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Yellow pine forest is a montane ecosystem plant community that is dominated by one or both of the "yellow pines": Ponderosa pine (''Pinus ponderosa'') and/or Jeffrey pine (''Pinus jeffreyi'').〔 Jeffrey pine is more stress tolerant than Ponderosa pine. At higher elevations, on poorer soils, in colder climates, and in dryer climates, Jeffrey pine replaces ponderosa as the dominant tree ("Jeffrey pine forest").〔 Ponderosa pine dominated forests ("Ponderosa pine forest") occur at elevations from about . Jeffrey pine dominated forests occur mostly in California, from in the north, and in the south. The highest elevations are typically on the east side of the Sierra Nevada.〔 "Eastside pine forest" refers to areas of Lassen National Forest, Plumas National Forest, and Tahoe National Forest, all on the east of the Sierra Nevada crest, where Ponderosa and Jeffrey pine codominate.〔 Ponderosa pine forests occurs in the Colorado Plateau and in the Sierra Nevada of the western United States, as well as other parts of North America. ==See also== For more information, see articles specific to mountain ranges: *Sierra Nevada lower montane forest *Rocky Mountain ponderosa pine forest 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Yellow pine forest」の詳細全文を読む スポンサード リンク
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