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Co-occurrence Patterns in Carnivorans: Correspondence Between Morphological andEcological Characteristics of anAssemblage of Carnivorans in Patagonia

AuthorsZapata, Sonia C.; Delibes, M. ; Travaini, Alejandro ; Procopio, Diego
Issue DateAug-2013
CitationJournal of Mammalian Evolution,l (2013)
AbstractWe searched for correspondence between morphol- ogy and trophic habits in an assemblage of six species of coexisting carnivoransfromPatagoniatoconfirmthepredictive powerof the studyof the trophic morphologyas anapproachto the study of resource partitioning, which is often utilized in paleontological studies. The six species were assigned to four morphoguilds and to four trophic guilds, although the species composition of both spaces was only coincident during one of the twostudied time periods. Themost obvious explanationfor this lack of correspondence is based on the assumption that species can change from one ecological guild to another, while their relative positions in the morphospace will befixed. There- fore, the observed lack of correspondence could be searched in the contextof differences betweenthe ecologicalandevolution- ary scales. Althoughmorphological specialization toward some type of diet has been corroborated in our assemblage, the inference of interactions in ecological time amongspecies from the past fromits morphology must be considered with caution
Publisher version (URL)http://dx.doi.org/10.1007/s10914-013-9237-2
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