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The Tijuana River Estuary is an intertidal coastal wetland at the mouth of the Tijuana River in San Diego County, California, United States, bordering Tijuana, Baja California, Mexico. It is the location of Tijuana River National Estuarine Research Reserve , Tijuana Slough National Wildlife Refuge , Border Field State Park , and the Tijuana ...
California's coastal salt marsh is a wetland plant community that occurs sporadically along the Pacific Coast from Humboldt Bay to San Diego. This salt marsh type is found in bays, harbors, inlets, and other protected areas subject to tidal flooding .
The plant species of the California coastal sage and chaparral ecoregion are diverse, with high endemism. [2] The main plant communities are coastal sage scrub, California coastal prairie, chamise chaparral, southern oak woodland, pine forests, riparian woodland, and salt marshes. [5] [4]
The deserts in California receive between 2 and 10 inches (51 and 254 mm) of rain per year. [6] Plants in these deserts are brush and scrub, adapted to the low rainfall. Common plant species include creosote bush, blackbrush, greasewood, saltbush, big sagebrush, low sagebrush, and shadscale. [6]
The California chaparral and woodlands ecoregion is subdivided into three smaller ecoregions. [1] California coastal sage and chaparral ecoregion: In southern coastal California and northwestern coastal Baja California, as well as all the Channel Islands of California and Guadalupe Island.
The Madrona Marsh Preserve, in the city of Torrance in the South Bay region of Southern California, is a seasonal wetland with vernal pools. The 43 acres (17 ha) was a former site of oil wells and is one of the few natural areas remaining within an urban landscape .
Non-native plants were introduced that later proved highly invasive. Between 1880 and 1940, dikes and levees were built that allowed duck hunting, salt harvesting, and sewage settling ponds. The most permanent changes were the construction of the Santa Fe Railroad 's Surf Line in 1887, Pacific Coast Highway 101 in 1891, and Interstate 5 in 1965.
The California interior chaparral and woodlands ecoregion extends from as far north as Shasta Lake in Northern California to as far south as the Santa Barbara Channel in Southern California. Despite being termed as "inland", this ecoregion features extensive coastline between the Central Coast towns of Goleta and San Simeon , as well as within ...