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Habitats and the animals that love t...

Battin, James.

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Habitats and the animals that love them: Avian habitat selection in a post-restoration landscape.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Habitats and the animals that love them: Avian habitat selection in a post-restoration landscape./
作者:	Battin, James.
面頁冊數:	134 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0040.
Contained By:	Dissertation Abstracts International65-01B.
標題:	Biology, Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3118479

Habitats and the animals that love them: Avian habitat selection in a post-restoration landscape.
Battin, James.

Habitats and the animals that love them: Avian habitat selection in a post-restoration landscape. - 134 p.

Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0040.

Thesis (Ph.D.)--Northern Arizona University, 2003.

A growing body of evidence suggests that animals faced with certain forms of rapid, anthropogenic habitat change fail to assess their new environment accurately and make poor habitat selection decisions, sometimes even selecting poor habitats over available high-quality habitats, a phenomenon known as the “ecological trap”. A review of the ecological trap literature reveals that, while all ecological trap studies are open to other interpretations, taken as a whole, they strongly suggest that traps exist and may be common features in some areas.Subjects--Topical Terms:

1017726
Biology, Ecology.

Habitats and the animals that love them: Avian habitat selection in a post-restoration landscape.
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245 1 0 $a Habitats and the animals that love them: Avian habitat selection in a post-restoration landscape.
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500 $a Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0040.
500 $a Chair: Thomas D. Sisk.
502 $a Thesis (Ph.D.)--Northern Arizona University, 2003.
520 $a A growing body of evidence suggests that animals faced with certain forms of rapid, anthropogenic habitat change fail to assess their new environment accurately and make poor habitat selection decisions, sometimes even selecting poor habitats over available high-quality habitats, a phenomenon known as the “ecological trap”. A review of the ecological trap literature reveals that, while all ecological trap studies are open to other interpretations, taken as a whole, they strongly suggest that traps exist and may be common features in some areas.
520 $a A recent spate of deterministic models of the ecological trap phenomenon indicate that traps have severe consequences for animal populations, often leading to population extinction, results that contrast strongly with the predictions of the source-sink models that have come to dominate the study of animal population dynamics in heterogeneous landscapes. My own stochastic simulation model of an ecological trap, the first of its kind, demonstrates that spatial structure moderates the negative effects of ecological traps, but stochasticity in growth rates tends to push populations into an extinction spiral.
520 $a I examined the relationship between habitat selection and habitat quality in the plumbeous vireo (<italic>Vireo plumbeus</italic>) in a landscape undergoing rapid habitat alteration in the form of ponderosa pine forest restoration, a program of forest thinning and burning designed to restore forests to a condition similar to that in which they existed prior to European settlement of the Southwest. Vireos selected habitat based on the presence of Gambel oak trees, but habitat quality was determined by the restoration treatment, in which birds experienced higher nest success than in untreated forest.
520 $a Finally, I studied the impact of the novel edge type created by the forest restoration treatment—the edge between treated and untreated forest—on a suite of passerine bird species. Edges had little effect on bird abundance in treated forest but a considerable effect in untreated forest. This pattern mirrored changes in microclimate found in another study at the same edges.
590 $a School code: 0391.
650 4 $a Biology, Ecology. $3 1017726
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791 $a Ph.D.
792 $a 2003
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