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Evaluating taxonomic homogenization of freshwater fish assemblages in Chile RChHN
Vargas,Pamela V; Arismendi,Ivan; Gomez-Uchida,Daniel.
BACKGROUND: Pervasive introductions of non-native taxa are behind processes of homogenization of various types affecting the global flora and fauna. Chile's freshwater ecosystems encompass a diverse and highly endemic fish fauna that might be sensitive to the introduction of non-native species, an ongoing process that started two centuries ago, but has to date received little attention. Using historical (native) and present-day (native and non-native) presence-absence data sets of compositional similarity, our goal was twofold: (1) evaluate patterns of taxonomic homogenization at various spatial scales and (2) identify clusters of widely versus narrowly distributed species to assess their relative role in compositional changes. We expect that non-native...
Tipo: Journal article Palavras-chave: Taxonomic homogenization; Taxonomic differentiation; Endemic fishes; Conservation; Management; Invasive species.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2015000100016
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