The Hutchinsonian niche uses mathematics and statistics to try to explain how species coexist within a given community. The concept of ecological niche is central to ecological biogeography, which ...

The end result is a beaver dam. A pond or small lake fills up behind the dam and that is where the beaver then lives. This is called niche construction — the beaver doesn’t just occupy its ecological ...

The central idea is that each species occupies a unique ecological niche, a distinct functional role within the ecosystem (Darwin 1859). Under this view species richness arises from the actions of ...

This is not simply because the organisms that become extinct leave behind empty ecological niches that are filled by creatures from different ancestry than the former inhabitants. Instead ...

Although it is the sister species of the brown bear, it has evolved to occupy a narrower ecological niche, with many body characteristics adapted for cold temperatures, for moving across snow ...