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2 datasets found

Federal

Long-term resource variation and group size: A large-sample field test of the Resource Dispersion Hypothesis

U.S. Department of Health & Human Services —

Background The Resource Dispersion Hypothesis (RDH) proposes a mechanism for the passive formation of social groups where resources are dispersed, even in the absence...
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Federal

Grasshopper Sparrow (Ammodramus savannarum ammolegus) calculated territory size Arizona 2009-2013

Department of the Interior —

Ammodramus savannarum ammolegus (commonly referred to as the Arizona Grasshopper Sparrow) occurs in the desert and plains grasslands of southeastern Arizona,...
- XML
- XML

2 datasets found

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