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Northern forests do not benefit from lengthening growing season
Date:1/12/2010

r than before but, at the same time, they prevent genetically better adapted individuals from becoming more common. In a dense stand, old trees cast a shadow and prevent new seedlings from establishing. In this way, younger seedlings, which would be more suitable to warmer conditions, cannot easily progress beyond the sapling state.

A question closely related to environmental changes is, whether humans should help the populations to adapt? For forests, possible means of human aid include thinning and planting southern seeds to more northern locations.


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Contact: Anna Kuparinen, Docent
anna.kuparinen@helsinki.fi
358-407-313-120
University of Helsinki
Source:Eurekalert

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