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Using Ocean Circulation Models to Ex...

DuBois, Morgan Jaime.

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Using Ocean Circulation Models to Explore Factors Influencing Variability in Hatchling Sea Turtle Dispersal.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Using Ocean Circulation Models to Explore Factors Influencing Variability in Hatchling Sea Turtle Dispersal./
Author:	DuBois, Morgan Jaime.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	75 p.
Notes:	Source: Masters Abstracts International, Volume: 81-11.
Contained By:	Masters Abstracts International81-11.
Subject:	Biology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27830428
ISBN:	9798643174257

Using Ocean Circulation Models to Explore Factors Influencing Variability in Hatchling Sea Turtle Dispersal.
DuBois, Morgan Jaime.

Using Ocean Circulation Models to Explore Factors Influencing Variability in Hatchling Sea Turtle Dispersal. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 75 p.

Source: Masters Abstracts International, Volume: 81-11.

Thesis (M.S.)--The University of West Florida, 2020.

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

When sea turtles hatch, they journey offshore to the open ocean. Currents are one of the factors that influence the success of this journey. The spatial ecology influencing hatchling turtles must be evaluated to protect them most effectively. Here, I examine how spatial, temporal, and climatological factors impact the dispersal of turtle hatchlings via ocean currents. I use the HYCOM global model combined with the Ichthyop particle simulator to measure the current driven dispersal of sea turtles. In a global analysis, spatial traits are a key factor driving dispersal. Annual variability in ocean currents also impact how far turtles can go. The differences in dispersal distance expand across sites and years the longer the turtles are in the water. I also evaluated the spatiotemporal variability in dispersal distance for the Gulf of Mexico endemic Kemp's Ridley sea turtle (Lepidochelys kempii) and related that variability to the frequency and severity of hurricanes. There are important spatiotemporal differences in dispersal that suggest varying levels of hatchling dispersal for each rookery. Further, increased frequency and intensity of hurricanes decreases the dispersal of hatchlings in the Gulf of Mexico. These findings can assist in model building and conservation planning for sea turtles worldwide.

ISBN: 9798643174257Subjects--Topical Terms:

522710
Biology.
Subjects--Index Terms:

Dispersal

Using Ocean Circulation Models to Explore Factors Influencing Variability in Hatchling Sea Turtle Dispersal.
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300 $a 75 p.
500 $a Source: Masters Abstracts International, Volume: 81-11.
500 $a Advisor: Piacenza, Susan E.
502 $a Thesis (M.S.)--The University of West Florida, 2020.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a When sea turtles hatch, they journey offshore to the open ocean. Currents are one of the factors that influence the success of this journey. The spatial ecology influencing hatchling turtles must be evaluated to protect them most effectively. Here, I examine how spatial, temporal, and climatological factors impact the dispersal of turtle hatchlings via ocean currents. I use the HYCOM global model combined with the Ichthyop particle simulator to measure the current driven dispersal of sea turtles. In a global analysis, spatial traits are a key factor driving dispersal. Annual variability in ocean currents also impact how far turtles can go. The differences in dispersal distance expand across sites and years the longer the turtles are in the water. I also evaluated the spatiotemporal variability in dispersal distance for the Gulf of Mexico endemic Kemp's Ridley sea turtle (Lepidochelys kempii) and related that variability to the frequency and severity of hurricanes. There are important spatiotemporal differences in dispersal that suggest varying levels of hatchling dispersal for each rookery. Further, increased frequency and intensity of hurricanes decreases the dispersal of hatchlings in the Gulf of Mexico. These findings can assist in model building and conservation planning for sea turtles worldwide.
590 $a School code: 0688.
650 4 $a Biology. $3 522710
650 4 $a Biological oceanography. $3 2122748
650 4 $a Conservation biology. $3 535736
653 $a Dispersal
653 $a Movement Ecology
653 $a Ocean Circulation Model
653 $a Oceanography
653 $a Sea Turtle
653 $a Spatial Ecology
690 $a 0306
690 $a 0416
690 $a 0408
710 2 $a The University of West Florida. $b Biology. $3 3175713
773 0 $t Masters Abstracts International $g 81-11.
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793 $a English
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