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GGC Hypotheses, Outline, Datasources

by Daniel Bunker last modified 2008-02-22 11:41

Please edit at will!

Hypothesis:  Global grassland communities (GGCs) are 'structured' similarly. 

Predictions:  GGCs should occupy similar trait space worldwide - if not, does trait space vary with: latitude, precipitation, PET, nativity (proportion of species or biomass that is native vs. non-native), land use history (intact vs. abandoned),  or grazing pressure?


Is there a prediction for phylogenetic structure?  For species diversity?


Data needs:  community, trait, environmental data.  In addition to DGS sources we might use: China grasslands data, European sites with LEDA trait data, ...

Dangers: Available trait data may be too coarse to detect differences, ie Scott's example of two similar bunch grasses, one of which has taken off while the other has not.
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