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Distribution, Density, Movement, and...

Fopma, Seth J.

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Distribution, Density, Movement, and Support for Management of Mountain Sucker, Pantosteus Jordani, in the Black Hills of South Dakota.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Distribution, Density, Movement, and Support for Management of Mountain Sucker, Pantosteus Jordani, in the Black Hills of South Dakota./
作者:	Fopma, Seth J.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
面頁冊數:	153 p.
附註:	Source: Dissertations Abstracts International, Volume: 82-03, Section: B.
Contained By:	Dissertations Abstracts International82-03B.
標題:	Wildlife management. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28088319
ISBN:	9798672130767

Distribution, Density, Movement, and Support for Management of Mountain Sucker, Pantosteus Jordani, in the Black Hills of South Dakota.
Fopma, Seth J.

Distribution, Density, Movement, and Support for Management of Mountain Sucker, Pantosteus Jordani, in the Black Hills of South Dakota. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 153 p.

Source: Dissertations Abstracts International, Volume: 82-03, Section: B.

Thesis (Ph.D.)--South Dakota State University, 2020.

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

Mountain Sucker, Pantosteus jordani, is a cold-water species native to the Intermountain West. Fringe populations of Mountain Sucker have experienced declines in recent decades. The population of Mountain Sucker found in the Black Hills of South Dakota represents the eastern fringe of the species' native range. Recognized as both an indicator of biologic health and as a species of greatest conservation need in South Dakota, recent studies have suggested significant declines in both distribution and abundance. Despite the recent study of Mountain Sucker in the region, increased understanding of Mountain Sucker ecology is needed to effectively manage for the conservation of this species. First, I assessed public perceptions towards the management of non-game, native species in the region. Traditional stream management has focused on the proliferation of non-native salmonids due to their recreational and economic value. Public support for management was generally positive for residents of the Black Hills region. Next, I assessed the general movements of Mountain Sucker. General movements were small, indicating high-sight fidelity and limited potential for recolonization of streams and locations where they have been extirpated. Third, we examined segment-scale habitat variable to predict distribution of Mountain Sucker throughout the Black Hills stream network in South Dakota. Previous work identified the importance of stream permanency in influencing Mountain Sucker occurrence, our results indicated that Mountains Sucker distributions were primarily impacted by mean August stream temperatures at the segment scale. We assessed the current distribution of Mountain Sucker in the Black Hills of South Dakota for comparison with the findings of the most recent research. Mountain Sucker were found in more drainages and at more locations than in the previous study, likely a result of increased detection probabilities associated with more intensive survey designs and repeated site visits. Finally, we assessed 25-year trends in Mountain Sucker density in historically sampled locations. General trends in density were negative; however, significant trends were only observed in three locations. Mountain Sucker appear to have been extirpated from three streams since the most resent assessment. Several sampling locations included high densities of Mountain Sucker that could serve as source populations for restoration efforts via translocation. Overall, this research provides insight into the status of Mountain Sucker in the Black Hills of South Dakota, and the level of public support of active management of this regionally imperiled species. Managers can use this information to guide potential conservation efforts, such as translocations.

ISBN: 9798672130767Subjects--Topical Terms:

571816
Wildlife management.
Subjects--Index Terms:

Conservation

Distribution, Density, Movement, and Support for Management of Mountain Sucker, Pantosteus Jordani, in the Black Hills of South Dakota.
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520 $a Mountain Sucker, Pantosteus jordani, is a cold-water species native to the Intermountain West. Fringe populations of Mountain Sucker have experienced declines in recent decades. The population of Mountain Sucker found in the Black Hills of South Dakota represents the eastern fringe of the species' native range. Recognized as both an indicator of biologic health and as a species of greatest conservation need in South Dakota, recent studies have suggested significant declines in both distribution and abundance. Despite the recent study of Mountain Sucker in the region, increased understanding of Mountain Sucker ecology is needed to effectively manage for the conservation of this species. First, I assessed public perceptions towards the management of non-game, native species in the region. Traditional stream management has focused on the proliferation of non-native salmonids due to their recreational and economic value. Public support for management was generally positive for residents of the Black Hills region. Next, I assessed the general movements of Mountain Sucker. General movements were small, indicating high-sight fidelity and limited potential for recolonization of streams and locations where they have been extirpated. Third, we examined segment-scale habitat variable to predict distribution of Mountain Sucker throughout the Black Hills stream network in South Dakota. Previous work identified the importance of stream permanency in influencing Mountain Sucker occurrence, our results indicated that Mountains Sucker distributions were primarily impacted by mean August stream temperatures at the segment scale. We assessed the current distribution of Mountain Sucker in the Black Hills of South Dakota for comparison with the findings of the most recent research. Mountain Sucker were found in more drainages and at more locations than in the previous study, likely a result of increased detection probabilities associated with more intensive survey designs and repeated site visits. Finally, we assessed 25-year trends in Mountain Sucker density in historically sampled locations. General trends in density were negative; however, significant trends were only observed in three locations. Mountain Sucker appear to have been extirpated from three streams since the most resent assessment. Several sampling locations included high densities of Mountain Sucker that could serve as source populations for restoration efforts via translocation. Overall, this research provides insight into the status of Mountain Sucker in the Black Hills of South Dakota, and the level of public support of active management of this regionally imperiled species. Managers can use this information to guide potential conservation efforts, such as translocations.
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