Download or read book Population Genetic Structure and Habitat Use of the St Lawrence Beluga Whale Delphinapterus Ieucas written by Mubrouka M. Elharram and published by . This book was released on 2011 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Information Relevant to the Documentation of Habitat Use by St Lawrence Beluga Delphinapterus Leucas and Quantification of Habitat Quality written by Arnaud Mosnier and published by . This book was released on 2009 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book St Lawrence Beluga Recovery Plan written by St. Lawrence Beluga Recovery Team and published by . This book was released on 1995 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document reviews the current state of knowledge about St. Lawrence belugas, recommends a series of actions for ensuring their survival and proposes an implementation schedule. The goal of the Recovery Plan is to bring population numbers and conditions to a state where natural event and human activities will not threaten the survival of the St. Lawrence beluga whale population. A subsidiary goal is to improve the status from endangered to vulnerable, as defined by COSEWIC.
Download or read book Beluga Whale Delphinapterus leucas written by Véronique Lesage and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Use of DNA Microsatellites in Beluga Whale Delphinapterus Leucas Population Genetics written by L. D. Maiers and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ledelsesprincipper for forsvaret written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Population Genetics of Hudson Bay Beluga Whales Delphinapterus Leucas written by Samuel John Mancuso and published by . This book was released on 1995 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Use of DNA Microsatellites in Beluga Whale Delphinapterus Leucas Population Genetics written by Canada. Department of Fisheries and Oceans. Central and Arctic Region and published by Department of Fisheries and Oceans, Central and Arctic Region. This book was released on 1996 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monitoring the State of the St Lawrence River Beluga Whale Population of the Estuary written by Canada. Environment Canada and published by Sainte-Foy, Québec : St. Lawrence Vision 2000. This book was released on 2002 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Vocal Repertoire of the St Lawrence Estuary Population of Beluga Whale Delphinapterus Leucas and Its Behavioral Social and Environmental Contexts microform written by Annick Faucher and published by National Library of Canada. This book was released on 1989 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Beluga Habitats in the St Lawrence written by R. Michaud and published by . This book was released on 1990 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Population Genetic Structure of Beluga Whales Delphinapterus Leucus written by Ree Brennin and published by . This book was released on 1992 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The St Lawrence and Its B lugas written by Plourde, Suzie and published by [Sainte-Foy] : Société linnéenne du Québec. This book was released on 1990* with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Acoustic Monitoring of Beluga Whales Delphinapterus Leucas written by Karyn Booy and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acoustic monitoring is an effective means by which to study cetaceans, such as beluga whales (Delphinapterus leucas), and can be useful in determining habitat preference and geographic variation among populations. Acoustic monitoring data were analyzed using a combination of automated detection and manual analysis to determine habitat preference of Cumberland Sound beluga in their summering range. Belugas were primarily detected in the northernmost site in Clearwater Fiord, with diel variation in call patterns at two separate sites in different years. No correlation was evident between tidal cycles and beluga detections. A second study examined geographic variation in simple contact calls (SCC's) among four Canadian beluga populations. Results indicate variation in the measured parameters (duration, peak frequency and pulse repetition rate) among four populations and align with genetic variation previously described in the literature. These findings provide important information necessary for the conservation and management of beluga populations in Canada.
Download or read book Recovery Strategy for the Beluga Whale Delphinapterus Leucas St Lawrence Estuary Population in Canada written by and published by . This book was released on 2012 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: The St. Lawrence Estuary beluga population was listed as threatened under SARA in May 2005. In 1986, Fisheries and Oceans Canada set up the Ad Hoc Committee for the conservation of the St. Lawrence beluga, the objectives of which were to identify factors that threatened the population's survival and to make recommendations to favour its recovery. This project was carried out jointly by Fisheries and Oceans Canada and Environment Canada from 1988 to 1993 as part of the St. Lawrence Action Plan (SLAP), with the following objectives: to minimize disturbance to the beluga population, to combat the discharge and spread of toxic chemical products, and to conduct further research on the beluga. A fourth objective was added in 1989: to facilitate public access to information in order to raise awareness in Canada and Quebec of the St. Lawrence beluga. This document includes information about recovery and background of the beluga whale in the St. Lawrence Estuary.--Includes text from document.
Download or read book Marine Protected Areas for Whales Dolphins and Porpoises written by Erich Hoyt and published by Earthscan. This book was released on 2012 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Erich Hoyt's handbook is an admirable, timely and highly welcome contribution.'Michael Stachowitsch, Marine EcologyWhat does it mean to save the whales if their habitat is left unprotected? Marine Protected Areas for Whales, Dolphins and Porpoises is the definitive handbook on this pressing issue and the first to bridge the gap between the disciplines of marine protected areas and cetacean conservation. It launches a new chapter in cetacean conservation with its investigation into the crucial habitat needs and protection requirements of some 84 species.The author, one of the world's foremost experts in this field, takes you around the world to investigate the promising results of the latest conservation research and the strategies for obtaining marine protected areas in coastal waters and on the high seas, using national legislation and regional and international conventions. This is an essential introduction, guide and reference work for those working to ensure a future for whales and dolphins.
Download or read book Genetic Diversity Population Structure and Phylogeography Among Belugas Delphinapterus Leucas in Canadian Waters written by Lianne Postma and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis examines the genetic diversity, population structure and phylogeography of belugas (Delphinapterus leucas) in Canadian waters that encounter multiple stressors throughout their seasonal distributions. Data were collected from multiple scales, including: samples covering a temporal scale of 25 years; broad geographic comparisons to finer-scale, within-group comparisons; and varying amounts of genetic information from partial mtDNA sequences to whole mitogenome sequences, and multiple nuclear microsatellite loci. At least nine genetically distinct summer aggregations, with an additional distinct winter sample collection of unknown summer distribution, were identified. This information contributed to the identification of Designatable Units (DUs) of belugas for future assessments by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC). Phylogenetic analyses of mtDNA sequences revealed that the most divergent lineages are found at the east, west and southern edges of the Canadian distribution, with the central area characteristic of a contact zone displaying an admixture of lineages marked by incomplete lineage sorting. The geographic distribution of these lineages suggests multiple glacial refugia as sources of ancestral beluga populations that recolonized Canadian Arctic and sub-Arctic waters. Preliminary tests of selection detected the presence of purifying selection on all mtDNA protein-coding genes of belugas. However, no signals of adaptive selection were detected among genetic lineages or geographic groups. Within nearshore summer aggregations of Beaufort Sea belugas, three distinct maternal lineages were identified and patterns of genetic relatedness suggest clusters of related females form in the overall area. However, these clusters of related belugas did not form fine-scale kin structure corresponding to aggregation/harvesting locations. Thus, disturbances and subsistence harvesting in particular areas where belugas are aggregating will not be necessarily putting a discrete genetic unit of the stock at risk. These results provide a better understanding of the diversity and spatial differentiation among and within Canadian beluga stocks, inferences about past responses to climate changes, approaches to investigate fine-scale structure within seasonal aggregations, and new tools to infer adaptive potential of these whales. This information, and studies of beluga fossils plus additional samples across global distributions, will improve conservation and management planning for this culturally important and charismatic species.
