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Identifying Optimal Stocking Strategies to Support Recovery of an Endemic Lake Sucker.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Identifying Optimal Stocking Strategies to Support Recovery of an Endemic Lake Sucker./
作者:	Fonken, Dale R.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
面頁冊數:	43 p.
附註:	Source: Masters Abstracts International, Volume: 83-09.
Contained By:	Masters Abstracts International83-09.
標題:	Water resources management. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29061048
ISBN:	9798209895268

Identifying Optimal Stocking Strategies to Support Recovery of an Endemic Lake Sucker.
Fonken, Dale R.

Identifying Optimal Stocking Strategies to Support Recovery of an Endemic Lake Sucker. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 43 p.

Source: Masters Abstracts International, Volume: 83-09.

Thesis (M.S.)--Utah State University, 2022.

This item must not be sold to any third party vendors.

Endemic fishes in the intermountain west experienced significant population declines in the 20th century due to a variety of disturbances, including habitat fragmentation, water development, and the introduction of non-native, predatory fish species. The combination of habitat degradation with increased predation risk can severely limit natural recruitment for native fish species, and in response, fisheries manager shave employed a variety of recovery strategies to prevent extinction. Among the most prominent strategies is artificial propagation and subsequent release of individuals into the natural environment (i.e., stocking). Artificial propagation is an expensive endeavor, and when not coupled with a research component, can lead to poor post-stocking survival and inefficient use of limited recovery resources. The June sucker, an imperiled species endemic to Utah Lake, UT, has been supplemented through artificial propagation since the 1990s. Approximately 800,000 June suckers have been stocked from multiple sources at varying sizes and across different seasons. Here, I analyzed the effects of stocking origin, size, and season on post-stocking survival for June suckers. Additionally, because the goal of hatchery programs is to maximize efficiency, I examined costs and benefits of stocking different sizes of fish. In doing so, I highlight operational changes that will more effectively augment adult abundance, which in turn will reduce extinction risk for the June sucker and other imperiled fish species in the intermountain west.

ISBN: 9798209895268Subjects--Topical Terms:

794747
Water resources management.
Subjects--Index Terms:

Conservation

Identifying Optimal Stocking Strategies to Support Recovery of an Endemic Lake Sucker.
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