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

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7 Citations (Scopus)

Résumé

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

Langue d'origine	English
Pages (de-à)	1847-1851
Nombre de pages	5
Journal	Canadian Journal of Fisheries and Aquatic Sciences
Volume	41
Numéro de publication	12
DOI	https://doi.org/10.1139/f84-228
Statut de publication	Published - 1984

ASJC Scopus Subject Areas

Ecology, Evolution, Behavior and Systematics
Aquatic Science

ODD de l’ONU

Cette action contribue à la réalisation des objectifs de développement durable suivants

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10.1139/f84-228

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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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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.

Résumé

ASJC Scopus Subject Areas

ODD de l’ONU

Accès au document

Autres fichiers et liens

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