Transient turbid water mass reduces temperature-induced coral bleaching and mortality in Barbados
Global warming is seen as one of the greatest threats to the world’s coral reefs and, with the continued rise in sea surface temperature predicted into the future, there is a great need for further understanding of how to prevent and address the damaging impacts. This is particularly so for countrie...
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| Format: | Article |
| Language: | English |
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PeerJ Inc.
2016-06-01
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| Series: | PeerJ |
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| Online Access: | https://peerj.com/articles/2118.pdf |
| _version_ | 1797425684461649920 |
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| author | Hazel A. Oxenford Henri Vallès |
| author_facet | Hazel A. Oxenford Henri Vallès |
| author_sort | Hazel A. Oxenford |
| collection | DOAJ |
| description | Global warming is seen as one of the greatest threats to the world’s coral reefs and, with the continued rise in sea surface temperature predicted into the future, there is a great need for further understanding of how to prevent and address the damaging impacts. This is particularly so for countries whose economies depend heavily on healthy reefs, such as those of the eastern Caribbean. Here, we compare the severity of bleaching and mortality for five dominant coral species at six representative reef sites in Barbados during the two most significant warm-water events ever recorded in the eastern Caribbean, i.e., 2005 and 2010, and describe prevailing island-scale sea water conditions during both events. In so doing, we demonstrate that coral bleaching and subsequent mortality were considerably lower in 2010 than in 2005 for all species, irrespective of site, even though the anomalously warm water temperature profiles were very similar between years. We also show that during the 2010 event, Barbados was engulfed by a transient dark green turbid water mass of riverine origin coming from South America. We suggest that reduced exposure to high solar radiation associated with this transient water mass was the primary contributing factor to the lower bleaching and mortality observed in all corals. We conclude that monitoring these episodic mesoscale oceanographic features might improve risk assessments of southeastern Caribbean reefs to warm-water events in the future. |
| first_indexed | 2024-03-09T08:19:43Z |
| format | Article |
| id | doaj.art-83706cab40994ff8bb5dd515d87fecb6 |
| institution | Directory Open Access Journal |
| issn | 2167-8359 |
| language | English |
| last_indexed | 2024-03-09T08:19:43Z |
| publishDate | 2016-06-01 |
| publisher | PeerJ Inc. |
| record_format | Article |
| series | PeerJ |
| spelling | doaj.art-83706cab40994ff8bb5dd515d87fecb62023-12-02T21:53:27ZengPeerJ Inc.PeerJ2167-83592016-06-014e211810.7717/peerj.2118Transient turbid water mass reduces temperature-induced coral bleaching and mortality in BarbadosHazel A. Oxenford0Henri Vallès1Centre for Resource Management and Environmental Studies, University of the West Indies, Cave Hill, BarbadosDepartment of Biological and Chemical Sciences, University of the West Indies, Cave Hill, BarbadosGlobal warming is seen as one of the greatest threats to the world’s coral reefs and, with the continued rise in sea surface temperature predicted into the future, there is a great need for further understanding of how to prevent and address the damaging impacts. This is particularly so for countries whose economies depend heavily on healthy reefs, such as those of the eastern Caribbean. Here, we compare the severity of bleaching and mortality for five dominant coral species at six representative reef sites in Barbados during the two most significant warm-water events ever recorded in the eastern Caribbean, i.e., 2005 and 2010, and describe prevailing island-scale sea water conditions during both events. In so doing, we demonstrate that coral bleaching and subsequent mortality were considerably lower in 2010 than in 2005 for all species, irrespective of site, even though the anomalously warm water temperature profiles were very similar between years. We also show that during the 2010 event, Barbados was engulfed by a transient dark green turbid water mass of riverine origin coming from South America. We suggest that reduced exposure to high solar radiation associated with this transient water mass was the primary contributing factor to the lower bleaching and mortality observed in all corals. We conclude that monitoring these episodic mesoscale oceanographic features might improve risk assessments of southeastern Caribbean reefs to warm-water events in the future.https://peerj.com/articles/2118.pdfCoral bleachingCoral mortalityTransient water massesBarbados reefsAnomalously warm SST |
| spellingShingle | Hazel A. Oxenford Henri Vallès Transient turbid water mass reduces temperature-induced coral bleaching and mortality in Barbados PeerJ Coral bleaching Coral mortality Transient water masses Barbados reefs Anomalously warm SST |
| title | Transient turbid water mass reduces temperature-induced coral bleaching and mortality in Barbados |
| title_full | Transient turbid water mass reduces temperature-induced coral bleaching and mortality in Barbados |
| title_fullStr | Transient turbid water mass reduces temperature-induced coral bleaching and mortality in Barbados |
| title_full_unstemmed | Transient turbid water mass reduces temperature-induced coral bleaching and mortality in Barbados |
| title_short | Transient turbid water mass reduces temperature-induced coral bleaching and mortality in Barbados |
| title_sort | transient turbid water mass reduces temperature induced coral bleaching and mortality in barbados |
| topic | Coral bleaching Coral mortality Transient water masses Barbados reefs Anomalously warm SST |
| url | https://peerj.com/articles/2118.pdf |
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