Maritime coast range ponderosa pine forest: Difference between revisions
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The '''maritime coast range ponderosa pine forests''', also known as '''ponderosa sand parklands''' and '''ponderosa pine sandhills,''' are a rare temperate forest community consisting of open stands of a disjunct population of [[ |
The '''maritime coast range ponderosa pine forests''', also known as '''ponderosa sand parklands''' and '''ponderosa pine sandhills,''' are a rare temperate forest community consisting of open stands of a disjunct population of [[ponderosa pine]] growing on sandy soils in the [[Santa Cruz Mountains]] of north central coastal [[California]] in the United States. Limited to approximately {{convert|200| acres}}, the only two known occurrences of this type are near the towns of [[Ben Lomond, California|Ben Lommond]] and [[Bonny Doon, California|Bonny Doon]] in [[Santa Cruz County, California|Santa Cruz County]]. |
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==Description== |
==Description== |
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This forest type is restricted to very sandy Zayante [[soil]]s that are isolated pockets of decomposing [[sandstone]] from the [[Miocene]] terraces of the coastal range, distinct from the volcanically formed rocks which make up most of the Santa Cruz Range. These soils are deemed to be [[Relict (biology)|relict]]s of once larger expanses found when this region was geologically even younger, and hence had more evidence of the [[sandstone]] [[erosion]] of the ancient [[Tectonic uplift|uplift]]ed [[ocean]] floor. Estimated to originally cover {{convert|6000| acres}}, 40% of this type has been lost, mostly to sand quarrying and development. |
This forest type is restricted to very sandy Zayante [[soil]]s that are isolated pockets of decomposing [[sandstone]] from the [[Miocene]] terraces of the coastal range, distinct from the volcanically formed rocks which make up most of the Santa Cruz Range. These soils are deemed to be [[Relict (biology)|relict]]s of once larger expanses found when this region was geologically even younger, and hence had more evidence of the [[sandstone]] [[erosion]] of the ancient [[Tectonic uplift|uplift]]ed [[ocean]] floor. Estimated to originally cover {{convert|6000| acres}}, 40% of this type has been lost, mostly to sand quarrying and development. |
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The forests occur on less than {{convert|200| acres}}, consisting of open stands of Ponderosa Pine with occasional [[ |
The forests occur on less than {{convert|200| acres}}, consisting of open stands of Ponderosa Pine with occasional [[Knobcone Pine]] and [[Santa Cruz Cypress]]. |
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Fire historically played an important role in this habitat. |
Fire historically played an important role in this habitat. |
Revision as of 15:47, 5 November 2023
The maritime coast range ponderosa pine forests, also known as ponderosa sand parklands and ponderosa pine sandhills, are a rare temperate forest community consisting of open stands of a disjunct population of ponderosa pine growing on sandy soils in the Santa Cruz Mountains of north central coastal California in the United States. Limited to approximately 200 acres (81 ha), the only two known occurrences of this type are near the towns of Ben Lommond and Bonny Doon in Santa Cruz County.
Description
This forest type is restricted to very sandy Zayante soils that are isolated pockets of decomposing sandstone from the Miocene terraces of the coastal range, distinct from the volcanically formed rocks which make up most of the Santa Cruz Range. These soils are deemed to be relicts of once larger expanses found when this region was geologically even younger, and hence had more evidence of the sandstone erosion of the ancient uplifted ocean floor. Estimated to originally cover 6,000 acres (2,400 ha), 40% of this type has been lost, mostly to sand quarrying and development.
The forests occur on less than 200 acres (81 ha), consisting of open stands of Ponderosa Pine with occasional Knobcone Pine and Santa Cruz Cypress.
Fire historically played an important role in this habitat.
One of these three forests is located atop a ridge that straddles the Carbonera Creek and Zayante Creek watersheds[1] of Santa Cruz County within the western slopes of the Santa Cruz Mountains.
The forests are home to three endemic insects and four endemic plants.[2][3][4][5][6]
See also
- Ponderosa pine forest
- Bonny Doon Ecological Reserve
- Henry Cowell Redwoods State Park
- High conservation value forest
- Endangered arthropod
References
- ^ USGS Quadrangle Map (U.S. Government Printing Office, Washington, DC, 1980).
- ^ USFWS. Determination of endangered status for two insects from the Santa Cruz Mountains of California. Federal Register January 24, 1997.
- ^ "Plant Communities". Santa Cruz County California Native Plant Society.
- ^ "The Santa Cruz Sandhills". Sandhills Alliance for Natural Diversity.
- ^ Griffin, James R. (April 1, 1964). "Isolated Pinus Ponderosa Forests on Sandy Soils near Santa Cruz, California". Ecology. 45 (2): 410–412. doi:10.2307/1933863. JSTOR 1933863.
- ^ Fahey, Marilyn (April 13, 2012). "The Rare Santa Cruz Sandhills and the People who Love Them". Bay Nature.
External links
"Santa Cruz County, California" is an invalid category parameter for Template:Coord missing.
The problem is usually caused either by a spelling mistake or by an-over-precise category.
For a full list of categories, see Category:Unclassified articles missing geocoordinate data and its subcategories.
- Santa Cruz County, California articles missing geocoordinate data
- Plant communities of California
- Natural history of the California Coast Ranges
- Geography of Santa Cruz County, California
- Forests of California
- Natural history of Santa Cruz County, California
- Santa Cruz Mountains
- San Francisco Bay Area geography stubs