TY  - GEN
AU  - Colwell,Robert K.
AU  - Hurtt,George C.
TI  - Nonbiological gradients in species richness and a spurious Rapoport effect
KW  - Ecology
KW  - nonbiological gradients
KW  - species richness
KW  - spurious Rapoport effect
KW  - tropical latitudes
ER  -