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Ecology & Safety, Volume 12, 2018

CONCEPTUAL MODEL OF SPRUCE POPULATION GEOGRAPHIC DIFFERENTIATION ON THE RUSSIAN PLAIN ACCORDING TO PHENE OF SEED SCALE FORM AND GROWTH RATE
Rumyantsev D. E., Chernishenko O. V., Sirotova A. A.
Pages: 26-37
Published: 27 Jul 2018
Views: 644
Downloads: 191
Abstract: According to our hypothesis increase of forest exploitation intensity must have lead to selection inside the population directed to primary reproduction of sharp scale forms of spruce. The portion of variations with round seed scales is larger in areas with rare fires than in surrounding stands. Modern structure of spruce populations on Eastern-European plain does not reflect the structure of spruce populations according to phenoform of seed scales in geographical gradient after glacier contraction.
Keywords: eurasian spruce species, microevolution, drought resistance, growth rate, seed scale form, anthropogenic impact, natural selection, history of agricul
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