Global Ecology and Biogeography, Vol. 16, No. 2 (Mar., 2007), pp. 149-159 (11 pages) Aim We examined the relative contributions of spatial gradients and local environmental conditions to ...

Not all poisonous gases have a smell or a color. But a tiny grid of pastel- and candy-colored squares that effectively "sniffs" out hazardous chemicals in the air such as chlorosarin—a highly toxic ...

This is a preview. Log in through your library . Abstract Oaks (genus Quercus) often display a large range of phenotypic variation across many of their traits. The contribution of genetic and ...