Severity of the 1998 and 2005 bleaching events in Venezuela, southern Caribbean
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| Format: | Artículo científico |
| Langue: | en |
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Universidad de Costa Rica
2010
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| _version_ | 1876476403225985024 |
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| author | Sebastián Rodríguez |
| author_facet | Sebastián Rodríguez |
| contents | Severity of the 1998 and 2005 bleaching events in Venezuela, southern Caribbean Sebastián Rodríguez Aldo Cróquer David Bone Carolina Bastidas Biología stress bleaching Coral reefs global warming This study describes the severity of the 2005 bleaching event at 15 reef sites across Venezuela and compares the 1998 and 2005 bleaching events at one of them. During August and September 2005, bleached corals were first observed on oceanic reefs rather than coastal reefs, affecting 1 to 4% of coral colonies in the community (3 reef sites, n=736 colonies). At that time, however, no bleached corals were recorded along the eastern coast of Venezuela, an area of seasonal upwelling (3 reefs, n=181 colonies). On coastal reefs, bleaching started in October but highest levels were reached in November 2005 and January 2006, when 16% of corals were affected among a wide range of taxa (e.g. scleractinians, octocorals, Millepora and zoanthids). In the Acropora habitats of Los Roques (an oceanic reef), no bleached was recorded in 2005 (four sites, n=643 colonies). At Cayo Sombrero, a coastal reef site, bleaching was less severe in 1998 than in 2005 (9% of the coral colonies involving 2 species vs. 26% involving 23 species, respectively). Our results indicate that bleaching was more severe in 2005 than in 1998 on Venezuelan reefs; however, no mass mortality was observed in either of these two events. Rev. Biol. Trop. 58 (Suppl. 3): 189-196. Epub 2010 October 01. 2010 artículo científico 0034-7744 https://www.redalyc.org/articulo.oa?id=44920949016 en http://www.redalyc.org/revista.oa?id=449 Revista de Biología Tropical application/pdf Universidad de Costa Rica Revista de Biología Tropical (Costa Rica) Num.3 Vol.58 |
| format | Artículo científico |
| id | redalyc_44920949016 |
| institution | Redalyc |
| language | en |
| publishDate | 2010 |
| publisher | Universidad de Costa Rica |
| spellingShingle | Severity of the 1998 and 2005 bleaching events in Venezuela, southern Caribbean Sebastián Rodríguez Biología stress bleaching Coral reefs global warming Severity of the 1998 and 2005 bleaching events in Venezuela, southern Caribbean Sebastián Rodríguez Aldo Cróquer David Bone Carolina Bastidas Biología stress bleaching Coral reefs global warming This study describes the severity of the 2005 bleaching event at 15 reef sites across Venezuela and compares the 1998 and 2005 bleaching events at one of them. During August and September 2005, bleached corals were first observed on oceanic reefs rather than coastal reefs, affecting 1 to 4% of coral colonies in the community (3 reef sites, n=736 colonies). At that time, however, no bleached corals were recorded along the eastern coast of Venezuela, an area of seasonal upwelling (3 reefs, n=181 colonies). On coastal reefs, bleaching started in October but highest levels were reached in November 2005 and January 2006, when 16% of corals were affected among a wide range of taxa (e.g. scleractinians, octocorals, Millepora and zoanthids). In the Acropora habitats of Los Roques (an oceanic reef), no bleached was recorded in 2005 (four sites, n=643 colonies). At Cayo Sombrero, a coastal reef site, bleaching was less severe in 1998 than in 2005 (9% of the coral colonies involving 2 species vs. 26% involving 23 species, respectively). Our results indicate that bleaching was more severe in 2005 than in 1998 on Venezuelan reefs; however, no mass mortality was observed in either of these two events. Rev. Biol. Trop. 58 (Suppl. 3): 189-196. Epub 2010 October 01. 2010 artículo científico 0034-7744 https://www.redalyc.org/articulo.oa?id=44920949016 en http://www.redalyc.org/revista.oa?id=449 Revista de Biología Tropical application/pdf Universidad de Costa Rica Revista de Biología Tropical (Costa Rica) Num.3 Vol.58 |
| title | Severity of the 1998 and 2005 bleaching events in Venezuela, southern Caribbean |
| topic | Biología stress bleaching Coral reefs global warming |
| url | https://www.redalyc.org/articulo.oa?id=44920949016 |