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pro vyhledávání: '"Robert Edward Farmer"'
Autor:
Robert Edward Farmer
Publikováno v:
Ecology. 44:409-411
Trembling aspen (Populus tremuloides Michx.) is classified by foresters as a shade-intolerant tree. Under natural conditions it persists only in full sunlight and is, therefore, a pioneer species. Intolerance, the inability to survive under the shade