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San Dieguito River Park

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The San Dieguito River Park is a 92,000-acre (37,000 ha) greenway in San Diego County, California , United States. The park, established in 1989, stretches for 55 miles (89 km) from the mouth of the San Dieguito Lagoon (a lagoon between Solana Beach and Del Mar ) to the Volcan Mountain Wilderness Preserve close to Julian , following the San Dieguito River . The park is a joint powers authority comprising San Diego County and the cities of Del Mar, Escondido , Poway , San Diego , and Solana Beach.

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15-559: The park contains the Coast to Crest Trail with the planned length of 70 miles (110 km). As of 2017, 45 miles (72 km) of the Coast to Crest Trail have been built, as were 20 miles (32 km) of auxiliary trails. Open space within the park is a home to multiple species, including 230 birds. Coastal sage scrub habitat includes Least Bell's Vireo , Cactus wren , California gnatcatcher and San Diego horned lizard . A restoration project in

30-512: Is a low scrubland plant community of the California coastal sage and chaparral subecoregion , found in coastal California and northwestern coastal Baja California . It is within the California chaparral and woodlands ecoregion , of the Mediterranean forests, woodlands, and scrub biome . Coastal sage scrub is characterized by low-growing aromatic, and drought-deciduous shrubs adapted to

45-416: Is a species of prickly pear cactus known by the common name coastal pricklypear . It is sometimes called the sprawling prickly pear due to its short stems and habit of growing close to the ground. "Littoral" means "pertaining to the seashore". Opuntia littoralis is native to Southern California and Baja California , México , where it grows in coastal sage scrub and chaparral habitats . It

60-639: Is also found offshore on the Islas Coronados , located south-southwest of Tijuana , Baja California and San Diego, California , as well as the California Channel Islands . This cactus is variable in appearance; there are several varieties and hybrids where similar species are mutually found. Opuntia littoralis generally grows in dense clumps spreading several meters wide and up to a meter (3 ft) tall. The branches are made up of oval-shaped flat segments up to 22 centimetres (8.7 in) long. It

75-554: Is also giant coreopsis ( Coreopsis gigantea ), Californian black sage ( Salvia mellifera ), California buckwheat ( Eriogonum fasciculatum ) , and Californian white sage ( Salvia apiana ). Plant species that can be found in Maritime Succulent Scrub is coast prickly pear ( Opuntia littoralis ), coast barrel cactus ( Ferocactus viridescens ), cliff spurge ( Euphorbia misera ), bush rue ( Cneoridium dumosum ), and Dudleya spp. Northern coastal scrub occurs along

90-583: Is mostly found along the maritime Central Coast region, and the terraces and mountains with coastal climate influence in Southern California . Its distribution extends from the southwestern San Francisco Bay Area in the north, through Big Sur , Vandenberg Air Force Base , the Oxnard Plain , the Los Angeles Basin , most of Orange County , parts of Riverside County , coastal San Diego County , and

105-759: Is terraces with deep alluvial soils , and scrub, which is found on steeper slopes and ravine areas. Evergreen shrubs and subshrubs, which are soft leaves. They are found in semi-open with a height of 2–3 meters, with multiple layers. Some examples of the plant species that can be found are Bush monkeyflower ( Mimulus aurantiacus ), Poison oak ( Toxicodendron diversilobum ), Coffee berry ( Frangula californica ), Golden yarrow ( Eriophyllum confertiflorum ). California sagebrush ( Artemisia californica ) can be found in Coastal Sage Scrub community, especially in Orange County . Some other plant species that can be found

120-573: The Marine Corps Air Station Miramar has vernal pools and the endemic mint Pogogyne abramsii . One of the largest remaining areas of inland coastal sage scrub is found in the Temescal Mountains of Riverside County. A few rare and endangered species occur in southern coastal scrub habitats. For example, the coastal California gnatcatcher ( Polioptila californica californica ) is a threatened bird species endemic to

135-690: The Pacific Coast from the northern San Francisco Bay Area to southern Oregon . It frequently forms a landscape mosaic with the California coastal prairie plant community. The predominant plants are low evergreen shrubs and herbs . Characteristic shrubs include coyote brush ( Baccharis pilularis ), yerba santa ( Eriodictyon californicum ), coast silk-tassel ( Garrya elliptica ), salal ( Gaultheria shallon ), and yellow bush lupine ( Lupinus arboreus ). Herbaceous species include western blue-eyed grass ( Sisyrinchium bellum ), Douglas iris ( Iris douglasiana ), and grasses . Southern coastal scrub

150-479: The San Dieguito Lagoon was completed in 2011 at the cost of 86 million dollars. 33°02′33″N 117°02′26″W  /  33.0424°N 117.0406°W  / 33.0424; -117.0406 This San Diego County, California –related article is a stub . You can help Misplaced Pages by expanding it . Coastal sage scrub Coastal sage scrub , also known as coastal scrub , CSS , or soft chaparral ,

165-674: The coastal sage scrublands remain undeveloped. Some of the remaining southern coastal scrub in Los Angeles County can be found in dunes under the takeoff path at Los Angeles International Airport—LAX , in the coastal Santa Monica Mountains National Recreation Area , and at the Robert J. Bernard Field Station at the Claremont Colleges . In San Diego County, the Camp Pendleton Marine Corps Base protects larger areas, and

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180-741: The coastal sage scrublands. Other endemic fauna includes the El Segundo blue butterfly in the LAX dunes; and the Palos Verdes blue butterfly ( Glaucopsyche lygdamus palosverdesensis ), at only one site on the Palos Verdes Peninsula . The endangered Torrey pine ( Pinus torreyana ) is the dominant tree at Torrey Pines State Natural Reserve in San Diego, one of only two known stands of this pine species. Opuntia littoralis Opuntia littoralis

195-412: The flora. Hesperoyucca whipplei , colloquially known as Chaparral Yucca, is commonplace throughout the climate zone. The coastal sage scrub plant community is divided into three geographical subtypes— northern coastal scrub , southern coastal scrub , and maritime succulent scrub . The coastal scrub communities are divided into three regions: The Northern Coastal Scrub consists of prairie , which

210-522: The northwestern region of Baja California state in Mexico, including the areas around Tijuana and Ensenada . The metropolitan areas of Los Angeles , San Diego , and Tijuana are located in the southern coastal scrublands, and most of the scrublands have been lost to urbanization and agriculture . The plants of this community prefer the mild maritime climates found along Southern California's coastline. World Wildlife Fund estimates that only 15 percent of

225-456: The semi-arid Mediterranean climate of the coastal lowlands. The community is sometimes called "soft chaparral " due to the predominance of soft, drought-deciduous leaves in contrast to the hard, waxy-cuticled leaves on sclerophyllous plants of California's chaparral communities. Characteristic shrubs and subshrubs include: Larger shrubs include: Herbaceous plants , grasses , and in some locales, cacti and succulents , are also part of

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