Flora Library
Search for glacial cycles host:www.na.fs.fed.us
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glacial cycles host:www.na.fs.fed.us
Listing 1 - 3 from 3 for glacial cycles
lodgepole pine pine grows native range rocky mountains contorta var vancouver island western white pine grows growing season northern idaho rocky mountain pinaceae pine family coastal form weather stations siskiyou mountains mountain hemlock grows extensive stands
Pinus contorta Dougl
... drier soils derived from limestone. In Canada, however, extensive stands occur on calcareous glacial tills (56). Glacial drift provides a balance of moisture and porosity on which the species seems ... -11, 1973. p. 359-376. Washington State University, Pullman. Brown, James K. 1975. Fire cycles and community dynamics in lodgepole pine forests. In Proceedings, Symposium on Management of Lodgepole ...
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Pinus monticola Dougl
... quartzite, argillite, sandstone, and shale. Most often, the more rocky soils have developed from basalt, glacial deposits, alluvial deposits, or lacustrine deposits (28). In the Inland Empire, the upper soil ... in the short shoot. Nursery and field tests of rust resistant seedlings after two cycles of selections indicate rust resistance of 66 and 88 percent, respectively. Hybrids Western white ...
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Tsuga mertensiana (Bong
... derived from a wide variety of parent materials, including those of volcanic, sedimentary, metamorphic, and glacial origin. It is, however, relatively rare and stunted on soils derived from calcareous parent ... soils (30). Mycorrhizae were found to be important sinks for carbon and components of nutrient cycles in one stand (84). Reaction to Competition- Mountain hemlock is classed as tolerant of ...
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