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Community ecology homework shortest answer if possible

Environmental Science
Tutor: None Selected Time limit: 0 Hours

5.      I measure the use of nuts, trees and nesting materials by two species of squirrel and find some strong overlaps in the uses of nesting materials in particular.  Is it safe to conclude that these two species are competitors?  Why or why not?

 

Apr 14th, 2015
Intraspecific competition occurs within the species.  The niche overlap here is near 100%.  Individuals of the same species compete for the exact same things in the environment, therefore this is the strongest type of competition.  Interspecific competition is waged between species.  It can be fierce, if the competing species are similar, but it is never as strong as intraspecific competition.  It is easy to see why.  Take squirrels and chipmunks, for example.  They compete for acorns and a few other resources, but they do not compete with each other for nesting sites (squirrels nest in trees, chipmunks underground), or for mates (one hopes).  Therefore while a chipmunk might have to work very hard to get acorns before a rival squirrel does, he will compete more strongly with another chipmunk who will also be after his nest and any female chipmunks in the area.


Apr 22nd, 2015

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