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foothill woodland
Foothill woodland is a California vegetation type characterized by an overstory of broadleaf and coniferous trees, generally found in areas of higher elevations and more precipitation than grasslands and oak savannah, and at lower elevations and less precipitation than mixed coniferous.
==Sierra Nevada range==
In the Sierra Nevada range, it is found on western slopes at elevations of in the northern part of the range, in the central part, and in the southern part.〔Sierra Nevada Wildflowers, Karen Wiese, 2nd ed, 2013, p. 12-13〕 Annual precipitation in its range is , with little precipitation in the summer.〔 Growing season is 6-10 months.〔 Temperatures range in the summer, and in winter.〔
In the Sierra Nevada range, it is characterized by a dominant overstory of Foothill Pine (''Pinus sabiniana''), Blue Oak (''Quercus douglasii''), Interior Live Oak (''Quercus chrysolepis''), California Black Oak (''Quercus kelloggii''), California Buckeye (''Aesculus californica''), and understory plants including ''Ceanothus spp.'', Toyon (''Heteromeles arbutifolia''), Dogwood (''Cornus spp.''), and Redbud (''Cercis occidentalis'').〔 It is often found on north facing slopes there is more moisture in the soils from protection from the sun (slope effect).〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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