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Bathymetric-based habitat model for ...

Mumm, Joshua D.

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Bathymetric-based habitat model for yelloweye rockfish (Sebastes ruberrimus) on Alaska's outer Kenai Peninsula.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Bathymetric-based habitat model for yelloweye rockfish (Sebastes ruberrimus) on Alaska's outer Kenai Peninsula./
作者:	Mumm, Joshua D.
面頁冊數:	114 p.
附註:	Source: Masters Abstracts International, Volume: 55-03.
Contained By:	Masters Abstracts International55-03(E).
標題:	Geographic information science and geodesy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10017960
ISBN:	9781339506401

Bathymetric-based habitat model for yelloweye rockfish (Sebastes ruberrimus) on Alaska's outer Kenai Peninsula.
Mumm, Joshua D.

Bathymetric-based habitat model for yelloweye rockfish (Sebastes ruberrimus) on Alaska's outer Kenai Peninsula. - 114 p.

Source: Masters Abstracts International, Volume: 55-03.

Thesis (M.S.E.S.)--Alaska Pacific University, 2015.

Motivated primarily as part of a habitat-based stock assessment, we explored the feasibility of modeling yelloweye rockfish (Sebastes ruberrimus) habitat in Southcentral Alaska using high-resolution multibeam bathymetry. A generalized linear model was developed with bathymetrically derived terrain metrics (rugosity, slope, bathymetric position index, and distance-to-rock) as predictor variables. The model was parameterized and validated using remotely operated vehicle observations. When evaluated for the Chiswell Island training area, the model correctly classified 96.0% (n = 100) of a reserved set of presence/absence validation points (Cohen's Kappa = 0.92; AUC = 0.98). When evaluated for the independent Nuka Island testing area, the overall accuracy was 82.5% (n=332; Kappa = 0.65; AUC = 0.95). This study demonstrates that suitable yelloweye habitat can be modeled with reasonable accuracy using high-resolution multibeam bathymetry, and such a model is fairly portable among sites along the Kenai Peninsula's outer coast.

ISBN: 9781339506401Subjects--Topical Terms:

2122917
Geographic information science and geodesy.

Bathymetric-based habitat model for yelloweye rockfish (Sebastes ruberrimus) on Alaska's outer Kenai Peninsula.
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