Journal
BRAZILIAN JOURNAL OF BIOLOGY
Volume 69, Issue 4, Pages 1027-1035Publisher
INT INST ECOLOGY
DOI: 10.1590/S1519-69842009000500006
Keywords
omnivory; stability; prey preference; nutrient enrichment
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Food webs usually display an intricate mix of trophic interactions where multiple prey are common. In this context omnivory has been the subject of intensive analysis regarding food web stability and structure. In a three species omnivory setting it is shown that the modeling of prey preference by the top predator may exert a strong influence on the short as well as on the long term dynamics of the respective food web. Clearly, this has implications concerning the stability and the structure of omnivory systems under disturbances such as nutrient enrichment.
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