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ˆ!˙ˆˇ - Michigan State University
Paper 195 Disc Ecology Letters, (2001) 4 : 57 63. REPORT. Habitat destruction and extinction in competitive and mutualistic metacommunities Abstract Christopher A. Klausmeier Because habitat loss is a leading cause of extinction, it is important to identify what University of Minnesota, kind of species is most vulnerable. Here, I use algebraic and graphical techniques to Department of Ecology, study metacommunity models of weak competition or locally facultative mutualism in Evolution, and Behavior. which species may coexist within patches. Because a competition colonization trade- Present Address: EAWAG, off is not required for regional coexistence of competitors, poor competitors are often Seestrasse 79, CH-6047. regionally rare and most prone to extinction, in contrast to results from previous Kastanienbaum, Switzerland. models of strongly competitive metapopulations. Metacommunities of mutualists can E-mail: suffer the abrupt extinction of both species as habitat destruction is increased.
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