algae and a decrease in other life forms, breaking the area's established food chain. The East River became very polluted, and its animal life decreased drastically. In an earlier time, one person had described the transparency of the water: "I remember

13156-608: The island on its north end is due to an extension of the 125th Street Fault . Politically, the island's 147 acres (0.59 km ) constitute part of the borough of Manhattan. It is connected to Queens by the Roosevelt Island Bridge , to Manhattan by the Roosevelt Island Tramway , and to both boroughs by a subway station served by the F train . The Queensboro Bridge also runs across Roosevelt Island, and an elevator allowing both pedestrian and vehicular access to

13299-488: The island was added to the bridge in 1930, but elevator service was discontinued in 1955 following the opening of the Roosevelt Island Bridge, and the elevator was demolished in 1970. The island, which was formerly known as Blackwell's Island and Welfare Island before being renamed in honor of US President Franklin D. Roosevelt , historically served as the site of a penitentiary and a number of hospitals; today, it

13442-452: The island's 1884 purchase by the city as a prison farm and still home to New York City's massive and controversial primary jail complex; and North and South Brother Islands , both of which also constitute part of the Bronx. The Bronx River , Pugsley Creek , and Westchester Creek drain into the northern bank of the East River in the northern section of the strait. The Flushing River , historically known as Flushing Creek, empties into

13585-435: The long section from there, running to the west of Roosevelt Island, through Hell Gate and to Throg's Neck was at least 35 feet (11 m) deep, and then eastward from there the river was, at mean low tide, 168 feet (51 m) deep. The broadness of the river's channel south of Roosevelt Island is caused by the dipping of the hardy Fordham gneiss underlying the island under the less strong Inwood marble which lies under

13728-454: The low water mark into the river, and with the advent of gridded streets along the new waterline – Joseph Mangin had laid out such a grid in 1803 in his A Plan and Regulation of the City of New York , which was rejected by the city, but established the concept – the coastline become regularized at the same time that the strait became even narrower. One result of the narrowing of the East River along

13871-413: The main shipping channels through The Narrows into the harbor silting up with sand due to littoral drift , thus providing ships with less depth, and a new generation of larger ships coming online – epitomized by Isambard Kingdom Brunel 's SS Great Eastern , popularly known as "Leviathan" – New York began to be concerned that it would start to lose its status as a great port if a "back door" entrance into

14014-522: The marine sciences section of the DEP, the channel is swift, with water moving as fast as four knots, just as it does in the Hudson River on the other side of Manhattan. That speed can push casual swimmers out to sea. A few people drown in the waters around New York City each year. As of 2013 , it was reported that the level of bacteria in the river was below federal guidelines for swimming on most days, although

14157-753: The marshy areas of the intertidal zone can be found Cladophora ( mermaid's hair ), Ulva ( sea lettuce ) and Codium . In the subtidal zone (below low tide) are Palmaria palmata a red alga, along with two algae, Laminaria ( kelp ) and Chorda . Kelp can often be found washed up on the beach, and individual specimens are not uncommonly a yard or two long. Deeper in the subtidal zone are red algae such as Spermothamnion , Antithamnion and Callithamnion , which also often float freely. In tidal pools can be found red or pink colored Phymatolithon , which can often encrust rocks and mollusk shells. Also present are green algae, including Ulothrix , Cladophora , and Ulva . Tidal marshes are some of

14300-547: The mean sea level, so that particularly dangerous storms, such as the nor'easter of 1992 and Hurricane Sandy in 2012, which hit the city in a way to create surges which are much higher, can still do significant damage. (The Hurricane of September 3, 1821, created the biggest storm surge on record in New York City: a rise of 13 feet (4.0 m) in one hour at the Battery, flooding all of lower Manhattan up to Canal Street .) Still,

14443-426: The menhaden population collapsed. Menhaden feed on phytoplankton, helping to keep them in check, and are also a vital step in the food chain, as bluefish , striped bass and other fish species which do not eat phytoplankton feed on the menhaden. The oyster is another filter feeder: oysters purify 10 to 100 gallons a day, while each menhaden filters four gallons in a minute, and their schools were immense: one report had

14586-409: The more protected landward side of dunes are beach plum , bayberry and beach rose . Rare species found on the landward side are beach knotweed and sand false heather . In areas next to the shoreline but hardly ever salty, the sound's environment can nevertheless be a crucial factor in the presence of certain species. Areas near the Connecticut shore are the northern limit for some species needing

14729-429: The most productive biological systems in the world. Along the sound, they produce three to seven tons per acre per year of vegetation, largely in the form of salt marsh grasses. Much of this, enriched by decomposition, is flushed yearly into the estuary water where it directly contributes to the great finfish and shellfish production of the sound. Salt water cordgrass ( Spartina alterniflora ) grows along ditches and on

14872-454: The new seawall begun in 1871 gave the island a firmer edge, improved the quality of the port, and continues to protect Manhattan from normal storm surges. The Brooklyn Bridge , completed in 1883, was the first bridge to span the East River, connecting the cities of New York and Brooklyn , and all but replacing the frequent ferry service between them, which did not return until the late 20th century. The bridge offered cable car service across

15015-472: The northern shipping entrance to the city were now open, modern dredging techniques had cut through the sandbars of the Atlantic Ocean entrance, allowing new, even larger ships to use that traditional passage into New York's docks. At the beginning of the 19th century, the East River was the center of New York's shipping industry, but by the end of the century, much of it had moved to the Hudson River, leaving

15158-483: The number of rocky islets which once dotted it, with names such as "Frying Pan", "Pot, Bread and Cheese", "Hen and Chicken", "Heel Top"; "Flood"; and "Gridiron", roughly 12 islets and reefs in all, all of which led to a number of shipwrecks, including HMS Hussar , a British frigate that sank in 1780 while supposedly carrying gold and silver intended to pay British troops. The stretch has since been cleared of rocks and widened. Washington Irving wrote of Hell Gate that

15301-521: The point at which most fish species can survive. Due to heavy pollution , the East River is dangerous to people who fall in or attempt to swim in it, although as of mid-2007 the water was cleaner than it had been in decades. As of 2010 , the New York City Department of Environmental Protection (DEP) categorizes the East River as Use Classification I, meaning it is safe for secondary contact activities such as boating and fishing. According to

15444-467: The readings may vary significantly, so that the outflow from Newtown Creek or the Gowanus Canal can be tens or hundreds of times higher than recommended, according to Riverkeeper , a non-profit environmentalist advocacy group. The counts are also higher along the shores of the strait than they are in the middle of its flow. Nevertheless, the "Brooklyn Bridge Swim" is an annual event where swimmers cross

15587-573: The result of deregulation of the electrical power industry. The station, which can generate about 20% of the electrical needs of New York City – approximately 2,500 megawatts – receives some of its fuel by oil barge. North of the power plant can be found Socrates Sculpture Park , an illegal dumpsite and abandoned landfill that in 1986 was turned into an outdoor museum, exhibition space for artists, and public park by sculptor Mark di Suvero and local activists. The area also contains Rainey Park, which honors Thomas C. Rainey, who attempted for 40 years to get

15730-687: The river became the location for the limited-access East River Drive , which was later renamed after Franklin Delano Roosevelt , and is universally known by New Yorkers as the "FDR Drive". The road is sometimes at grade, sometimes runs under locations such as the site of the Headquarters of the United Nations and Carl Schurz Park and Gracie Mansion – the mayor's official residence, and is at time double-decked, because Hell Gate provides no room for more landfill. It begins at Battery Park , runs past

15873-402: The river bed. Why the river turns to the east as it approaches the three lower Manhattan bridges is geologically unknown. Roosevelt Island , a long (2-mile (3.2 km)) and narrow (800 feet (240 m)) landmass, lies in the stretch of the river between Manhattan Island and the borough of Queens , roughly from the latitude of Manhattan's East 46th to 86th Streets. The abrupt termination of

16016-524: The river in canoes fashioned from tree trunks in order to fish. Dutch settlement of what became New Amsterdam began in 1623. Some of the earliest of the small settlements in the area were along the west bank of the East River on sites that had previously been Native American settlements. As with the Native Americans, the river was central to their lives for transportation for trading and for fishing. They gathered marsh grass to feed their cattle, and

16159-541: The river, and even after the construction of the Croton Aqueduct (1842) and then the New Croton Aqueduct (1890) gave rise to indoor plumbing , the waste that was flushed away into the sewers , where it mixed with ground runoff, ran directly into the river, untreated. The sewers terminated at the slips where ships docked, until the waste began to build up, preventing dockage, after which the outfalls were moved to

16302-457: The river, under the northern tip of Roosevelt Island, and is expected to not be completed until at least 2026; the Manhattan portion of the tunnel went into service in 2013. Philanthropist John D. Rockefeller founded what is now Rockefeller University in 1901, between 63rd and 64th Streets on the river side of York Avenue , overlooking the river. The university is a research university for doctoral and post-doctoral scholars, primarily in

16445-442: The rocks which, along with the mix of tides, made the Hell Gate stretch of the river so dangerous to navigate. Ebenezer Meriam had organized a subscription to pay Maillefert $ 6,000 to, for instance, reduce "Pot Rock" to provide 24 feet (7.3 m) of depth at low-mean water. While ships continued to run aground (in the 1850s about 2% of ships did so) and petitions continued to call for action, the federal government undertook surveys of

16588-608: The route has been filled in, replaced by such structures as the New York City Subway 's Westchester Yard and the Hutchinson Metro Center . Westchester Creek's present-day head is at Herbert H. Lehman High School ; the remaining portion is largely inaccessible and surrounded by industrial enterprises or empty lots. Westchester Creek is traversed by the Bruckner Interchange at about its midpoint. Pugsley Creek, historically known as Maenippis Kill and Cromwell's Creek,

16731-414: The salt marshes of western Connecticut. Rodents include the white-footed mouse , the meadow vole (probably the most abundant coastal mammal) and the meadow jumping mouse . Muskrats are heavily trapped but remain abundant. Raccoons and red foxes who live in areas near the marshes will hunt in them. The long-tailed weasel and short-tailed weasel are both found near the Sound, occasionally living in

16874-479: The salt marshes. Dolphins are occasionally spotted in Long Island Sound, along with Harbor seals and gray seals that can be found among the rocks off Stonington and Groton at the eastern end. Long-finned pilot whales and harbor porpoises can also be infrequently sighted in open water, a few miles off the coast. In 1975, a finback whale beached itself in Groton. Animals that need moist woodlands are found in

17017-470: The same time that Hell Gate was being cleared, the Harlem River Ship Canal was being planned. When it was completed in 1895, the "back door" to New York's center of ship-borne trade in the docks and warehouses of the East River was open from two directions, through the cleared East River, and from the Hudson River through the Harlem River to the East River. Ironically, though, while both forks of

17160-456: The seaside edges of marshes where high tides daily inundate it. Salt meadow cordgrass ( Spartina patens ) and spikegrass ( Distichlis spicata ) grow in areas less frequently inundated by saltwater, typically closer to dry land. A short form of salt water cordgrass can sometimes be found in the depressions ( pannes ) in the higher areas where salt water collects and evaporates, leaving water even higher in salinity than seawater. Other plants in

17303-463: The shore, especially in late summer and fall. The American lobster is fished commercially. Most animal species on the Connecticut side of the Sound also occur inland, but some are much more abundant along the shore. Animals along the Sound are most concentrated in the salt marshes. Two species of shrews , the masked shrew and the American short-tailed shrew , are common in salt marshes. The least shrew has been thought to exist in small numbers in

17446-489: The shoreline of Manhattan and, later, Brooklyn – which continued until the mid-19th century when the state put a stop to it – was an increase in the speed of its current. Buttermilk Channel , the strait that divides Governors Island from Red Hook in Brooklyn, and which is located directly south of the "mouth" of the East River, was in the early 17th century a fordable waterway across which cattle could be driven. Further investigation by Colonel Jonathan Williams determined that

17589-629: The shores of the larger river estuaries such as the Connecticut River , cattail marshes replace salt marshes. Various types of grasses, including wild rice , and sedges , including bulrushes , are found here. Eelgrass - sometimes known as "Saltwater Eelgrass" in order to distinguish it from Freshwater Eelgrass, which is a different species ( Vallisneria americana ) - is typically found in protected bays, coves, and other areas of brackish water, but it also persists along areas of exposed shoreline along Long Island's north shore near Orient. Eelgrass

17732-486: The signing of the Dongan Charter , which allowed intertidal land to be owned and sold – the shoreline was "wharfed out" to the high-water mark by constructing retaining walls that were filled in with every conceivable kind of landfill: excrement, dead animals, ships deliberately sunk in place, ship ballast, and muck dredged from the bottom of the river. On the new land were built warehouses and other structures necessary for

17875-418: The sound has become increasingly deficient of marine life . The fishing and lobster industries have encouraged efforts to identify the cause of the dead water and rectify the problem. Lobsters have suffered diseases of unknown cause, but recreational fishing improved dramatically in the last 10 years due, in large part, to restoring a key component in the food chain, menhaden (a.k.a. "bunker") fish which are

18018-858: The span. The Brooklyn Bridge was followed by the Williamsburg Bridge (1903), the Queensboro Bridge (1909), the Manhattan Bridge (1912) and the Hell Gate Railroad Bridge (1916). Later would come the Triborough Bridge (1936), the Bronx-Whitestone Bridge (1939), the Throgs Neck Bridge (1961) and the Rikers Island Bridge (1966). In addition, numerous rail tunnels pass under the East River – most of them part of

18161-549: The strait's southern bank near LaGuardia Airport via Flushing Bay . Further west, Luyster Creek drains into the East River in Astoria, Queens . North of Randalls Island , it is joined by the Bronx Kill . Along the east of Wards Island, at approximately the strait's midpoint, it narrows into a channel called Hell Gate , which is spanned by both the Robert F. Kennedy Bridge (formerly

18304-645: The surface of water from sunlight and deprives oxygen to marine organisms. Eutrophication and its effects are direct environmental impacts on the Sound that are exacerbated by higher temperatures, stratified water columns (when the water is not well mixed vertically) and excess nutrients. The primary target for water remediation tactics in Long Island Sound have been nutrients discharged by sewage treatment plants and in surface runoff . Long Island Sound sustains significant populations of fish and nurseries. This biological function has been threatened by both terrestrial and chemical alterations resulting from urbanization of

18447-660: The terrapin population started recovering. Sea turtles occasionally travel north on the Gulf Stream and wander into the Sound. The loggerhead turtle , green turtle and leatherback turtle are rarely seen along the Connecticut shore. Other reptiles and amphibians found along the edges of the salt marshes and nearby bodies of water include the green frog , bullfrog , pickerel frog , spotted turtle , painted turtle , northern water snake , and common snapping turtle . On beaches and sandy areas there are Fowler's toads (which are also found inland but find sandy areas preferable),

18590-399: The time, gentlemen, when you could go in twelve feet of water and you could see the pebbles on the bottom of this river." As the water got more polluted, it darkened, underwater vegetation (such as photosynthesizing seagrass) began dying, and as the seagrass beds declined, the many associated species of their ecosystems declined as well, contributing to the decline of the river. Also harmful

18733-484: The tuna family, enter the sound and can be caught by anglers from small boats and shore. Many species have declined rapidly since 1975 due to over fishing. Winter flounder may not be currently present except for rare, small local populations. Tautog and summer flounder are also less numerous. Anadromous fishes include striped bass , white perch , alewives, blueback herring, and American and hickory shad . Although several shark species likely infrequently wander in and out of

18876-433: The tunnel's financiers, the landmass owes its popular name (after Burmese diplomat U Thant , former Secretary-General of the United Nations ) to the efforts of a group associated with the guru Sri Chinmoy that held mediation meetings on the island in the 1970s. Today, the island is owned by New York State and serves as a migratory bird sanctuary that is closed to visitors. Proceeding north and east from Roosevelt Island,

19019-403: The warmer environment provided by proximity to the Sound (which has a longer growing season than inland Connecticut and winters that are less harsh). These include sweetgum (only found in Connecticut in the extreme southwestern area of the state), the American holly , post oak and persimmon , which only exist in Connecticut along the shore. For many species which grow typically in sandy soils,

19162-475: The west, a ridge rising to about 65 feet (20 m) below the present sea level is called the Mattatuck Sill. Its lowest point is about 80 feet (24 m) below sea level. Glacial meltwater formed " Lake Connecticut ", a freshwater lake in the basin, until about 8,000 years ago, when the sea level rose to about 80 feet (24 m) below today's level. Seawater then overflowed into the basin, transforming it from

19305-410: The wind. This results in more sunlight reaching the forest floor, encouraging a jungle-like tangle of vines and shrubs, including the vines catbriar , poison ivy , bramble and bittersweet , and the shrubs blueberry , huckleberry , viburnum and hazelnut . Along with the moderate climate, tropical cyclones can have an important impact on observable vegetation patterns. The greatest storms to hit

19448-535: The years due to heavy industrial use. However, in 2014, the Friends of Ferry Point Park advocated for the plans to restore Westchester and Pugsley Creeks for $ 100 million. 40°49′24″N 73°50′24″W  /  40.82333°N 73.84000°W  / 40.82333; -73.84000 This article about a location in The Bronx , New York is a stub . You can help Misplaced Pages by expanding it . This article related to

19591-505: The years, bridges over the sound have been proposed, including a bridge between Rye in Westchester County and Oyster Bay on Long Island; between New Haven, Connecticut , and Shoreham on Long Island; between Bridgeport, Connecticut , and Port Jefferson on Long Island; or between Orient Point, New York , and Rhode Island . A tunnel under the sound, as between Rye and Oyster Bay has also been proposed, to carry both freeway lanes and railroads. However, no crossing has been built since

19734-537: Was built from Gowanus Creek , which emptied into the river. Historically, there were other small streams which emptied into the river, though these and their associated wetlands have been filled in and built over. These small streams included the Harlem Creek, one of the most significant tributaries originating in Manhattan. Other streams that emptied into the East River included the Sawkill in Manhattan, Mill Brook in

19877-582: Was done, and the Civil War soon broke out. In the late 1860s, after the Civil War, Congress realized the military importance of having easily navigable waterways, and charged the Army Corps of Engineers with clearing Hell Gate. Newton estimated that the operation would cost about half as much as the annual losses in shipping. The 2021 book by Thomas Barthel titled Opening the East River: John Newton and

20020-429: Was issued for the detonating device. After the explosion, the rock debris was dredged and dropped into a deep part of the river. This was not repeated at the later Flood Rock explosion. On October 10, 1885, the Corps carried out the largest explosion in this process, annihilating Flood Rock with 300,000 pounds (140,000 kg) of explosives. The blast was felt as far away as Princeton, New Jersey (50 miles). It sent

20163-402: Was the general destruction of the once plentiful oyster beds in the waters around the city, and the over-fishing of menhaden , or mossbunker , a small silvery fish which had been used since the time of the Native Americans for fertilizing crops – however it took 8,000 of these schooling fish to fertilize a single acre, so mechanized fishing using the purse seine was developed, and eventually

20306-596: Was the site of one of the greatest disasters in the history of New York City when, in June 1904, the PS General Slocum sank near North Brother Island due to a fire. It was carrying 1,400 German-Americans to a picnic site on Long Island for an annual outing. There were only 321 survivors of the disaster , one of the worst losses of life in the city's long history, and a devastating blow to the Little Germany neighborhood on

20449-489: Was widely known at the time through letters, diaries and memoirs, and was a factor not only in the attitude of Americans toward the British, but in the negotiations to formally end the war. After the war, East River waterfront development continued once more. New York State legislation, which in 1807 had authorized what would become the Commissioners Plan of 1811 , authorized the creation of new land out to 400 feet from

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