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Predicted recurrences of mass coral mortality in the Indian Ocean
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Sheppard, Charles (Charles R. C.) (2003) Predicted recurrences of mass coral mortality in the Indian Ocean. Nature, Volume 425 (Number 6955). pp. 294-297. doi:10.1038/nature01987
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Official URL: http://dx.doi.org/10.1038/nature01987
Abstract
In 1998, more than 90% of shallow corals were killed on most Indian Ocean reefs1. High sea surface temperature (SST) was a primary cause2, 3, acting directly or by interacting with other factors3, 4, 5, 6, 7. Mean SSTs have been forecast to rise above the 1998 values in a few decades2, 3; however, forecast SSTs rarely flow seamlessly from historical data, or may show erroneous seasonal oscillations, precluding an accurate prediction of when lethal SSTs will recur. Differential acclimation by corals in different places complicates this further3, 7, 8. Here I scale forecast SSTs at 33 Indian Ocean sites where most shallow corals died in 1998 (ref. 1) to identify geographical patterns in the timing of probable repeat occurrences. Reefs located 10–15° south will be affected every 5 years by 2010–2025. North and south from this, dates recede in a pattern not directly related to present SSTs; paradoxically, some of the warmest sites may be affected last. Temperatures lethal to corals vary in this region by 6 °C, and acclimation of a modest 2 °C by corals could prolong their survival by nearly 100 years.
| Item Type: | Journal Item | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||||||
| Journal or Publication Title: | Nature | ||||||||
| Publisher: | Nature Publishing | ||||||||
| ISSN: | 0028-0836 | ||||||||
| Official Date: | 18 September 2003 | ||||||||
| Dates: |
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| Volume: | Volume 425 | ||||||||
| Number: | Number 6955 | ||||||||
| Page Range: | pp. 294-297 | ||||||||
| DOI: | 10.1038/nature01987 | ||||||||
| Status: | Not Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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