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Book valuation du stock canadien de phoques gris Halichoerus grypus

Download or read book valuation du stock canadien de phoques gris Halichoerus grypus written by Institut Maurice-Lamontagne and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book valuation du stock canadien de phoques gris Halichoerus grypus

Download or read book valuation du stock canadien de phoques gris Halichoerus grypus written by Secrétariat canadien de consultation scientifique and published by . This book was released on 2014 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book valuation des stocks de phoques du groenland dans l Atlantique nord ouest Pagophilus groenlandicus

Download or read book valuation des stocks de phoques du groenland dans l Atlantique nord ouest Pagophilus groenlandicus written by Canada. Ministère des pêches et des océans. Région du Québec and published by . This book was released on 2005 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Changements dans la croissance et dans la reproduction du phoque gris halichoerus grypus du Nord Ouest de l Atlantique

Download or read book Changements dans la croissance et dans la reproduction du phoque gris halichoerus grypus du Nord Ouest de l Atlantique written by Hélène Dussault (Biologiste) and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Phoque du Groenland de l Atlantique nord ouest

Download or read book Phoque du Groenland de l Atlantique nord ouest written by and published by . This book was released on 2000 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book D termination de l impact de la pr dation des phoques gris Halichoerus grypus sur le potentiel de r cup ration des stocks de poissons de fond dans le sud du golfe du Saint Laurent

Download or read book D termination de l impact de la pr dation des phoques gris Halichoerus grypus sur le potentiel de r cup ration des stocks de poissons de fond dans le sud du golfe du Saint Laurent written by Aline Carrier and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In addition to the diet scenarios, four simulations of strategic removals representing a decrease of 0%, 25%, 50 %, or 75 % of male grey seals biomass were performed. The simulations showed that cod and other commercial fish stocks would increase. However, the biomass of cod would not return to pre-collapse levels. Other intermediate trophic groups would benefit from this removal, such as small pelagic fishes. These groups may induce more negative trophic relations, which would explain the non-recovery groundfish stocks and indicate that additional management activities would be needed. -- Mot(s) clé(s) en anglais :Ecosystem model, Grey seal, Atlantic cod, predation, strategic removal, predator-prey relation. »--

Book volution spatio temporelle de la distribution de phoques gris Halichoerus grypus entre les Rivi res Saint Jean et Romaine dans l archipel de Mingan C te Nord Qu bec Canada

Download or read book volution spatio temporelle de la distribution de phoques gris Halichoerus grypus entre les Rivi res Saint Jean et Romaine dans l archipel de Mingan C te Nord Qu bec Canada written by Clothilde Küssener and published by . This book was released on 2003 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Utilisation de l habitat diff rentes chelles spatiales et temporelles par les phoques gris de l Atlantique Nord Ouest

Download or read book Utilisation de l habitat diff rentes chelles spatiales et temporelles par les phoques gris de l Atlantique Nord Ouest written by Valérie Harvey and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Multispecies Approaches to Fisheries Management Advice

Download or read book Multispecies Approaches to Fisheries Management Advice written by M. C. Mercer and published by . This book was released on 1982 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication comprises the proceedings of an international workshop convened in St. John's, Nfld, Nov. 26-29, 1979. The purpose of the workshop was to discuss the results of recent multispecies research, its applications to management, and to consider future directions for research in this field. A total of 26 papers were presented, including a combination of experience papers, state-of-the-art review, and new scientific findings. Sequential sessions were held on fisheries systems research by the Department of Fisheries and Oceans, multispecies considerations in fisheries research and management advice in the ICES area, species interactions in the Northeast Pacific and Northwest Atlantic, fisheries interactions, and applications to fisheries management. The workshop concluded with a substantial discussion of implications of present knowledge for advice to fisheries managers and implications for research program planning. The Workshop Report comprises the Chairman's opening remarks, a report on main elements of discussion in the sessions, and a summarization of workshop conclusions.