5monon MSN
is the most widespread tree species in North America. As a keystone species, aspen provides food and shelter for many forest ...
It appeared that the aspen trees had stopped regenerating around ... and cottonwood recovery in Yellowstone National Park. Forest Ecology and Management, 184, 299-313.
V. Phenotypic variation of trembling aspen of western North America. Forest Science 21, 319-328 (1976). Berveiller, D. & Damesin, D. Interspecific variability of stem photosynthesis among tree ...
Aspen, beech, and birch sap seen as small niche, but could have potential for new revenue streams for maple producers.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results