Conservation and management of species require basic knowledge on their geographic distribution and abundance. Here, we propose a novel approach, based on the theory of the ecological niche, to model ...

Limnology and Oceanography, Vol. 56, No. 6 (2011), pp. 2027-2039 (13 pages) The pelagic zone of large, deep freshwater lakes features pronounced horizontal and vertical gradients of physicochemical ...

Researchers digitally mapped ancient Chinese tombs and discovered that their distribution mirrors shifts in political ...

Density is one of the most important urban characteristics. A high-density city like New York looks, feels, and functions differently than a low-density city like Des Moines. Yet the textures of ...