Diel Sheltering Behavior in Sea Urchins, a Geographical Comparison of Three Echinoid Families from the Northern and Southern Hemispheres |
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Page 23
... spine canopy . These small urchins were generally less than 20mm in test diameter , and should not account for the ... spines than they do at San Nicolas Island . The large size mode occurred at ca. 95mm and a small size mode occurred ...
... spine canopy . These small urchins were generally less than 20mm in test diameter , and should not account for the ... spines than they do at San Nicolas Island . The large size mode occurred at ca. 95mm and a small size mode occurred ...
Page 25
... spines purpuratus , were more abundant in the exposed . Several sheephead were observed during the dives at this site ( S. Lee pers . obs . ) . instances of natural area and were more commonly predation on purple urchins by or interest ...
... spines purpuratus , were more abundant in the exposed . Several sheephead were observed during the dives at this site ( S. Lee pers . obs . ) . instances of natural area and were more commonly predation on purple urchins by or interest ...
Page 35
... spines of S. franciscanus were a deterrent to predation by this seastar . Duggins ( 1981 , 1983 ) found that subtidal populations of S. purpuratus and S. droebachiensis exhibited dramatic escape responses when approached by P ...
... spines of S. franciscanus were a deterrent to predation by this seastar . Duggins ( 1981 , 1983 ) found that subtidal populations of S. purpuratus and S. droebachiensis exhibited dramatic escape responses when approached by P ...
Common terms and phrases
2X30m transects abundance Andrew and Choat Bakus benthic bimodal Biology and Ecology CALIFORNIA/SANTA CRUZ Centrostephanus rodgersii consumed Cowen crevices CRUZ The University day and night Dayton Diadema antillarium Diadema spp diel behavior diel period diel sheltering behavior diving Duggins Echinoderm echinoid Echinothrix diadema Ecology Progress Series Evechinus chloroticus Experimental Marine Biology Figure fish predation Fisheries foraging Harrold hemisphere Island Marine Reserve juvenile kelp forest Lee pers Leigh Library The University Lizard Island Marine Biology Marine Ecology Progress microhabitat microhabitat utilization Nelson and Vance northern New Zealand observed occur open substrate patterns Pearse period were taken predation pressure purpuratus red urchins San Nicolas Island Santa Catalina Island SANTA CRUZ SANTA CRUZ UNIVERSITY Schiel sea otters sea urchin Strongylocentrotus Sonoma Coast species of Centrostephanus spines spiny lobsters subtidal Sydney taken within 2X30m Tegner test diameter Tropical diadematid University Library UNIVERSITY UNIVERSITY OF CALIFORNIA UNIVERSITY OF CALIFORNIA/SANTA urchin Strongylocentrotus franciscanus Vermeij