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Brown Scientists Say Biodiversity Is Crucial to Ecosystem Productivity http://apocadocs.com/s.pl?1209068066 
In the first experiment involving a natural environment, scientists at Brown University have shown that richer plant diversity significantly enhances an ecosystem's productivity.... the results confirmed tests charting how biodiversity affects aboveground plant productivity in artificial ecosystems.... the greater the number of plant species, the more productive the ecosystem. 
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[Read more stories about: 
ecosystem interrelationships] 
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This casts a shadow on endless square miles of monocrops. And they were so efficient.
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