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Forest Tree Species Diversity Depends on Individual Variation

Image showing elevation contours outlining tree heights.

It's a paradox that's puzzled scientists for a half-century.

Models clearly show that the coexistence of competing species depends on those species responding differently to the availability of resources. Then why do studies comparing competing tree species draw a blank?

Competitors like black gums and red maples have coexisted for millennia in the shaded understories of eastern U.S. forests, yet species-level data offer scant proof that they respond differently to ...

More at http://www.nsf.gov/news/news_summ.jsp?cntn_id=116375&WT.mc_id=USNSF_51&WT.mc_ev=click


This is an NSF News item.

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