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… ash (Fraxinus excelsior), lime (Tilia sp.), maple (Acer platanoides), aspen (Populus tremula) and oak (Quercus robur). The measurements were wood mould depth, internal cavity diameter, internal cavity height, circumference, and if white or brown rot was the dominating mould …
… to clear cutting) can increase the access to energy. The tree genus poplar (Populus spp.) is interesting as energy resource as it has both high production and short rotation period. But browsing ungulates are a major threat to the establishment of poplar plants and therefore the …
Under början av 1900-talet började forskning om hybridisering av olika poppelarter. Forskning har skett i flera länder som Sverige, Danmark, Tyskland, Belgien och USA. En av de mest framstående korsningarna är klonen OP 42 (P. maximowiczii x P. trichocarpa), vilket också är den …
Kärlväxtflora och vegetationsutveckling efter naturvårdsbränning i två småländska naturreservat
… dominated by herbs than sticks. New spruces were not found, and no aspens (Populus tremula) grew on the fire site. Generally, the forest is more open and richer in number of species, but to maintain a continuously dynamic forest, more fires are needed.
