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

Résultat de recherche: Articleexamen par les pairs

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'origineEnglish
Pages (de-à)1847-1851
Nombre de pages5
JournalCanadian Journal of Fisheries and Aquatic Sciences
Volume41
Numéro de publication12
DOI
Statut de publicationPublished - 1984

ASJC Scopus Subject Areas

  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science

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