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Mollusca Non-Grata: The influence of...

Grason, Emily W.

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Mollusca Non-Grata: The influence of top-down control and residence time on the abundance, distribution, and behavior of non-native marine snails in Washington State.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Mollusca Non-Grata: The influence of top-down control and residence time on the abundance, distribution, and behavior of non-native marine snails in Washington State./
作者:	Grason, Emily W.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
面頁冊數:	100 p.
附註:	Source: Dissertation Abstracts International, Volume: 78-01(E), Section: B.
Contained By:	Dissertation Abstracts International78-01B(E).
標題:	Biology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10138626
ISBN:	9781339941837

Mollusca Non-Grata: The influence of top-down control and residence time on the abundance, distribution, and behavior of non-native marine snails in Washington State.
Grason, Emily W.

Mollusca Non-Grata: The influence of top-down control and residence time on the abundance, distribution, and behavior of non-native marine snails in Washington State. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 100 p.

Source: Dissertation Abstracts International, Volume: 78-01(E), Section: B.

Thesis (Ph.D.)--University of Washington, 2016.

Invasive species can cause complex, unpredictable changes in ecological community dynamics because they do not share a long evolutionary history with resident species, meaning interactions could be much stronger or weaker than expected. For instance, invasive species often face a suite of both novel potential predators, and novel potential prey, but might not have the ability to recognize or respond appropriately (i.e., to increase fitness). The success or failure of recognition and response in novel predator-prey systems influences the probability of invasions success and the ecological dynamics that follow. Invasive species that fail to respond adaptively to novel, native predators, might persist in only a limited portion of their potential non-native range at low abundances. Conversely, invasive prey with effective defenses could reduce the efficacy of biotic resistance by native predators. The ability of native predators to recognize and overcome such defenses in invasive prey also influences the strength of biotic resistance.

ISBN: 9781339941837Subjects--Topical Terms:

522710
Biology.

Mollusca Non-Grata: The influence of top-down control and residence time on the abundance, distribution, and behavior of non-native marine snails in Washington State.
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520 $a Through a combination of field and laboratory studies, I explored how native predatory crabs influence the abundance, distribution, and behavior of four species of non-native marine snail, and consider possible outcomes in conservation of native species. All four species of snail are successful invaders in Washington State nearshore systems, despite the fact that this region has a relatively high richness of large native predatory crabs that could confer biotic resistance against these species. (Abstract shortened by ProQuest.).
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