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Ass. Lect. Amin Roushdy Mohamed Esmail :: Publications:

Title:
Status of coral reef health in the northern Red Sea, Egypt. Proceedings of the 12th International Coral Reef Symposium, Cairns, Australia, 9-13 July 2012. James Cook University. Mohamed et al 2012.
Authors: Amin R. Mohamed, Abdel-Hamid A.M. Ali, Hany A. Abdel-Salam
Year: 2012
Keywords: Not Available
Journal: Not Available
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: International
Paper Link:
Full paper Amin Roushdy Mohammed Ismail_Status of coral reef health in the northern Red Sea Egypt ICRS 2012 paper.pdf
Supplementary materials Not Available
Abstract:

This study aimed to provide baseline knowledge of coral diseases prevalence and coral health at nine reef sites in the northern Egyptian Red Sea: I (El-Ain Al-Sukhna), II (Ras Za’farana), III (Hurghada), IV (Ras Ghozlani), V (Old Quay), VI (Yolanda reef), VII (Ras Umm Sid, Sharm El-Sheikh), VIII (WoodHouse reef, Sharm El-Sheikh), and IX (canyon reef, Dahab). Sites IV, V and VI are located in Ras Mohamed, marine protected area. Field surveys of coral diseases and signs of compromised health in the studied reefs revealed a mean prevalence of 1.03%. Macroscopic observations were diagnosed as: black band disease (0.44%), white syndrome (0.13%), pink line syndrome (0.04%), ulcerative white spots (0.02%), skeletal eroding band (0.001%), coral bleaching (2.2%), Drupella cornus snail predation (0.1%), fish predation (0.2%), pigmentation response (0.13%), sediment damage (0.08%), algae overgrowth (0.06%) and sponge overgrowth (0.04%). Prevalence of coral diseases and bleaching were higher in non-MPA sites than in MPA sites. The highest prevalence of coral diseases was recorded on the coral Favia stelligera, followed by Porites lutea, and Goniastrea edwardsi. Enhanced local anthropogenic stresses and increasing sea surface temperature due to global warming are the suggested potential factors responsible for the initiation and the persistence of some coral diseases in the studied reefs.

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