Concepedia

John R. Grehan

JR

Statistics

Publications

24

Citations

565

H-Index

15

Active since

1979

Affiliations

University of Vermont(Current)

Buffalo Society of Natural Sciences

Pennsylvania State University

Carnegie Museum of Natural History

Victoria University of Wellington

John R. Grehan is an author at University of Vermont specializing in evolutionary biology, life sciences, and biogeography.

Publications per year

1979–2023

24

Publications

24

Biogeography and evolution of the Galapagos: integration of the biological and geological evidence

John R. Grehan · Biological Journal of the Linnean Society · 2001 · 86 citations

, , +14

Evolution of the second orangutan: phylogeny and biogeography of hominid origins

John R. Grehan, Jeffrey H. Schwartz · Journal of Biogeography · 2009 · 56 citations

, , +17

Conservation Biogeography and the Biodiversity Crisis: A Global Problem in Space/Time

John R. Grehan · Biodiversity Letters · 1993 · 45 citations

, , +11

Orthogenesis and Evolution

John R. Grehan, Ruth Ainsworth · Systematic Zoology · 1985 · 43 citations

, , +9

Biogeography and evolution of the Galapagos: integration of the biological and geological evidence

John R. Grehan · Biological Journal of the Linnean Society · 2001 · 29 citations

, , +14

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