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The Repository contains data on PPBio Biological Surveys as well as Pictures and Videos. 
Use of the Biological Surveys data follow the same policy as use of the PPBio database. 

Amazonian Soils Mapped Using Indicator Species

Amazonian Fern
 
Different fern species require different kinds of soil to grow, so their presence can be used to deduce site conditions. (Photo: Gabriela Zuquim)

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