ecological niche(redirected from Niche, Ecological)
Also found in: Dictionary, Thesaurus, Encyclopedia.
- the physical space occupied by an organism.
- the organism's functional role in the community (e.g. TROPHIC LEVEL).
- other conditions of the organism's existence, such as preferred temperature, moisture and pH, combining spatial habitat with functional interaction with other species.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005