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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Using noninvasive genetic sampling to assess and monitor grizzly bear population status in the northern continental divide ecosystem

Stetz, Jeffrey Brian. January 2008 (has links) (PDF)
Thesis (M.S.) -- University of Montana, 2008. / Title from author supplied metadata. Description based on contents viewed on June 19, 2009. ETD number: etd-01142009-131434. Includes bibliographical references.
2

An evaluation of catchability and changes in seasonal catch rates of five Wisconsin game fishes /

Schoenebeck, Casey Walter. January 2004 (has links) (PDF)
Thesis (M.S.), Natural Resources / Fisheries, University of Wisconsin--Stevens Point, 2004. / Includes bibliographical references (leaves 53-58).
3

Uncertainty in the management of activities affecting marine mammal populations : the tuna-dolphin conflict, a case study /

Alvarez-Flores, Carlos M., January 2002 (has links)
Thesis (Ph. D.)--University of Washington, 2002. / Vita. Includes bibliographical references (leaves 146-157).
4

Role of social network structure in the governance of Great Lakes transboundary fish stocks

Leonard, Nancy Jacynthe. January 2008 (has links)
Thesis (PH.D.)--Michigan State University. Fisheries and Wildlife, 2008. / Title from PDF t.p. (viewed on Aug. 28, 2009) Includes bibliographical references. Also issued in print.
5

Applying random utility modeling to recreational fishing in Oregon : effects of forest management alternatives on steelhead production in the Elk River watershed /

Alexander, Susan J. January 1995 (has links)
Thesis (Ph. D.)--Oregon State University, 1995. / Typescript (photocopy). Includes bibliographical references (leaves 91-97). Also available on the World Wide Web.
6

Temporal dynamics of genetic variation within the Escanaba Lake walleye population : implications for managing the genetic resources of naturally recruiting walleye populations /

Franckowiak, Ryan Patrick. January 2005 (has links) (PDF)
Thesis (M.S.)--University of Wisconsin--Stevens Point. / Includes bibliographical references (leaves 56-66).
7

Modeling the sustainability of walleye populations in northern Wisconsin lakes /

Schueller, Amy M. January 2005 (has links) (PDF)
Thesis (M.S.--University of Wisconsin--Stevens Point, 2005. / Includes bibliographical references (leaves 59-68).
8

Herbivore dynamics in the Mara area of Kenya : the effects of land use change, climate, and predators /

Ogutu, Joseph O., January 2000 (has links)
Thesis (doctoral)--Humboldt-Universität zu Berlin, 1999. / Includes bibliographical references (p. 243-257).
9

The relative performance of surrogate measures for viable populations

Solomon, Mariaan. January 2000 (has links)
Thesis (M.Sc.(Zoology))--University of Pretoria, 2000. / Abstract in English. Includes bibliographical references.
10

Reintrodução de mutuns-do sudeste Cra blumenbachii (Cracidade) na mata atlântica da Reserva Ecológica de Guapiaçu (Cachoeiras de Macacu, RJ, Brasil)

Bernardo, Christine Steiner São [UNESP] 21 May 2010 (has links) (PDF)
Made available in DSpace on 2014-06-11T19:35:44Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-05-21Bitstream added on 2014-06-13T20:26:46Z : No. of bitstreams: 1 bernardo_css_dr_rcla.pdf: 3228470 bytes, checksum: 414867adb71129f9f2d1098a358ca26e (MD5) / Universidade Estadual Paulista (UNESP) / A reintrodução de indivíduos em locais adequados e uma ferramenta importante para o restabelecimento de populações ameaçadas, em áreas onde previamente ocorriam. Contudo, populações recém-reintroduzidas frequentemente sofrem alta mortalidade. Assim, uma espécie reintroduzida deve ser monitorada, a obtenção de dados relevantes que evidenciem sucesso ou falha do projeto, para melhorar as estratégias futuras de reintrodução. O mutum-do-sudeste Crax blumenbachii (Galliformes, Cracidae) é endêmico da parte sudeste da Mata Atlântica brasileira. Atualmente é considerado em perigo de extinção, devido principalmente à caça e à destruição do habitat. Programas de reintrodução da espécie foram realizados na década de 1990, mas atualmente poucos dados publicados existem sobre o sucesso ou falha destes projetos. Os objetivos foram 1) identificar causas de mortalidade de mutuns-do-sudeste reintroduzidos, durante a fase de adaptação no viveiro e após a liberação; (2) detectar o período de maior vulnerabilidade dos animais após a liberação; (3) analisar possíveis diferenças na probabilidade de sobrevivência entre sexos, grupos de liberação e comportamento manso/arisco; (4) estimar o tamanho de área de vida de mutuns-do-sudeste reintroduzidos, levando em consideração alguns fatores como o sexo, idade, dominância/ submissão, comportamento manso/arisco e tempo de monitoramento; (5) analisar padrões na fidelidade à area de vida; (6) verificar se houve interação social entre mutuns-do­sudeste e (7) identificar padrões no uso de habitats. Entre agosto de 2006 e outubro de 2008, 53 mutuns-do-sudeste nascidos em cativeiro (CRAX, Contagem, MG, Brasil), portando rádio-transmissor VHF do tipo mochila, foram transferidos para a Reserva Ecológica de Guapiaçu (REGUA, Cachoeiras de Macacu, RJ, Brasil) . Durante o período de adaptação, cinco aves morreram no viveiro... (Resumo completo clicar acesso eletrônico abaixo / Reintroduction of individuals into suitable habitat is an important technique for the restoration of endangered species populations in areas where they once existed. However, newly re-established populations often experience significantly higher mortality probability following reintroduction. Careful considerations must therefore be given to the release and monitoring of individuals to obtain relevant data on the success and failure of reintroduction projects to improve future reintroduction strategies. The Red-billed Curassow Crax blumenbachii (Galliformes, Cracidae) is an endemic bird species restricted to the southeast Atlantic rainforest. The species is currently endangered due to severe hunting and habitat loss. Reintroduction programs are currently underway to help restore wild populations, but to date, few data exist regarding the success of failure of these reintroductions. The aims of this research are: 1) to identify principal causes of mortality of reintroduced birds during the adaptation period in the release pen, and post-release; (2) to identify periods of vulnerability for birds post-release; (3) to analyze variations in survival probabilities between gender, different reintroduced groups, and between individuals exhibiting dominant or submissive behavioral traits; (4) to assess factors influencing variation in , home range size estimation; (5) to identify patterns of home range fidelity; (6) to quantify social interaction between individuals; (7) to identify patterns of habitat usage. Between August 2006 and October 2008, 53 birds were transport from the CRAX breeding center at Contagem to the Reserva Ecológica de Guapiaçu (REGUA), and were fitted with backpack transmitters. During the adaptation period in the release pen, five birds died due to dominance behavior of some individuals. There was annual survival probability post-release of 76%... (Complete abstract click electronic access below)

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