Nature encourages biodiversity, study

A study of seven tropical forests around the world has shown nature encourages biodiversity by favoring the growth of less common trees. Older, rarer trees get a survival boost.

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<p><a href="http://www.physorg.com/news10300.html">Nature encourages biodiversity, study</a></p> <p>A study of seven tropical forests around the world has shown nature encourages biodiversity by favoring the growth of less common trees. Older, rarer trees get a survival boost.</p>