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Greg Laden's Blog

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South America:

Re-examining the cause of speciation and species diversity in the tropics

Category: South America

Did Past Climate Changes Promote Speciation in the Amazon? Any time you've got a whopping big river like the Amazon (or a mountain chain like the Andes, or an ocean, or whatever), you've gotta figure that it will be a biogeographical barrier. Depending on the...

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