Distribution of the bay checkerspot butterfly, Euphydryas editha bayensis: evidence for a metapopulation model
Harrison, S. (Stanford University, Stanford, CA) ; Murphy, D.D ; Ehrlich, P.R
The American naturalist, 1988-09, Vol.132 (3), p.360-382 [Periódico revisado por pares]Chicago, IL: University of Chicago Press
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