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Feasability of New Methods for Nurse...

Goodman, Lauren Shantel.

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Feasability of New Methods for Nursery Ground Identification for the Juvenile Blacktip Shark (Carcharhinus limbatus) Using Drone Technology - San Cristobal Island, Galapagos.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Feasability of New Methods for Nursery Ground Identification for the Juvenile Blacktip Shark (Carcharhinus limbatus) Using Drone Technology - San Cristobal Island, Galapagos./
Author:	Goodman, Lauren Shantel.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	97 p.
Notes:	Source: Masters Abstracts International, Volume: 82-01.
Contained By:	Masters Abstracts International82-01.
Subject:	Wildlife conservation. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27744365
ISBN:	9798635257302

Feasability of New Methods for Nursery Ground Identification for the Juvenile Blacktip Shark (Carcharhinus limbatus) Using Drone Technology - San Cristobal Island, Galapagos.
Goodman, Lauren Shantel.

Feasability of New Methods for Nursery Ground Identification for the Juvenile Blacktip Shark (Carcharhinus limbatus) Using Drone Technology - San Cristobal Island, Galapagos. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 97 p.

Source: Masters Abstracts International, Volume: 82-01.

Thesis (M.S.)--The University of North Carolina at Chapel Hill, 2020.

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

Understanding abundance patterns of megafauna critical to conservation planning and nursery designation in the marine environment. Traditionally, abundance of juvenile sharks around San Cristobal, Ecuador has been measured through gill-net. New methods utilizing can contribute and expand upon the process of defining nursery habitat through deployment as a tool following Heupel, Carlson & Simpfendorfer's (2007) definition stating necessity of higher density, residency, and fidelity. Monthly drone flights were performed in conjunction with gill-net surveys to compare efficacy of each method with ranked counts comparable across all sites (R = 0.54, p < 0.001) and disparities between methods indicating higher captured drone abundances. Preliminary models specify a correlation between captured drone abundances and environmental parameters, thus providing an indication of when and where we expect to find juvenile sharks. This new method has far-reaching conservation implications for the GMR, as we better capture population trends of an economically important species.

ISBN: 9798635257302Subjects--Topical Terms:

542165
Wildlife conservation.
Subjects--Index Terms:

Abundance

Feasability of New Methods for Nursery Ground Identification for the Juvenile Blacktip Shark (Carcharhinus limbatus) Using Drone Technology - San Cristobal Island, Galapagos.
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520 $a Understanding abundance patterns of megafauna critical to conservation planning and nursery designation in the marine environment. Traditionally, abundance of juvenile sharks around San Cristobal, Ecuador has been measured through gill-net. New methods utilizing can contribute and expand upon the process of defining nursery habitat through deployment as a tool following Heupel, Carlson & Simpfendorfer's (2007) definition stating necessity of higher density, residency, and fidelity. Monthly drone flights were performed in conjunction with gill-net surveys to compare efficacy of each method with ranked counts comparable across all sites (R = 0.54, p < 0.001) and disparities between methods indicating higher captured drone abundances. Preliminary models specify a correlation between captured drone abundances and environmental parameters, thus providing an indication of when and where we expect to find juvenile sharks. This new method has far-reaching conservation implications for the GMR, as we better capture population trends of an economically important species.
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