Número de Documento     
Artículo:

The Latitudinal Gradient in Recent Speciation and Extinction Rates of Birds and Mammals

Autor:

T. Weir

Dolph Schluter

Resumen:

The larger number of bird and mammal species in the tropics, compared with temperate zones, reflects a lower extinction rate, not increased speciation as previously supposed.

Página:

1574

Publicación:

Science

Volúmen:

315

Número:

5818

Fecha:

16 Marzo 2007

ISSN:

00368075 TTI Momentous Changes at the Poles

SrcID:

00368075-2007-03-16.txt

Número de Documento