| http://www.w3.org/ns/prov#value | - The researchers studied nearly 500 species of birds in Costa Rica in three types of habitat and calculated the birds??? phylogenetic diversity, a measure of the evolutionary history embodied in wildlife. ???If you have an area with lots of closely related species, you won???t have a lot of phylogenetic diversity,??? said co-lead author Luke Frishkoff, a biology doctoral student at Stanford. ???The
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