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Is it possible to identify habitat for a rare species: Shortjaw cisco (Coregonus zenithicus) in Lake Huron as a case study.

机译:是否有可能确定一种稀有物种的栖息地:以休伦湖为例的短颚c(Coregonus zenithicus)为例。

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摘要

The Committee on the Status of Endangered Wildlife in Canada has recommended that Shortjaw cisco (Coregonus zenithicus) be listed under the Species at Risk Act; if listed the species will receive legal protection, including its 'critical habitat'. Shortjaw cisco provides a case study for the feasibility of habitat identification for threatened species. Competing habitat use models were developed from three available physical habitat variables (Water Depth, Slope and Distance to Cliff) and were evaluated using binary logistic regression and Akaike information criteria. Of the habitat factors examined, Water Depth was the most important variable explaining the distribution of shortjaw cisco in Lake Huron. However, water depth information alone cannot identify habitat for this taxonomically uncertain and rare species in Lake Huron. Therefore, it is recommended that future studies of shortjaw cisco habitat use study locations where shortjaw cisco are still abundant and include depth as a variable along with variables in future models.
机译:加拿大濒危野生动植物状况委员会建议将短颚c(Coregonus zenithicus)列入《濒危物种法》;如果列出,该物种将受到法律保护,包括其“关键栖息地”。 Shortjaw cisco提供了一个案例研究,来确定濒危物种的栖息地。从三个可用的自然栖息地变量(水深,坡度和到悬崖的距离)建立了竞争性栖息地使用模型,并使用二元逻辑回归和Akaike信息标准对其进行了评估。在检查的栖息地因素中,水深是解释休伦湖短爪思科分布的最重要变量。但是,仅靠水深信息无法确定休伦湖中该分类学上不确定和稀有物种的栖息地。因此,建议以后对短毛c栖息地进行研究时,应使用短毛c仍然丰富的研究地点,并将深度作为变量以及将来模型中的变量。

著录项

  • 作者

    Naumann, Benjamin T.;

  • 作者单位

    University of Guelph (Canada).;

  • 授予单位 University of Guelph (Canada).;
  • 学科 Biology Ecology.;Agriculture Fisheries and Aquaculture.;Biology Zoology.
  • 学位 M.Sc.
  • 年度 2009
  • 页码 34 p.
  • 总页数 34
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 生态学(生物生态学);动物学;水产、渔业;
  • 关键词

  • 入库时间 2022-08-17 11:38:27

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