Predation by rock crabs ( Cancer irroratus) on diseased sea urchins ( Strongylocentrotus droebachiensis) in Nova Scotia.

R. E. Scheibling

doi:10.1139/f84-228

Predation by rock crabs ( Cancer irroratus) on diseased sea urchins ( Strongylocentrotus droebachiensis) in Nova Scotia.

R. E. Scheibling

Medicine

Medicine

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7 Citas (Scopus)

Resumen

Disease increases susceptibility of sea urchins to predation by precluding natural defensive behaviors including spine projection, strong attachment to the substratum, and aggregation. Rock crabs preferred diseased or narcotized sea urchins over healthy ones and fed upon them at a much higher rate than crabs given only healthy sea urchins as prey. Rock crabs showed no significant preference between diseased and narcotized sea urchins. Rock crabs clearly preferred mussels over healthy or diseased sea urchins.-from Author

Idioma original	English
Páginas (desde-hasta)	1847-1851
Número de páginas	5
Publicación	Canadian Journal of Fisheries and Aquatic Sciences
Volumen	41
N.º	12
DOI	https://doi.org/10.1139/f84-228
Estado	Published - 1984

ASJC Scopus Subject Areas

Ecology, Evolution, Behavior and Systematics
Aquatic Science

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title = "Predation by rock crabs ( Cancer irroratus) on diseased sea urchins ( Strongylocentrotus droebachiensis) in Nova Scotia.",

abstract = "Disease increases susceptibility of sea urchins to predation by precluding natural defensive behaviors including spine projection, strong attachment to the substratum, and aggregation. Rock crabs preferred diseased or narcotized sea urchins over healthy ones and fed upon them at a much higher rate than crabs given only healthy sea urchins as prey. Rock crabs showed no significant preference between diseased and narcotized sea urchins. Rock crabs clearly preferred mussels over healthy or diseased sea urchins.-from Author",

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N2 - Disease increases susceptibility of sea urchins to predation by precluding natural defensive behaviors including spine projection, strong attachment to the substratum, and aggregation. Rock crabs preferred diseased or narcotized sea urchins over healthy ones and fed upon them at a much higher rate than crabs given only healthy sea urchins as prey. Rock crabs showed no significant preference between diseased and narcotized sea urchins. Rock crabs clearly preferred mussels over healthy or diseased sea urchins.-from Author

AB - Disease increases susceptibility of sea urchins to predation by precluding natural defensive behaviors including spine projection, strong attachment to the substratum, and aggregation. Rock crabs preferred diseased or narcotized sea urchins over healthy ones and fed upon them at a much higher rate than crabs given only healthy sea urchins as prey. Rock crabs showed no significant preference between diseased and narcotized sea urchins. Rock crabs clearly preferred mussels over healthy or diseased sea urchins.-from Author

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Predation by rock crabs ( Cancer irroratus) on diseased sea urchins ( Strongylocentrotus droebachiensis) in Nova Scotia.

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