Predators of juvenile sea urchins and the effect of habitat refuges

We evaluated the effects of potential predators from intertidal habitats on Strongylocentrotus purpuratus survival using laboratory experiments and assessed abundances of main predatory species along the Pacific coast of North America. The interactive effects of urchins’ and predators’ sizes in medi...

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Bibliographic Details
Published in:Marine biology 2013-03, Vol.160 (3), p.579-590
Main Authors: Clemente, S., Hernández, J. C., Montaño-Moctezuma, G., Russell, M. P., Ebert, T. A.
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal populations
Animal, plant and microbial ecology
Biological and medical sciences
Biomedical and Life Sciences
Crabs
Crustaceans
Decapoda
Distribution
Echinodermata
Echinoidea
Food and nutrition
Freshwater & Marine Ecology
Fundamental and applied biological sciences. Psychology
Habitats
Intertidal zonation
Invertebrates
Life Sciences
Marine
Marine & Freshwater Sciences
Marine biology
Microbiology
Oceanography
Original Paper
Pachygrapsus crassipes
Predation
Predation (Biology)
Predators
Prey
Sea urchins
Sea water ecosystems
Spine
Strongylocentrotus purpuratus
Synecology
Zoology
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Summary:We evaluated the effects of potential predators from intertidal habitats on Strongylocentrotus purpuratus survival using laboratory experiments and assessed abundances of main predatory species along the Pacific coast of North America. The interactive effects of urchins’ and predators’ sizes in mediating predation were quantified. Habitat complexity (substrate pits, adult spine canopy) was manipulated to examine its effects on predation of most susceptible individuals (
ISSN:0025-3162
1432-1793
DOI:10.1007/s00227-012-2114-3