期刊
MARINE AND FRESHWATER RESEARCH
卷 67, 期 5, 页码 666-670出版社
CSIRO PUBLISHING
DOI: 10.1071/MF14200
关键词
brown rice coral; coral health; GA; Hawai'i
资金
- National Oceanographic and Atmospheric Administration Hawai'i Sea Grant College Program [42.R/HE-4]
- University of Hawai'i Sea Grant College Program [NA0OAR4170060, UNIHI SEAGRANT-JC-11-24]
- National Science Foundation Center for Research Excellence in Science and Technology [0833211]
- Division Of Human Resource Development
- Direct For Education and Human Resources [1345247] Funding Source: National Science Foundation
- Division Of Human Resource Development
- Direct For Education and Human Resources [0833211] Funding Source: National Science Foundation
One of the most prominent coral diseases in Hawai'i is growth anomaly (GA) of the skeleton. GA reduces key biological functions of Montipora capitata, but the effect of this disease on the ecological competitiveness of the coral has not been investigated. This study evaluated the effect of the GA on the susceptibility of an endemic Hawaiian coral M. capitata to algal overgrowth at Wai'opae, Hawai'i. Field surveys and photo analyses were conducted to collect epizootiological data. A relationship was found between GA severity and turf algal growth at the colony level; however, this relationship was weaker than expected. Despite the fact that GA lesions can provide areas of protuberant exposed coral skeleton, turf algal overgrowth was no more prevalent on GA-affected colonies than on unaffected colonies. As algal overgrowth is ephemeral compared to the progression of GA, we suggest that filamentous algae takes advantage of ideal environmental conditions regardless of the availability of new surfaces to invade presented by GA lesions.
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