W09_L19_competitionII

Few species many empty niches susceptible to invasion

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Unformatted text preview: ands might be a good place to look for this effect Why islands? High potential for empty niches: ---Low native species richness. ---High endemicity Performance Diet proportion Numerous examples of invasions Many species = Few "empty niches" resistant to invasion. Resource And, we find both examples of species packing (community enrichment) and competitive exclusion 5 BUT, there may be numerous resource axes operating at once.... Species can also coexist a number of other ways due to life history tradeoffs. The niche of an organism includes not only its resource utilization and competition with other species, but its response to environmental conditions, predators, etc. More issues in competition moisture predation competition disease competition nutrients July 2007 6...
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This note was uploaded on 10/08/2009 for the course BIS 2 taught by Professor Schwartzandkeen during the Spring '09 term at UC Davis.

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