Community Ecology 1

Community Ecology 1 - o Two species cannot coexist...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Community Ecology group of populations of different species living close enough to interact Interspecific interactions : relationship between individuals of two or more species in a community; include competition, predation, herbivory, and symbiosis. Interspecific competition : The competition between each other for resources that are in short supply o a – / – interaction that occurs when individuals of different species compete for a resource that limits their growth and survival o Competitive exclusion : the concept that when populations of two similar species compete for same limited resources, one will use the resources more efficiently and have a reproductive advantage that will lead to the elimination of the other population Ecological niche : Sum of a species’ use of the biotic and abiotic resources in its environment o If habitat is its “address,” then niche is its “profession” — ecological role
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: o Two species cannot coexist permanently in community if niches are identical but ecologically similar species can coexist if there are differences in their niches Resource partitioning : Differentiation of niches that enables similar species to coexist in a community o As a result of competition, a species fundamental niche , which is the niche potentially occupied by that species, is often different from its realized niche , the portion of its fundamental niche that it actually occupies in a particular environment Character displacement : The tendency for characteristics to diverge in more in sympatric populations of two species than in allopatric populations of the same two species o Allopatric geographically separate Sympatric geographically overlapping Predation : + / interaction between species in which one species, the predator, kills and eats the other, the prey...
View Full Document

Page1 / 2

Community Ecology 1 - o Two species cannot coexist...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online