From coexistence to competitive exclusion: can overfishing change the outcome of competition in skates (Chondrichthyes, Rajidae)?

From coexistence to competitive exclusion: can overfishing change the outcome of competition in skates (Chondrichthyes, Rajidae)?

Competition for food could be a major force driving changes in the community structure of skates (Rajidae) subjected to fishing exploitation. Under this hypothesis, small skates are released from competition with larger skates after fishing has depleted the larger species. Here, we compare the abund...

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Autores principales: Ruocco,Natalia L, Lucifora,Luis O, Díaz de Astarloa,Juan M, Menni,Roberto C, Mabragaña,Ezequiel, Giberto,Diego A
Lenguaje:English
Publicado: Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2012
Materias:
Bathyraja albomaculata
Bathyraja macloviana
Rajidae
diet overlap
resource competition
elasmobranch fisheries
Argentina
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2012000100010
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