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Low genetic variability in the Hawaiian monk seal

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KRETZMANN, Maria B., William G. GILMARTIN, Axel MEYER, Gerard P. ZEGERS, Steven R. FAIN, Bruce F. TAYLOR, Daniel P. COSTA, 1997. Low genetic variability in the Hawaiian monk seal. In: Conservation Biology. 11(2), pp. 482-490. ISSN 0888-8892. eISSN 1523-1739

@article{Kretzmann1997genet-7141, title={Low genetic variability in the Hawaiian monk seal}, year={1997}, number={2}, volume={11}, issn={0888-8892}, journal={Conservation Biology}, pages={482--490}, author={Kretzmann, Maria B. and Gilmartin, William G. and Meyer, Axel and Zegers, Gerard P. and Fain, Steven R. and Taylor, Bruce F. and Costa, Daniel P.} }

<rdf:RDF xmlns:dcterms="" xmlns:dc="" xmlns:rdf="" xmlns:bibo="" xmlns:dspace="" xmlns:foaf="" xmlns:void="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dcterms:hasPart rdf:resource=""/> <dc:contributor>Fain, Steven R.</dc:contributor> <dc:contributor>Meyer, Axel</dc:contributor> <dcterms:title>Low genetic variability in the Hawaiian monk seal</dcterms:title> <dc:rights>Attribution-NonCommercial-NoDerivs 2.0 Generic</dc:rights> <dc:creator>Kretzmann, Maria B.</dc:creator> <dspace:isPartOfCollection rdf:resource=""/> <dcterms:bibliographicCitation>First publ. in: Conservation Biology 11 (1997), 2, pp. 482-490</dcterms:bibliographicCitation> <dcterms:issued>1997</dcterms:issued> <dcterms:isPartOf rdf:resource=""/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:contributor>Taylor, Bruce F.</dc:contributor> <dc:creator>Fain, Steven R.</dc:creator> <dc:format>application/pdf</dc:format> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:contributor>Kretzmann, Maria B.</dc:contributor> <dc:contributor>Costa, Daniel P.</dc:contributor> <dc:creator>Taylor, Bruce F.</dc:creator> <dc:creator>Gilmartin, William G.</dc:creator> <dc:contributor>Gilmartin, William G.</dc:contributor> <dc:language>eng</dc:language> <dc:creator>Zegers, Gerard P.</dc:creator> <dcterms:available rdf:datatype="">2011-03-24T17:32:11Z</dcterms:available> <dcterms:abstract xml:lang="eng">The Hawaiian monk seal ( Monachus schauinslandi) is a critically endangered species that has failed to recover from human exploitation despite decades of protection and ongoing management efforts designed to increase population growth. The seals breed at five principal locations in the northwestern Hawaiian islands, and inter-island migration is limited. Genetic variation in this species is expected to be low due to a recent population bottleneck and probable inbreeding within small subpopulations. To test the hypothesis that small population size and strong site fidelity has led to low within-island genetic variability and significant between-island differentiation, we used two independent approaches to quantify genetic variation both within and among the principal subpopulations. Mitochondrial control region and tRNA gene sequences (359 base pairs) were obtained from 50 seals and revealed very low genetic diversity (0.6% variable sites), with no evidence of subpopulation differentiation. Multilocus DNA fingerprints from 22 individuals also indicated low genetic variation in at least some subpopulations (band-sharing values for "unrelated" seals from the same island ranged from 49 to 73%). This method also provided preliminary evidence of population subdivision ( F'st estimates of 0.20 and 0.13 for two adjacent island pairs). Translocations of seals among islands may therefore have the potential to relieve local inbreeding and possibly to reduce the total amount of variation preserved in the population. Genetic variation is only one of many factors that determine the ability of an endangered species to recover. Maintenance of existing genetic diversity, however, remains an important priority for conservation programs because of the possibility of increased disease resistance in more variable populations and the chance that inbreeding depression may only be manifest under adverse environmental conditions.</dcterms:abstract> <bibo:uri rdf:resource=""/> <dc:creator>Costa, Daniel P.</dc:creator> <dc:creator>Meyer, Axel</dc:creator> <dc:date rdf:datatype="">2011-03-24T17:32:11Z</dc:date> <dc:contributor>Zegers, Gerard P.</dc:contributor> <dcterms:rights rdf:resource=""/> <dspace:hasBitstream rdf:resource=""/> </rdf:Description> </rdf:RDF>

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