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Genetic diversity of the European oyster (Ostrea edulis L.) in Nova Scotia: Comparison with other parts of Canada, Maine and Europe and implications for broodstock management ArchiMer
Vercaemer, Bénédikte; Spence, Koren R.; Herbinger, Christophe; Lapegue, Sylvie; Kenchington, Ellen L..
The European oyster (Ostrea edulis) was introduced to the Nova Scotia aquaculture industry 30 years ago using stocks imported from naturalized populations in Maine whose ancestors originated in the Netherlands. This study used 5 microsatellites to assess the level of genetic diversity in several hatchery stocks and naturalized populations from Nova Scotia, New Brunswick, British Columbia and Maine. Some genetic erosion was shown to have occurred in the Maritimes populations, with the largest loss of alleles being experienced by the hatchery stocks. In spite of this loss, genetic diversity and heterozygosity in the Maritimes populations are still relatively high. Relationships within and between the populations and the existence of kin groups within the...
Tipo: Text Palavras-chave: Genetic diversity; Maine; Microsatellites; Flat oyster; European oyster; Ostrea edulis.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-2121.pdf
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The Evolution of the Maine Lobster V-Notch Practice: Cooperation in a Prisoner's Dilemma Game Ecology and Society
Acheson, James; Department of Anthropology and School of Marine Sciences, University of Maine; acheson@maine.edu; Gardner, Roy; Department of Economics, Indiana University; gardner@indiana.edu.
Tipo: Peer-Reviewed Reports Palavras-chave: Collective action; Evolutionary game theory; Lobster; Maine; Prisoner's dilemma; V-notch program.
Ano: 2011
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Weak feedbacks, governance mismatches, and the robustness of social-ecological systems: an analysis of the Southwest Nova Scotia lobster fishery with comparison to Maine Ecology and Society
Barnett, Allain J. ; Arizona State University; ajbarnet@asu.edu; Anderies, John M; Arizona State University; m.anderies@asu.edu.
The insights in Governing the Commons have provided foundational ideas for commons research in the past 23 years. However, the cases that Elinor Ostrom analyzed have been exposed to new social, economic, and ecological disturbances. What has happened to these cases since the 1980s? We reevaluated one of Ostrom’s case studies, the lobster and groundfishery of Port Lameron, Southwest Nova Scotia (SWNS). Ostrom suggested that the self-governance of this fishery was fragile because the government did not recognize the rights of resource users to organize their own rules. In the Maine lobster fishery, however, the government formalized customary rules and decentralized power to fishing ports. We applied the concepts of feedback, governance...
Tipo: Peer-Reviewed Reports Palavras-chave: Atlantic Canada; Collective choice; Institutional analysis; Lobster; Maine; Polycentricity; Robustness.
Ano: 2014
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