Bleaching increases likelihood of disease on Acropora palmata (Lamarck) in Hawksnest Bay, St John, US Virgin Islands
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Abstract
Anomalously high water temperatures may enhance the likelihood of coral disease outbreaks by increasing the abundance or virulence of pathogens, or by increasing host susceptibility. This study tested the compromised-host hypothesis, and documented the relationship between disease and temperature, through monthly monitoring of Acropora palmata colonies from May 2004 to December 2006, in Hawksnest Bay, St John, US Virgin Islands (USVI). Disease prevalence and the rate of change in prevalence showed a positive linear relationship with water temperature and rate of change in water temperature, respectively, but only in 2005 during prolonged periods of elevated temperature. Both bleached and unbleached colonies showed a positive relationship between disease prevalence and temperature in 2005, but the average area of disease-associated mortality increased only for bleached corals, indicating host susceptibility, rather than temperature per se, influenced disease severity on A. palmata.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Bleaching increases likelihood of disease on Acropora palmatao (Lamarck) in Hawksnest Bay, St John, US Virgin Islands |
| Series title | Coral Reefs |
| DOI | 10.1007/s00338-007-0310-2 |
| Volume | 27 |
| Issue | 1 |
| Year Published | 2008 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Southeast Ecological Science Center |
| Description | 5 p. |
| First page | 191 |
| Last page | 195 |
| Country | United States |
| State | Virgin Islands |
| Other Geospatial | Hawksnest Bay |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |