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94-707: The area of Andreapolsky District is shared between the drainage basins of the Neva , the Western Dvina , and the Volga , and thus the divide between the basins of the Atlantic Ocean and the Caspian Sea runs through the district. The northwestern part of the district belongs to the drainage basin of the Lovat River , a major tributary of Lake Ilmen . The rivers in the central part of

188-484: A sink , which may be a permanent lake, a dry lake , or a point where surface water is lost underground . Drainage basins are similar but not identical to hydrologic units , which are drainage areas delineated so as to nest into a multi-level hierarchical drainage system . Hydrologic units are defined to allow multiple inlets, outlets, or sinks. In a strict sense, all drainage basins are hydrologic units but not all hydrologic units are drainage basins. About 48.71% of

282-414: A watershed , though in other English-speaking places, "watershed" is used only in its original sense, that of the drainage divide line. A drainage basin's boundaries are determined by watershed delineation , a common task in environmental engineering and science. In a closed drainage basin, or endorheic basin , rather than flowing to the ocean, water converges toward the interior of the basin, known as

376-532: A 2012 survey 55.1% of the population of Leningrad Oblast adheres to the Russian Orthodox Church , 4% are unaffiliated generic Christians , 1% are Muslims , 1% of the population adheres to the Slavic native faith (Rodnovery), 1% are Old Believers . In addition, 20% of the population declared to be " spiritual but not religious ", 8% is atheist , and 9.9% follows other religions or did not give an answer to

470-449: A drainage basin, and there are different ways to interpret that data. In the unlikely event that the gauges are many and evenly distributed over an area of uniform precipitation, using the arithmetic mean method will give good results. In the Thiessen polygon method, the drainage basin is divided into polygons with the rain gauge in the middle of each polygon assumed to be representative for

564-540: A drainage boundary is referred to as watershed delineation . Finding the area and extent of a drainage basin is an important step in many areas of science and engineering. Most of the water that discharges from the basin outlet originated as precipitation falling on the basin. A portion of the water that enters the groundwater system beneath the drainage basin may flow towards the outlet of another drainage basin because groundwater flow directions do not always match those of their overlying drainage network. Measurement of

658-410: A perimeter, the drainage divide , made up of a succession of elevated features, such as ridges and hills . A basin may consist of smaller basins that merge at river confluences , forming a hierarchical pattern . Other terms for a drainage basin are catchment area , catchment basin , drainage area , river basin , water basin , and impluvium . In North America, they are commonly called

752-531: A power-sharing agreement with the federal government, granting it autonomy. This agreement would be abolished on 18 April 2002. Population : 2,000,997 ( 2021 Census ) ; 1,716,868 ( 2010 Census ) ; 1,669,205 ( 2002 Census ) ; 1,661,173 ( 1989 Soviet census ) . Vital statistics for 2022: Total fertility rate (2022): 0.87 children per woman Life expectancy (2021): Total — 70.17 years (male — 65.43, female — 74.94) Ethnic composition (2021) According to

846-592: A small part of the Estonian SSR to the east of the River Narva with the town of Jaanilinn (now Ivangorod) was transferred to the Russian SFSR and incorporated into Leningrad Oblast. Since then, the territory of Leningrad Oblast has not changed significantly, although some suburbs of Leningrad (now Saint Petersburg) have been excluded from the oblast and incorporated into the city. In October 1946 Leningrad gained from

940-412: A small territory of Novgorod Oblast . Uritsk was transferred from the oblast to the city of Leningrad in 1963, Krasnoye Selo and several settlements nearby—in 1973, Lomonosov —in 1978. After a referendum in 1991, the city of Leningrad was renamed back to Saint Petersburg, but Leningrad Oblast retained its name. On 13 June 1996, Leningrad Oblast, alongside Tver Oblast and Saint Petersburg , signed

1034-408: Is a federal subject of Russia (an oblast ). The oblast has an area of 84,500 square kilometres (32,600 sq mi) and a population of 2,000,997 ( 2021 Census ); up from 1,716,868 recorded in the 2010 Census . Leningrad Oblast is highly industrialized. Its administrative center and largest city is Gatchina . The oblast was established on 1 August 1927, although it was not until 1946 that

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1128-554: Is a network of railways at the Karelian Isthmus , in particular, connecting Vyborg and Priozersk, as well as south of Saint-Petersburg. There also railway lines connecting Veymarn with Slantsy , Veymarn with Petergof via Sosnovy Bor , Mga with Sonkovo via Kirishi , Volkhov with Vologda via Tikhvin and Cherepovets , Volkhov with Chudovo , and Lodeynoye Pole with Sortavala via Olonets . Most of them support intensive passenger and cargo traffic. Paved roads well cover

1222-432: Is also considerable. The territory has no endemic plant taxa. Vascular plant species of Leningrad Oblast listed in the red data book of Russia are Botrychium simplex , Cephalanthera rubra , Cypripedium calceolus , Epipogium aphyllum , Lobelia dortmanna , Myrica gale , Ophrys insectifera , Orchis militaris , Pulsatilla pratensis , Pulsatilla vernalis . The territory of present-day Leningrad Oblast

1316-591: Is located around the Gulf of Finland and south of two great freshwater lakes, Lake Ladoga and Lake Onega . The oblast includes the Karelian Isthmus and some islands, including Gogland in the Gulf of Finland and Konevets in Lake Ladoga. Much of the area of the oblast belongs to the drainage basin of the Neva , which is the only outflow of Lake Ladoga. The Neva, which flows to the Gulf of Finland (the city of Saint Petersburg

1410-548: Is located in its river delta ) is relatively short, but its drainage basin is very large, including Lake Onega and Lake Ilmen . The Svir and the Volkhov flow from Lake Onega and Lake Ilmen, respectively, to Lake Ladoga. Other major tributaries of Lake Ladoga include the Vuoksi and the Syas . Rivers in the western part of the oblast flow to the Gulf of Finland; the two biggest rivers there are

1504-679: Is located within the federal city of Saint Petersburg . The oblast, particularly the areas adjacent to Saint Petersburg, is heavily industrialized. The major enterprises include the oil refinery in Kirishi, the Ford car assembly plant, Hyundai Russia assembly plant and the Rexam PLC Beverage Can Europe and Asia packaging plant in Vsevolozhsk, the paper mill in Syssstroy, and the paper mill and

1598-680: Is no scheduled passenger navigation within the oblast, except for seasonal leisure river cruises from Saint-Petersburg. The Onega Canal , shared with Vologda Oblast, serves as a bypass of Lake Onega from the south. Similarly, the Ladoga Canal bypasses Lake Ladoga from the east, from the Svir to the Neva. It is a part of the Volga–Baltic Waterway . In contrast, the Tikhvinskaya water system , connecting

1692-480: Is referred to as " watershed management ". In Brazil , the National Policy of Water Resources, regulated by Act n° 9.433 of 1997, establishes the drainage basin as the territorial division of Brazilian water management. When a river basin crosses at least one political border, either a border within a nation or an international boundary, it is identified as a transboundary river . Management of such basins becomes

1786-566: Is relatively flat and mostly covered with forest and swamps. An exception is the rocky Karelian Isthmus , which contains a lake district, as well as the Vepsian Upland in the east. The biggest lakes on the isthmus are Lake Vuoksa , Lake Sukhodolskoye , and Lake Otradnoye . Leningrad Oblast contains two federally protected natural areas, the Nizhnesvirsky Nature Reserve and Mshinskoye Boloto Zakaznik , both created to protect

1880-600: Is the Dead Sea . Drainage basins have been historically important for determining territorial boundaries, particularly in regions where trade by water has been important. For example, the English crown gave the Hudson's Bay Company a monopoly on the fur trade in the entire Hudson Bay basin, an area called Rupert's Land . Bioregional political organization today includes agreements of states (e.g., international treaties and, within

1974-682: The African Great Lakes , the interiors of Australia and the Arabian Peninsula , and parts in Mexico and the Andes . Some of these, such as the Great Basin, are not single drainage basins but collections of separate, adjacent closed basins. In endorheic bodies of water where evaporation is the primary means of water loss, the water is typically more saline than the oceans. An extreme example of this

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2068-792: The Continental Divide , northern Alaska and parts of North Dakota , South Dakota , Minnesota , and Montana in the United States, the north shore of the Scandinavian peninsula in Europe, central and northern Russia, and parts of Kazakhstan and Mongolia in Asia , which totals to about 17% of the world's land. Just over 13% of the land in the world drains to the Pacific Ocean . Its basin includes much of China, eastern and southeastern Russia, Japan,

2162-586: The Karelian Isthmus again in the Moscow Armistice of September 19, 1944. This time the newly acquired territories on the isthmus were incorporated into the Leningrad Oblast ( Vyborgsky and Priozersky Districts ). In 1947 the territorial gains were confirmed with the Paris Peace Treaty . Novgorod and Pskov Oblasts were formed out of the southern parts of Leningrad Oblast in 1944. In January 1945

2256-604: The Koporye Fortress , both built in the 14th century, and the Ivangorod Fortress , originally built in 1492, are excellent examples of Russian fortification art. Podporozhsky District contains the best samples of wooden ecclesiastical architecture in Leningrad Oblast, some of which are collectively referred to as Podporozhye Ring : The Resurrection Church in the settlement of Vazhiny , the Saint Nicholas Church in

2350-681: The Korean Peninsula , most of Indochina, Indonesia and Malaysia, the Philippines, all of the Pacific Islands , the northeast coast of Australia , and Canada and the United States west of the Continental Divide (including most of Alaska), as well as western Central America and South America west of the Andes. The Indian Ocean 's drainage basin also comprises about 13% of Earth's land. It drains

2444-660: The Legislative Assembly of Leningrad Oblast , which consists of 50 deputies elected by the region's inhabitants according to a mixed proportional-majority system for a term of 5 years. In 2016, the Legislative Assembly of the sixth convocation was formed, in which there are 4 factions: United Russia (40 deputies), A Just Russia (3 deputies), Communist Party of the Russian Federation (3 deputies), Liberal Democratic Party of Russia (4 deputies). The Chairman of

2538-561: The Lithuania . In 1335, the war between Lithuania and the Grand Duchy of Moscow started, and in the beginning of the 15th century the area was transferred to the Grand Duchy of Moscow. The Dubna Volost, currently a part of the town of Andreapol, was mentioned in the chronicles in 1489. After several wars between Moscow and Lithuania, during which the area was transferred to Lithuania and back, it

2632-762: The Luga and the Narva , which forms the border of Russia and Estonia. Small areas in the east of the oblast lie within the river basin of the Chagodoshcha , a tributary of the Mologa , and of the Suda , both within the Volga basin. A ridgeline in Tikhvinsky District in the eastern oblast forms part of the divide between the Baltic Sea and Caspian Sea basins. The terrain of Leningrad Oblast

2726-664: The Moscow Peace Treaty in 1940 gained some territories, including the Karelian Isthmus . Their Karelian population was hastily evacuated to inner Finland and later replaced with people from other parts of the Soviet Union. A small part of the territory (the municipalities of Kanneljärvi , Koivisto and Rautu ) was incorporated into Leningrad Oblast, the rest being included within the Karelo-Finnish Soviet Socialist Republic . In 1941, Germany invaded

2820-656: The Syas and the Mologa , which provided access from the Ladoga to the river basin of the Volga, is disused. The trans-border Saimaa Canal connects Lake Saimaa in Finland with the Gulf of Finland, has special status, and is occasionally used for passenger navigation. Ust-Luga , Vyborg , Vysotsk , and Primorsk are the major sea terminals on the Gulf of Finland. There is a number of airfields in Leningrad oblast that are now used only by

2914-809: The Upper Svir Hydroelectric Station and the Lower Svir Hydroelectric Station , both on the Svir River, and the Narva Hydroelectric Station on the Narva River. There are many science and high-tech institutions around Saint Petersburg, some of which are located in the oblast. For example, Gatchina is the site of the Petersburg Nuclear Physics Institute  [ ru ] and Sosnovy Bor hosts

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3008-546: The general aviation . Scheduled and international flights are available exclusively from Pulkovo airport in Saint-Petersburg. The Leningrad Nuclear Power Plant is located in the city of Sosnovy Bor . There are four major hydroelectric plants in the oblast. The Volkhov Hydroelectric Station , on the Volkhov River, was constructed in 1921 and became the first major hydropower station in the Soviet Union. The others are

3102-448: The groundwater . A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. Leningrad Oblast Leningrad Oblast ( Russian : Ленинградская область , romanized :  Leningradskaya oblast’ , IPA: [lʲɪnʲɪnˈgratskəjə ˈobləsʲtʲ] ; Veps : Leningradan agj ; Finnish : Leningradin alue )

3196-668: The Estonian border to Tallinn. R23 connects Saint Petersburg with Pskov; it is a part of the E95 . A114 runs to Vologda via Cherepovets. A paid motorway between Saint Petersburg and Moscow and the new A121 from Saint-Petersburg to Sortavala , around the Western coast of Ladoga are under construction. Roads are well served by bus traffic. The Luga , the Svir , the Volkhov , and the Neva are all navigable and heavily user for cargo transport, however, there

3290-408: The Legislative Assembly is Sergei Bebenin. In the period when they were the most important authority in the oblast (1927 to 1991), the following first secretaries were appointed, Since 1991, governors were sometimes appointed, and sometimes elected, Administratively , Leningrad Oblast is divided into seventeen districts and one town of oblast significance ( Sosnovy Bor ). In terms of area,

3384-669: The Research Institute of Optical and Electronic Devices. Since prehistory, the Volkhov and the Neva Rivers were constituents of major trade routes, and archaeological sites dot their banks. Staraya Ladoga has many pre-1700 sites, including two of about a couple of dozens standing pre-Mongol churches in Russia. Both of them were built in the 1160s. The Oreshek Fortress in Shlisselburg and

3478-676: The Soviet Union in Operation Barbarossa , and shortly thereafter the territory became the site of the Battle of Leningrad . The Wehrmacht captured the southwestern part of the oblast and reached Tikhvin in the east, while Finnish troops quickly recaptured the ceded territories in the Continuation War , encircling Leningrad from the land. In 1944 Soviet offensives managed to expel the Wehrmacht and put military pressure on Finland, which ceded

3572-514: The Trinity Church in the settlement of Lugi (1764), as well as an archeological monument. There is a local museum in Andreapol. Drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth , or flows into another body of water , such as a lake or ocean . A basin is separated from adjacent basins by

3666-417: The US, interstate compacts ) or other political entities in a particular drainage basin to manage the body or bodies of water into which it drains. Examples of such interstate compacts are the Great Lakes Commission and the Tahoe Regional Planning Agency . In hydrology , the drainage basin is a logical unit of focus for studying the movement of water within the hydrological cycle . The process of finding

3760-408: The Volga. The southern part of the district belongs to the Central Forest Nature Reserve , a protected area created to preserve conifer forest with the corresponding plants and animals, including the Eurasian brown bear , in the upper course of the Western Dvina. The area of the district in the Middle Ages was interchangeably under control of the Novgorod Republic , Principality of Smolensk , and

3854-417: The advent of rail transport in the late 19th century, the areas in the vicinity of Saint Petersburg had been popular summer resort destinations ( dachas ) for its residents. However, while Saint Petersburg itself was populated mostly by Russians from the very beginning, it was not until the 20th century that its surrounding population was Russified. In 1914, with the beginning of World War I , Saint Petersburg

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3948-419: The attack against the Red Army under Leon Trotsky ultimately failed, and Yudenich retreated. The border with Estonia was established in the Russian-Estonian Treaty of Tartu of 1920. Finland-backed Ingrian Finns of North Ingria attempted to secede in 1918–1920, but were incorporated back with the Russian-Finnish Treaty of Tartu , which settled the border between Finland and Soviet Russia. In 1924, Petrograd

4042-406: The basin, it can form tributaries that change the structure of the land. There are three different main types, which are affected by the rocks and ground underneath. Rock that is quick to erode forms dendritic patterns, and these are seen most often. The two other types of patterns that form are trellis patterns and rectangular patterns. Rain gauge data is used to measure total precipitation over

4136-410: The capital of the Russian Empire . In 1708, most of the territory was organized into Ingermanland Governorate under Governor General Alexander Menshikov . It was renamed Saint Petersburg Governorate in 1710 (the borders of that governorate, however, differed very significantly from those of the present-day oblast and included much of the areas of current Novgorod, Pskov, and Vologda Oblasts). In 1721,

4230-430: The discharge of water from a basin may be made by a stream gauge located at the basin's outlet. Depending on the conditions of the drainage basin, as rainfall occurs some of it seeps directly into the ground. This water will either remain underground, slowly making its way downhill and eventually reaching the basin, or it will permeate deeper into the soil and consolidate into groundwater aquifers. As water flows through

4324-450: The district center was moved to Andreapol. On June 17, 1929, the district was transferred to Western Oblast . On August 1, 1930 the okrugs were abolished, and the districts were subordinated directly to the oblast. On January 29, 1935 Kalinin Oblast was established, and Leninsky District was transferred to Kalinin Oblast. In 1938, Andreapol was granted urban-type settlement status. Between September 1941 and January 1942, during World War II,

4418-406: The district drain into the Daugava , or the Western Dvina as it is known in Russia. The source of the Western Dvina is located in the district. This area contains a large lake district in the southwestern outskirts of the Valdai Hills . The biggest lakes are Lake Luchanskoye and Lake Brosno . The southeastern part of the district belongs to the drainage basin of the Zhukopa River , a tributary of

4512-423: The district from east to west. There are local roads as well. There is bus traffic in the district. The extensive commercial logging has had a negative impact on the environment. The district contains two cultural heritage monuments of federal significance and additionally 108 objects classified as cultural and historical heritage of local significance (three of them located in Andreapol). The federal monuments are

4606-497: The district is cattle breeding with meat and milk production. Milk can not be processed in the district and is transported for processing in surrounding districts. Crops growing, mainly for fodder. The railway connecting Bologoye with Velikiye Luki crosses the district from northeast to southwest. Andreapol is the main railway station within the district. There is infrequent passenger traffic. A paved road connecting Ostashkov with Zapadnaya Dvina via Peno and Andreapol crosses

4700-441: The district was occupied by German troops. On August 22, 1944, the district was transferred to newly established Velikiye Luki Oblast . On October 2, 1957, Velikiye Luki Oblast was abolished, and Leninsky District was transferred back to Kalinin Oblast. In February 1963, during the abortive administrative reform by Nikita Khrushchev , Leninsky District was merged into Toropetsky District. On January 12, 1965 Andreapolsky District

4794-441: The drainage area is dependent on the soil type. Certain soil types such as sandy soils are very free-draining, and rainfall on sandy soil is likely to be absorbed by the ground. However, soils containing clay can be almost impermeable and therefore rainfall on clay soils will run off and contribute to flood volumes. After prolonged rainfall even free-draining soils can become saturated , meaning that any further rainfall will reach

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4888-642: The drainage basin to the mouth, and may accumulate there, disturbing the natural mineral balance. This can cause eutrophication where plant growth is accelerated by the additional material. Because drainage basins are coherent entities in a hydrological sense, it has become common to manage water resources on the basis of individual basins. In the U.S. state of Minnesota , governmental entities that perform this function are called " watershed districts ". In New Zealand, they are called catchment boards. Comparable community groups based in Ontario, Canada, are called conservation authorities . In North America, this function

4982-432: The eastern coast of Africa, the coasts of the Red Sea and the Persian Gulf , the Indian subcontinent , Burma, and most parts of Australia . The five largest river basins (by area), from largest to smallest, are those of the Amazon (7 million km ), the Congo (4 million km ), the Nile (3.4 million km ), the Mississippi (3.22 million km ), and the Río de la Plata (3.17 million km ). The three rivers that drain

5076-405: The exception of the brief periods between 1713 and 1726, when it belonged to Riga Governorate , and between 1775 and 1796, when Smolensk Governorate was transformed into Smolensk Viceroyalty . Between 1810 and 1843, a spa resort was operating in Andreapol, at the time Adreyano Pole. Between 1904 and 1907, the construction of the railroad to Bologoye was completed. In 1906, the station of Andreapol

5170-559: The forest and swamp landscapes of northwestern Russia. The most taxonomically diverse vascular plant families are Asteraceae , Cyperaceae , Poaceae and Rosaceae . By far the most diverse genus is Carex (68 species). The diversity in genera Hieracium (with Pilosella ), Ranunculus (with Batrachium ), Alchemilla , Galium , Potamogeton , Salix , Veronica , Viola , Juncus , Artemisia , Potentilla , Rumex , Festuca , Epilobium , Poa , Trifolium , Campanula , Vicia , Lathyrus , Geranium

5264-412: The greatest portion of western Sub-Saharan Africa , as well as Western Sahara and part of Morocco . The two major mediterranean seas of the world also flow to the Atlantic. The Caribbean Sea and Gulf of Mexico basin includes most of the U.S. interior between the Appalachian and Rocky Mountains , a small part of the Canadian provinces of Alberta and Saskatchewan , eastern Central America ,

5358-435: The ground and along rivers it can pick up nutrients , sediment , and pollutants . With the water, they are transported towards the outlet of the basin, and can affect the ecological processes along the way as well as in the receiving water body . Modern use of artificial fertilizers , containing nitrogen (as nitrates ), phosphorus , and potassium , has affected the mouths of drainage basins. The minerals are carried by

5452-422: The ground at its terminus, the area can go by several names, such playa, salt flat, dry lake , or alkali sink . The largest endorheic basins are in Central Asia , including the Caspian Sea , the Aral Sea , and numerous smaller lakes. Other endorheic regions include the Great Basin in the United States, much of the Sahara Desert , the drainage basin of the Okavango River ( Kalahari Basin ), highlands near

5546-417: The islands of the Caribbean and the Gulf, and a small part of northern South America. The Mediterranean Sea basin, with the Black Sea , includes much of North Africa , east-central Africa (through the Nile River ), Southern , Central, and Eastern Europe , Turkey , and the coastal areas of Israel , Lebanon , and Syria . The Arctic Ocean drains most of Western Canada and Northern Canada east of

5640-412: The largest administrative district is Podporozhsky (7,706 square kilometers (2,975 sq mi)), and the smallest is Lomonosovsky (1,919 square kilometers (741 sq mi)). Lomonosovsky District is the only district in Russia that has its administrative center (the town of Lomonosov ) located within a different federal subject . While the district is a part of Leningrad Oblast, Lomonosov

5734-405: The local Orthodox population of Russian and Finnic ancestry massively fled from Ingria to neighbour Russian provinces, so Ingrian Finns soon became the dominant ethnic group. During the Great Northern War (1700–1721) the territory of what is now Leningrad Oblast was conquered from Sweden by Russia under Peter the Great , who founded Saint Petersburg amidst the land in 1703, which soon became

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5828-515: The modern entity. Administratively, the oblast was divided into nine okrugs ( Borovichi , Cherepovets , Leningrad , Lodeynoye Pole , Luga , Murmansk , Novgorod , Pskov , and Velikiye Luki ), each of which was in turn subdivided into districts . In 1929, Velikiye Luki Okrug was transferred to newly formed Western Oblast . Leningrad was administratively separated from Leningrad Oblast in December 1931. In 1935 five southernmost districts were made part of Kalinin Oblast . In 1936 some parts of

5922-409: The most water, from most to least, are the Amazon, Ganges , and Congo rivers. Endorheic basin are inland basins that do not drain to an ocean. Endorheic basins cover around 18% of the Earth's land. Some endorheic basins drain to an Endorheic lake or Inland sea . Many of these lakes are ephemeral or vary dramatically in size depending on climate and inflow. If water evaporates or infiltrates into

6016-434: The oblast corresponded to the modern territories of the present-day Leningrad Oblast (with the exception of the Karelian Isthmus and the territories along the border with Estonia), Novgorod Oblast , Pskov Oblast , parts of Vologda Oblast , most of Murmansk Oblast , and the federal city of Saint Petersburg. The total area of the oblast was 360,400 square kilometres (139,200 sq mi); more than four times larger than

6110-491: The oblast some former Finnish territories along the northern coast of the Gulf of Finland divided into Sestroretsky District and Kurortny District , including the town of Terijoki . In 1953, Pavlovsky District of the oblast was abolished, and parts of its territory including Pavlovsk were made subordinate to Leningrad. In 1954 the settlements Levashovo , Pargolovo and Pesochny were also transferred to Leningrad. In 1956 Boksitogorsky District of Leningrad Oblast gained

6204-401: The oblast's borders had been mostly settled in their present position. The oblast was named after the city of Leningrad . In 1991, the city restored its original name, Saint Petersburg , but the oblast retains the name of Leningrad. It overlaps the historical region of Ingria , and is bordered by Finland ( Kymenlaakso and South Karelia ) in the northwest and Estonia ( Ida-Viru County ) in

6298-664: The plant producing oil platforms in Vyborg, and the Tikhvin industrial site in Tikhvin. The main agricultural specializations of the oblast are cattle breeding with meat and milk production and poultry production. The main agricultural lands are in the east and in the southwest of the oblast. Saint-Petersburg is a major railway hub, and all railways running to it cross also Leningrad Oblast. They connect Saint-Petersburg with Moscow ( Saint Petersburg – Moscow Railway ), Helsinki via Vyborg , Murmansk via Petrozavodsk , Sortavala via Priozersk , Tallinn via Kingisepp , Riga via Pskov , Vitebsk via Dno , and Veliky Novgorod . There

6392-412: The question. State power in the region is exercised on the basis of the Charter, which was adopted on 27 October 1994. The highest official of the region is the governor , who is elected for a term of five years. Since 28 May 2012, he has been Aleksandr Drozdenko . The executive power in the region is exercised by the administration, which includes: Legislative power in the region is exercised by

6486-418: The rainfall on the area of land included in its polygon. These polygons are made by drawing lines between gauges, then making perpendicular bisectors of those lines form the polygons. The isohyetal method involves contours of equal precipitation are drawn over the gauges on a map. Calculating the area between these curves and adding up the volume of water is time-consuming. Isochrone maps can be used to show

6580-427: The regime. Starting from the 1929, the Soviet authorities carried out mass deportations of the Ingrian Finnish population of the oblast, which constituted the majority in many rural localities as late as in the beginning of the 20th century, to the east, replacing them with people from other parts of the Soviet Union. On 30 November 1939, the Soviet Union waged the Winter War against neighbouring Finland and with

6674-572: The responsibility of the countries sharing it. Nile Basin Initiative , OMVS for Senegal River , Mekong River Commission are a few examples of arrangements involving management of shared river basins. Management of shared drainage basins is also seen as a way to build lasting peaceful relationships among countries. The catchment is the most significant factor determining the amount or likelihood of flooding . Catchment factors are: topography , shape, size, soil type, and land use (paved or roofed areas). Catchment topography and shape determine

6768-472: The rest of the okrug it was transferred to Western Oblast. On September 20, 1930 the district was abolished and split between Kholmsky and Leninsky Districts. On June 1, 1936 Seryozhinsky District with the administrative center located in the selo of Bologovo was established. The district was a part of Kalinin Oblast. On August 23, 1944 it was transferred to Velikiye Luki Oblast, and on October 2, 1957 it

6862-461: The river rather than being absorbed by the ground. If the surface is impermeable the precipitation will create surface run-off which will lead to higher risk of flooding; if the ground is permeable, the precipitation will infiltrate the soil. Land use can contribute to the volume of water reaching the river, in a similar way to clay soils. For example, rainfall on roofs, pavements , and roads will be collected by rivers with almost no absorption into

6956-418: The speed with which the runoff reaches a river. A long thin catchment will take longer to drain than a circular catchment. Size will help determine the amount of water reaching the river, as the larger the catchment the greater the potential for flooding. It is also determined on the basis of length and width of the drainage basin. Soil type will help determine how much water reaches the river. The runoff from

7050-678: The territorial concessions of Sweden were confirmed with the Treaty of Nystad . The life of the countryside was greatly influenced by the vicinity of the imperial capital, which became a growing market for its agricultural production as well as the main consumer of its mineral and forest resources. In 1719–1810, Ladoga Canal was dug between the Svir River and the Neva River as part of the Volga-Baltic waterway to bypass stormy waters of Lake Ladoga . Since

7144-503: The territory is known as the historical region of Ingria (or the land of Izhora) and in the 17th century, after most of the present-day territory of Leningrad Oblast was captured by Sweden with the Treaty of Stolbovo of 1617, became subject to substantial Finnish Lutheran population influx from Finnish Karelia (which included Karelian Isthmus , the northwestern part of present-day Leningrad Oblast) and Savonia . Having faced religious pressure from Lutheran pastors and Swedish authorities,

7238-398: The territory of Leningrad Suburban District of Leningrad was returned to Leningrad Oblast and divided into Vsevolozhsky District , Krasnoselsky District , Pargolovsky District and Slutsky District (renamed Pavlovsky District in 1944). Vologda Oblast , which has included the easternmost districts of Leningrad Oblast (former Cherepovets Governorate), was created in 1937. Murmansk Oblast

7332-536: The territory was divided between the Kingdom of Sweden and Novgorod Republic (see Swedish-Novgorodian Wars ) and populated mostly by various Baltic Finns people such as Karelians (northwest), Izhorians and Votes (west), Vepsians (east), as well as Ilmen Slavs of Novgorod (south). During the Russo-Swedish Wars of the 15th-17th centuries, the border moved back and forth over the land. The central part of

7426-415: The time taken for rain to reach the river, while catchment size, soil type, and development determine the amount of water to reach the river. Generally, topography plays a big part in how fast runoff will reach a river. Rain that falls in steep mountainous areas will reach the primary river in the drainage basin faster than flat or lightly sloping areas (e.g., > 1% gradient). Shape will contribute to

7520-477: The time taken for runoff water within a drainage basin to reach a lake, reservoir or outlet, assuming constant and uniform effective rainfall. Drainage basins are the principal hydrologic unit considered in fluvial geomorphology . A drainage basin is the source for water and sediment that moves from higher elevation through the river system to lower elevations as they reshape the channel forms. Drainage basins are important in ecology . As water flows over

7614-631: The village of Soginitsy , the Sts Peter and Paul Chapel in the village of Zaozerye , and the Saint Athanasy chapel in the village of Posad . The two other notable wooden churches are located in the villages of Gimreka and Shcheleyki close to the Onega Lakeshore. The center of Vyborg preserves many examples of medieval Swedish architecture, unique for Russia. After Saint Petersburg was founded in 1703, many estates and residences were founded around

7708-453: The west, as well as five federal subjects of Russia: the Republic of Karelia in the northeast, Vologda Oblast in the east, Novgorod Oblast in the south, Pskov Oblast in the southwest, and the federal city of Saint Petersburg in the west. The first governor of Leningrad Oblast was Vadim Gustov (in 1996–1998). The current governor, since 2012, is Aleksandr Drozdenko . Leningrad Oblast

7802-638: The western and the central parts of Leningrad Oblast. The M10 highway connects Saint Petersburg with Moscow via Veliky Novgorod in the south and with the Finnish border, continuing across the border to Helsinki, in the north. It is split between European routes E18 (Saint Petersburg to Finland) and E105 (Saint Petersburg to Moscow), and much of it within the oblast is built as a dual carriageway. R21 highway (also part of E105) runs from Saint Petersburg to Murmansk via Petrozavodsk, and A180 (part of E20 ) connects Saint Petersburg with Ivangorod and continues across

7896-636: The world's land drains to the Atlantic Ocean . In North America , surface water drains to the Atlantic via the Saint Lawrence River and Great Lakes basins, the Eastern Seaboard of the United States, the Canadian Maritimes , and most of Newfoundland and Labrador . Nearly all of South America east of the Andes also drains to the Atlantic, as does most of Western and Central Europe and

7990-583: Was created, and the areas on the right bank of the Western Dvina were included into Toropetsky and Kholmsky Uyezds of Pskov Governorate. In 1777, Pskov Governorate was transformed into Pskov Viceroyalty, and in 1796, the viceroyalty was abolished, and Pskov Governorate was restored. The lands in the south of the district, on the left bank of the Western Dvin,a in 1708 was included into Belsky Uyezd of Smolensk Governorate and remained there until 1929, with

8084-429: Was established in the areas which previously belonged to Toropetsky and Ostashkovsky Districts . In 1967, Andreapol was granted town status. In 1990, Kalinin Oblast was renamed Tver Oblast. On August 1, 1927 Bologovsky District with the administrative center located in the selo of Bologovo was established as well. The district was a part of Velikiye Luki Okrug of Leningrad Oblast, and on June 17, 1929 with

8178-543: Was established, with the seat in Ostashkov . The area on the left bank of the Western Dvina was included into Ostashkovsky Uyezd. In 1775, Tver Viceroyalty was formed from the lands which previously belonged to Moscow and Novgorod Governorates, and this area was transferred to Tver Viceroyalty, which in 1796 was transformed to Tver Governorate . Also in 1772, as a result of the First Partition of Poland , Pskov Governorate

8272-448: Was in 1508 again included to the Grand Duchy of Moscow. In the course of the administrative reform carried out in 1708 by Peter the Great , most of the area was included into Ingermanlandia Governorate (since 1710 known as Saint Petersburg Governorate), and in 1727 Novgorod Governorate split off. In 1772, Ostashkov was granted town status, and Ostashkovsky Uyezd of Novgorod Governorate

8366-419: Was opened, and the selo of Andreapol, which included villages of Dubna, Andreyano Pole, and Gorka, was established. On August 1, 1927 Pskov Governorate was abolished, and Leningrad Oblast was established. Toropetsky Uyezd was abolished as well, and Leninsky District , with the administrative center in the selo of Khotilitsy was established. It belonged to Velikiye Luki Okrug of Leningrad Oblast. In 1928,

8460-610: Was populated shortly after the end of the Weichselian glaciation and now hosts numerous archaeological remnants. The Volga trade route and trade route from the Varangians to the Greeks crossed the territory. Staraya Ladoga , the first capital of legendary Rurik , founded in the 8th-9th century, is situated in the east of the oblast, on the Volkhov River . In the 12th-15th centuries,

8554-679: Was renamed Leningrad, and Petrograd Governorate was again renamed accordingly (Leningrad Governorate). Leningrad Oblast was established on 1 August 1927, by the resolutions of the All-Russian Central Executive Committee "On the Establishment of Leningrad Oblast" and "On the Borders and Composition of the Okrugs of Leningrad Oblast" by merging Cherepovets , Leningrad, Murmansk , Novgorod , and Pskov Governorates . The territory of

8648-616: Was renamed Petrograd and the governorate was accordingly renamed Petrograd Governorate. After the Russian Revolution , in 1918, the capital was transferred from Petrograd to Moscow , farther from the borders of the country. In 1919, during the Russian Civil War , the Northwestern White Army advancing from Estonia and led by Nikolai Yudenich tried to capture Petrograd and even managed to reach its southern outskirts, but

8742-562: Was split from Leningrad Oblast in 1938. In the autumn of 1934, the Forbidden Border Zone along the western border of the Soviet Union was established, where nobody could appear without special permission issued by the NKVD . It was officially only 7.5 km deep initially, but along the Estonian border it extended to as much as 90 km. The zone was to be cleansed of Finnic and other peoples who were considered "politically unreliable" by

8836-456: Was transferred back to Kalinin Oblast. On January 12, 1960 Seryozhinsky District was abolished and split between Leninsky and Toropetsky Districts. Forests cover around 70% of the district. As a result, the logging industry is a substantial source of revenue. Another developed industry is agriculture. There is also a porcelain production plant in Andreapol, as well as a number of food industry enterprises. The main agricultural specialization of

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