Definition of Fundamental niche
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Fundamental niche Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
In ecology, a niche (CanE, or ) is a term with a variety of meanings related to the behavior of a species living under specific environmental conditions. The ecological niche describes how an organism or population responds to the distribution of resources and competitors (for example, by growing when resources are abundant, and when predators, parasites and pathogens are scarce) and how it in turn alters those same factors (for example, limiting access to resources by other organisms, acting as a food source for predators and a consumer of prey). "The type and number of variables comprising the dimensions of an environmental niche vary from one species to another...[and]...the relative importance of particular environmental variables for a species may vary according to the geographic and biotic contexts".
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