Santa Rosa Plateau
Encyclopedia
The Santa Rosa Plateau is an upland plateau
and southeastern extension of the Santa Ana Mountains
in Riverside County
, southern California
. It is bounded by the rapidly urbanizing Inland Empire cities of Murrieta
to the northeast, and Temecula
to the southeast.
The Santa Rosa Plateau Ecological Reserve preserves approximately 8400 acres (34 km²) of the plateau, and includes the Moreno and Machado Adobes, Riverside County’s oldest standing structures, and other buildings from the 19th century Mexican land grant
Rancho Santa Rosa
.
communities and habitat
s, including purple needlegrass
prairie (Nassella pulchra), California oak woodland
(Engelmann Oak
s—Quercus engelmannii), montane chaparral
, coastal sage scrub
, and vernal pool
s, which are increasingly rare in urbanized Southern California
.
in 1984. The intervening parcels were purchased in the 1990s by the State of California, the Riverside County Regional Park and Open Space District, and the Metropolitan Water District of Southern California
.
Although the parcels remain under the ownership of separate agencies, they are managed cooperatively, with biological resource management, which includes prescribed fire
and habitat restoration
programs managed by the Nature Conservancy, and visitor management. This includes operation of a visitor center and a 40 miles (64.4 km) trail system, managed by the Riverside County Regional Park and Open-Space District (RivCo Parks)
.
Plateau
In geology and earth science, a plateau , also called a high plain or tableland, is an area of highland, usually consisting of relatively flat terrain. A highly eroded plateau is called a dissected plateau...
and southeastern extension of the Santa Ana Mountains
Santa Ana Mountains
The Santa Ana Mountains are a short peninsular mountain range along the coast of Southern California in the United States. They extend for approximately 36 mi southeast of the Los Angeles Basin largely along the border between Orange and Riverside counties.- Geography :The range starts in the...
in Riverside County
Riverside County, California
Riverside County is a county in the U.S. state of California. One of 58 California counties, it covers in the southern part of the state, and stretches from Orange County to the Colorado River, which forms the state border with Arizona. The county derives its name from the city of Riverside,...
, southern California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
. It is bounded by the rapidly urbanizing Inland Empire cities of Murrieta
Murrieta, California
Murrieta has a Mediterranean climate or Dry-Summer Subtropical . Murrieta has plenty of sunshine throughout the year, with an average of 263 sunshine days and 35 days with measurable precipitation annually....
to the northeast, and Temecula
Temecula, California
Temecula is a city in southwestern Riverside County, California, United States with a population of 100,097 according to the 2010 United States Census, making it the lowest populated American city over 100,000 population. It was incorporated on December 1, 1989...
to the southeast.
The Santa Rosa Plateau Ecological Reserve preserves approximately 8400 acres (34 km²) of the plateau, and includes the Moreno and Machado Adobes, Riverside County’s oldest standing structures, and other buildings from the 19th century Mexican land grant
Ranchos of California
The Spanish, and later the Méxican government encouraged settlement of territory now known as California by the establishment of large land grants called ranchos, from which the English ranch is derived. Devoted to raising cattle and sheep, the owners of the ranchos attempted to pattern themselves...
Rancho Santa Rosa
Rancho Santa Rosa (Moreno)
Rancho Santa Rosa was a Mexican land grant in present day Riverside County, California given in 1846 by Governor Pio Pico to Juan Moreno. At the time of the US patent, Rancho Santa Rosa was a part of San Diego County...
.
Habitats
The Santa Rosa Plateau is home to several native plantCalifornia native plants
California native plants are plants that existed in California prior to the arrival of European explorers and colonists in the late 18th century...
communities and habitat
Habitat
* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...
s, including purple needlegrass
Nassella pulchra
Nassella pulchra is a species of grass known by the common name purple needlegrass. It is native to California, where it occurs throughout the coastal hills, valleys, and mountain ranges, as well as the Sacramento Valley and parts of the Sierra Nevada foothills, and Baja California.It grows in many...
prairie (Nassella pulchra), California oak woodland
California oak woodland
California oak woodland is a plant community found throughout the California chaparral and woodlands ecoregion of California in the United States and northwestern Baja California in Mexico...
(Engelmann Oak
Engelmann Oak
Quercus engelmannii, the Engelmann Oak or Pasadena Oak, is a species of oak in the white oak section Quercus sect. Quercus, native to Southern California and northwestern Baja California, Mexico.-Description:...
s—Quercus engelmannii), montane chaparral
California montane chaparral and woodlands
The California montane chaparral and woodlands ecoregion covers , including the mountains of the Transverse, Peninsular, and Santa Lucia Ranges of California. It is part of the Mediterranean forests, woodlands, and scrub biome, with cool, wet winters and hot, dry summers...
, coastal sage scrub
Coastal sage scrub
Coastal sage scrub is a low scrubland plant community found in the California chaparral and woodlands ecoregion of coastal California and northern Baja California. It is characterized by low-growing aromatic, and drought-deciduous shrubs adapted to the semi-arid Mediterranean climate of the...
, and vernal pool
Vernal pool
Vernal pools, also called vernal ponds or ephemeral pools, are temporary pools of water. They are usually devoid of fish, and thus allow the safe development of natal amphibian and insect species...
s, which are increasingly rare in urbanized Southern California
Southern California
Southern California is a megaregion, or megapolitan area, in the southern area of the U.S. state of California. Large urban areas include Greater Los Angeles and Greater San Diego. The urban area stretches along the coast from Ventura through the Southland and Inland Empire to San Diego...
.
Ecological Reserve
The Santa Rosa Plateau Ecological Reserve was assembled in several stages; two parcels, comprising 3100 acres (13 km²), were purchased by The Nature ConservancyThe Nature Conservancy
The Nature Conservancy is a US charitable environmental organization that works to preserve the plants, animals, and natural communities that represent the diversity of life on Earth by protecting the lands and waters they need to survive....
in 1984. The intervening parcels were purchased in the 1990s by the State of California, the Riverside County Regional Park and Open Space District, and the Metropolitan Water District of Southern California
Metropolitan Water District of Southern California
The Metropolitan Water District of Southern California is the largest supplier of treated water in the US. The name is usually shortened to the "Metropolitan Water District" or simply "MWD". It is a cooperative of 14 cities and 12 municipal water districts that indirectly provides water to 18...
.
Although the parcels remain under the ownership of separate agencies, they are managed cooperatively, with biological resource management, which includes prescribed fire
Controlled burn
Controlled or prescribed burning, also known as hazard reduction burning or Swailing is a technique sometimes used in forest management, farming, prairie restoration or greenhouse gas abatement. Fire is a natural part of both forest and grassland ecology and controlled fire can be a tool for...
and habitat restoration
Restoration ecology
-Definition:Restoration ecology is the scientific study and practice of renewing and restoring degraded, damaged, or destroyed ecosystems and habitats in the environment by active human intervention and action, within a short time frame...
programs managed by the Nature Conservancy, and visitor management. This includes operation of a visitor center and a 40 miles (64.4 km) trail system, managed by the Riverside County Regional Park and Open-Space District (RivCo Parks)
Riverside County Regional Park and Open-Space District (RivCo Parks)
The Riverside County Regional Park and Open-Space District is a special district operating in Riverside County, California. The District’s focus encompasses providing high-quality recreational opportunities and preserving important features of the County’s Natural, Cultural and Historical...
.
See also
- California chaparral and woodlandsCalifornia chaparral and woodlandsThe California chaparral and woodlands is a terrestrial ecoregion of lower northern, central, and southern California and northwestern Baja California , located on the west coast of North America...
- Index: Flora of California chaparral and woodlands