Biology of the Red Sea Urchin, Strongylocentrotus franciscanus, andShare on:
review of red sea urchin, Strongylocen- trotus franciscanus (Fig. 1), biology is given to promote understanding of natural processes which can have a bearing on ...
The Ecology of Strongylocentrotus franciscanus and - California
Red sea urchins, Strongylocentrotus franciscanus (Plate 3C), and purple sea urchins, .... recent discovery is that larval purple sea urchins can clone themselves ...
urchin Strongylocentrotus franciscanus from - Inter Research
Apr 8, 1989 ... ABSTRACT: The red sea urchin, Strongylocentrotus franciscanus, is one of the larger if .... stationary, mortality can be estimated from the growth.
Settlement patterns of red and purple sea urchins - Inter Research
This result could reflect a real pat- tern of greater spatial .... 1993. Fig. 6. Strongylocentrotus franciscanus. Settlement of red sea urchins on brushes in northern ...
Growth and mortality of subtidal red sea urchins (Strongylocentrotus
Red sea urchins, Strongylocentrotus franciscanus, were tagged with tetracycline ... Can. J. Fish. aquat. Sciences 37: 687–692. Ebert, T. A. (1982). Longevity, life ...
Movement and feeding activity of red sea urchins - Springer
Aug 27, 1976 ... ... a population of red sea urchins, Strongylocentrotus franciscanus (Agassiz, 1863), ... These data indicate that movement by these sea urchins is a response to ... Can. J. Zool. 36, 607–621 (1958). Lowry, L.F. and J.S. Pearse: ...
The California Red Sea Urchin, Strongylocentrotus franc - Core
... sea urchin,. Strongylocentrotus franciscanus, catch ... Can., to Baja California, Mex., have gen ... Figure I.-California red sea urchin annual catch, 1971-95.
The evolution of co-management in the British Columbia red sea
development of the red sea urchin (Strongylocentrotus franciscanus) fishery in .... landed value. (Can$000)4. Whole landed value from fish slips. (Can$/lb). 1982.
Microsatellite loci from red sea urchins (Strongylocentrotus
Keywords: microsatellites, red sea urchin, Strongylocentrotus. Received 22 April ... microsatellite loci from S. franciscanus that will be used to further characterize.
The Red Sea Urchin Strongylocentrotus Franciscanus as an - JStor
Pulses merge and can be selectively obscured by variability in growth so that their ... to evaluate why bimodality occurs in size distributions of the red sea urchin, ...
Red Sea Urchin - Seafood Watch
Sep 3, 2008 ... report will focus on four particular fisheries in the US and Canada. ... The red sea urchin (Strongylocentrotus franciscanus) and the green sea ...
fact sheet-red-urchin - California Sea Grant
Jan 14, 2013 ... This largest species of sea urchin can grow to ... Red Sea Urchin, Strongylocentrotus franciscanus, ... California, red sea urchins must have a.
Sea Urchins - California Sea Urchin Commission
Alaska. The primary target species is the red sea urchin, Strongylocentrotus franciscanus. I will concentrate on the unique features of the California fishery.
Sea Urchin Recruitment: Effect of Substrate Selection on Juvenile
distribution patterns could be influenced by any of three elements: substrate selection, early juvenile mortality or juvenile migration. ... The Pacific coast sea urchins Strongylocentrotus pur- puratus (purple sea urchin) and S. franciscanus ( red.
Fishery and Reproductive Cycle of the Red Sea Urchin, <italic
franciscanus. in British Columbia. J. Fish. Res. ... THe large red sea urchin, Strongylocentrotus fran- ciscanus ... ElTective management of this resollrce will re-.
Thermoregulatory Behavior of Red Sea Urchin Strongylocentrotus
which all individuals (of a given species) can congregate, regardless to previous .... Red sea urchins, Strongylocentrotus franciscanus, that were exposed to a ...
The Effects Of Multiple Predators On the Size Structure of Red
The level and mode of predation on sea urchins can significantly impact the .... Size and abundance data of Strongylocentrotus franciscanus were collected.
The role of predation in regulating sea urchin populations - Archimer
The green sea urchin Strongylocentrotus droebachiensis is the dominant grazer .... tors, like lobsters, can not control sea urchin populations. Keats et al. ( 1986) ..... viour of juvenile red sea urchins, Strongylocentrotus franciscanus. (Agassiz), J .
Gimme Shelter - Mike Nishizaki
... in the red sea urchin Strongylocentrotus franciscanus ... tionship between juvenile sheltering in the red sea urchin Strongylocentrotus franciscanus and three factors, water motion, risk of ... nisms that could influence juvenile recruitment: (1).
Moving from Data Poor to Data Rich: A Case Study of - BioOne
Nov 7, 2008 ... The goal of the program is to collect data that will support periodical stock assessments needed for ... including red sea urchins Strongylocentrotus francis- canus ...... (Strongylocentrotus franciscanus and S. purpuratus) in.