Biogeography of forest relics in the mountains of northwestern Argentina

Speciation in Amazonian Forest Birds

Jürgen Haffer · Science · 1969 · 2.1K citations

Biodiversity, Engineering, Molecular Ecology +7

Speciation Patterns in the Amazonian Forest Biota

Beryl B. Simpson, Jürgen Haffer · Annual Review of Ecology and Systematics · 1978 · 179 citations

Biodiversity, Phylogenetics, Molecular Ecology +8

The Biogeographic Evidence Supporting the Pleistocene Forest Refuge Hypothesis

Robert J. O’Hara · Evolution · 1986 · 143 citations

Paleoenvironmental Reconstruction, Biogeography, Biogeographic Evidence +4

Avian Zoogeography of the Neotropical Lowlands

Jürgen Haffer · Ornithological Monographs · 1985 · 143 citations

Biodiversity, Biogeography, Avian Zoogeography +3

Pollen studies in the Junín area, central Peruvian Andes

Barbara C. S. Hansen, H. E. Wright, J. Platt Bradbury · Geological Society of America Bulletin · 1984 · 122 citations

Palaeo-environmental Reconstruction, Engineering, Botany +13