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 ...

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 ...

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