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Development of Coral Micropropagates...

University of California, San Diego., Scripps Institution of Oceanography.

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Development of Coral Micropropagates for Coral Restoration.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Development of Coral Micropropagates for Coral Restoration./
Author:	Walton, Emily Jade.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
Description:	40 p.
Notes:	Source: Masters Abstracts International, Volume: 85-04.
Contained By:	Masters Abstracts International85-04.
Subject:	Aquatic sciences. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30637287
ISBN:	9798380583244

Development of Coral Micropropagates for Coral Restoration.
Walton, Emily Jade.

Development of Coral Micropropagates for Coral Restoration. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 40 p.

Source: Masters Abstracts International, Volume: 85-04.

Thesis (M.S.)--University of California, San Diego, 2023.

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

Coral reefs, vital ecosystems supporting marine biodiversity, face unprecedented threats from anthropogenic climate change. The resulting reef degradation necessitates urgent restoration research. While conventional methods have focused on fragmentation, the potential of coral micropropagates for restoration remains unexplored. Polyp bailout, where polyps detach in response to acute stress, offers a promising source of micropropagates. This study pursues two objectives: 1) developing a hypersalinity-induced bailout protocol and 2) assessing micropropagate attachment to common restoration substrates. Specifically, this study tests the viability of micropropagates following hypersalinity stress using chlorophyll a fluorimetry and morphological characterization. Following successful micropropagate development, attachment and growth are observed over 14 days on CaCO3, PVC, and cement. A salinity gradient of approximately 1 ppt/hr induced bailout for Stylophora pistillata, producing micropropagates characterized by healthy morphology and average FV/FM values of 0.45 +/- 0.04. Micropropagates attachment was highest on CaCO3 (73.81% +/- 10.75%) surpassing PVC (47.62% +/- 11.66%) and cement (4.76% +/- 7.38%). Post-settlement, micropropagates displayed varying growth rates, with PVC (0.057 +/- 0.008 mm²/day) exhibiting the highest growth rate, followed by CaCO3 (0.037 +/- 0.002 mm²/day), and cement (-0.0068 +/- 0.008 mm²/day). These results showthat viable S. pistillata micropropagates can be produced via hypersalinity stress in a reproducible manner and that artificial substrates made from CaCo3 produce successful attachment and healhty lateral tissue growth. Together, these findings suggest that polyp bailout has potential as a technique for generating micropropagates for coral restoration.

ISBN: 9798380583244Subjects--Topical Terms:

3174300
Aquatic sciences.
Subjects--Index Terms:

Marine biodiversity

Development of Coral Micropropagates for Coral Restoration.
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245 1 0 $a Development of Coral Micropropagates for Coral Restoration.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2023
300 $a 40 p.
500 $a Source: Masters Abstracts International, Volume: 85-04.
500 $a Advisor: Tresguerres, Martin.
502 $a Thesis (M.S.)--University of California, San Diego, 2023.
506 $a This item must not be sold to any third party vendors.
520 $a Coral reefs, vital ecosystems supporting marine biodiversity, face unprecedented threats from anthropogenic climate change. The resulting reef degradation necessitates urgent restoration research. While conventional methods have focused on fragmentation, the potential of coral micropropagates for restoration remains unexplored. Polyp bailout, where polyps detach in response to acute stress, offers a promising source of micropropagates. This study pursues two objectives: 1) developing a hypersalinity-induced bailout protocol and 2) assessing micropropagate attachment to common restoration substrates. Specifically, this study tests the viability of micropropagates following hypersalinity stress using chlorophyll a fluorimetry and morphological characterization. Following successful micropropagate development, attachment and growth are observed over 14 days on CaCO3, PVC, and cement. A salinity gradient of approximately 1 ppt/hr induced bailout for Stylophora pistillata, producing micropropagates characterized by healthy morphology and average FV/FM values of 0.45 +/- 0.04. Micropropagates attachment was highest on CaCO3 (73.81% +/- 10.75%) surpassing PVC (47.62% +/- 11.66%) and cement (4.76% +/- 7.38%). Post-settlement, micropropagates displayed varying growth rates, with PVC (0.057 +/- 0.008 mm²/day) exhibiting the highest growth rate, followed by CaCO3 (0.037 +/- 0.002 mm²/day), and cement (-0.0068 +/- 0.008 mm²/day). These results showthat viable S. pistillata micropropagates can be produced via hypersalinity stress in a reproducible manner and that artificial substrates made from CaCo3 produce successful attachment and healhty lateral tissue growth. Together, these findings suggest that polyp bailout has potential as a technique for generating micropropagates for coral restoration.
590 $a School code: 0033.
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650 4 $a Ecology. $3 516476
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653 $a Ecosystems
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710 2 $a University of California, San Diego. $b Scripps Institution of Oceanography. $3 3543449
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792 $a 2023
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30637287