Here you can get quick access to various reports on coral reefs status, health and threats on global, regional and national levels. Select geographic area of interest or search by source/organization.
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Search Result: 2 records
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2.
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Reef Check,
1998
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Reef Check Results: 1998
Reef Check online document
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Author
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Reef Check
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Year
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1998
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Title
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Reef Check Results: 1998
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Source
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Reef Check online document
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Keywords
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monitoring, coral reef, coral belaching, Coral Bleaching, Overfishing Solutions, Global Bleaching and Mortality
Bleaching Solutions
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Caption
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Prior to 1997, there were many media reports about coral reef decline, however, it was not possible to answer the question: What is the health of the world’s coral reefs? The normal scientific process failed to provide answers because there are too few scientists who spend too little time on reefs. There are too few study sites, and few long-term studies. Many studies emphasize basic research and few use similar methods. In 1997, the HKUST Institute for Environment and Sustainable Development organized the first global survey of coral reefs. The survey was by far the largest ever undertaken and was based on the use of one method at all sites so that comparisons could be made among sites. The results confirmed that reefs in different parts of the world share similar problems. Overfishing was shown to be far worse than expected, particularly at remote locations.
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Abstract
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Almost 40 countries and territories participated in 1998, an increase over 1997. Several hundred divers and over 100 marine biologists volunteered their time and effort to carry out the surveys. Support for the program has been growing among scientists, governments, dive clubs, environmental groups and the tourism industry, however, additional sponsorship of teams is sought.
1998 results confirmed those of 1997, that most reefs are severely over-fished, with most high-value organisms missing. Of the Worldwide Indicators, lobster were formerly abundant, and were missing from 85% of reefs surveyed, an increase in "vacant" reefs of 4%.
There were no grouper at 63% of reefs, a 16% increase over 1997. About 20 grouper were reported from a few reefs inside marine parks.
Other Worldwide Indicators showed similar trends. Of the Indo-pacific Indicators, there were no humphead (Napolean) wrasse at 90% of reefs, and no edible sea cucumbers at 62% of reefs, the latter is a 23% increase over 1997. Giant clams were completely missing at 53% of reefs, a 30% increase over last year.
The reef corals themselves showed a decrease in living percentage cover of more than 10%, and an increase in dead cover. A major cause of this change was an unprecedented "bleaching"event which killed many reef corals and other organisms, with the worst impacts in the Indo-Pacific.
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Online Documents
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