Estimating dispersal of coral larvae for ecosystem management in Tioman island

Dispersal of coral larvae and successive recruitment are important for ecosystem man-agement especially in marine protected areas to estimate how far larvae travel in the water and settle on substrates. Information on dispersal distance is crucial to determine the magnitude of self-recruitment and i...

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Main Authors: Hanapiah, Muhammad Faiz, Ahmad, Zuhairi, Saad, Shahbudin
Format: Proceeding Paper
Language:English
Published: 2016
Subjects:
Online Access:http://irep.iium.edu.my/52875/
http://irep.iium.edu.my/52875/1/Faiz_Zuhairi_Shahbudin.pdf
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author Hanapiah, Muhammad Faiz
Ahmad, Zuhairi
Saad, Shahbudin
author_facet Hanapiah, Muhammad Faiz
Ahmad, Zuhairi
Saad, Shahbudin
author_sort Hanapiah, Muhammad Faiz
building IIUM Repository
collection Online Access
description Dispersal of coral larvae and successive recruitment are important for ecosystem man-agement especially in marine protected areas to estimate how far larvae travel in the water and settle on substrates. Information on dispersal distance is crucial to determine the magnitude of self-recruitment and inter reefs connectivity. In this study, dispersal of larvae particles was investigated by applying Langragian particle tracking module integrated with 2-dimensional, hydrodynamic, flexible mesh model (MIKE 21 FM). Simulation were carried out for two distinct pelagic larvae durations (PLD); optimal PLD and extensive PLD during major spawning activities in April 2014 at four source reefs namely Genting Village, Renggis Island, Teduh Bay and Juara Bay. Results indi-cated that most of coral larvae particles from each source reef dispersed closer to natal reef during optimal PLD (5-7 days after spawning) suggesting self-recruitment from local larvae pool play major role in shaping coral reef assemblages. Extended PLD (14 days after spawning) may increase connectivity between reefs as coral larvae travel far-ther. However, successful recruitment rates may decrease due to larval mortality and predation. Therefore strategic ecosystem management and habitat restoration in Ti-oman Island is needed since reef resilience may depends on local larvae pool.
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format Proceeding Paper
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institution International Islamic University Malaysia
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language English
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spelling iium-528752016-12-01T06:29:05Z http://irep.iium.edu.my/52875/ Estimating dispersal of coral larvae for ecosystem management in Tioman island Hanapiah, Muhammad Faiz Ahmad, Zuhairi Saad, Shahbudin GE Environmental Sciences Q Science (General) TD169 Environmental protection Dispersal of coral larvae and successive recruitment are important for ecosystem man-agement especially in marine protected areas to estimate how far larvae travel in the water and settle on substrates. Information on dispersal distance is crucial to determine the magnitude of self-recruitment and inter reefs connectivity. In this study, dispersal of larvae particles was investigated by applying Langragian particle tracking module integrated with 2-dimensional, hydrodynamic, flexible mesh model (MIKE 21 FM). Simulation were carried out for two distinct pelagic larvae durations (PLD); optimal PLD and extensive PLD during major spawning activities in April 2014 at four source reefs namely Genting Village, Renggis Island, Teduh Bay and Juara Bay. Results indi-cated that most of coral larvae particles from each source reef dispersed closer to natal reef during optimal PLD (5-7 days after spawning) suggesting self-recruitment from local larvae pool play major role in shaping coral reef assemblages. Extended PLD (14 days after spawning) may increase connectivity between reefs as coral larvae travel far-ther. However, successful recruitment rates may decrease due to larval mortality and predation. Therefore strategic ecosystem management and habitat restoration in Ti-oman Island is needed since reef resilience may depends on local larvae pool. 2016 Proceeding Paper NonPeerReviewed application/pdf en http://irep.iium.edu.my/52875/1/Faiz_Zuhairi_Shahbudin.pdf Hanapiah, Muhammad Faiz and Ahmad, Zuhairi and Saad, Shahbudin (2016) Estimating dispersal of coral larvae for ecosystem management in Tioman island. In: 2nd International Conference on Oceanography and Sustainable Marine Production (ICOSMAP) 2016, 23rd-25th August 2016, Kulliyyah of Science, IIUM. (Unpublished) http://www.iium.edu.my/icosmap/2016/
spellingShingle GE Environmental Sciences
Q Science (General)
TD169 Environmental protection
Hanapiah, Muhammad Faiz
Ahmad, Zuhairi
Saad, Shahbudin
Estimating dispersal of coral larvae for ecosystem management in Tioman island
title Estimating dispersal of coral larvae for ecosystem management in Tioman island
title_full Estimating dispersal of coral larvae for ecosystem management in Tioman island
title_fullStr Estimating dispersal of coral larvae for ecosystem management in Tioman island
title_full_unstemmed Estimating dispersal of coral larvae for ecosystem management in Tioman island
title_short Estimating dispersal of coral larvae for ecosystem management in Tioman island
title_sort estimating dispersal of coral larvae for ecosystem management in tioman island
topic GE Environmental Sciences
Q Science (General)
TD169 Environmental protection
url http://irep.iium.edu.my/52875/
http://irep.iium.edu.my/52875/
http://irep.iium.edu.my/52875/1/Faiz_Zuhairi_Shahbudin.pdf