Persistence of coral assemblages at East and West Flower Garden Banks, Gulf of Mexico

Since 1989 a federally supported long-term coral reef monitoring program has focused on two study sites atop East and West Flower Garden Banks in the northwestern Gulf of Mexico. We examined 25 yr of benthic cover data to provide a multi-decadal baseline and trend analysis of the community structure...

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Bibliographic Details
Published in:Coral reefs 2016-09, Vol.35 (3), p.821-826
Main Authors: Johnston, Michelle A., Embesi, John A., Eckert, Ryan J., Nuttall, Marissa F., Hickerson, Emma L., Schmahl, George P.
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Coral reefs
Environmental monitoring
Freshwater & Marine Ecology
Gardens & gardening
Life Sciences
Oceanography
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Summary:Since 1989 a federally supported long-term coral reef monitoring program has focused on two study sites atop East and West Flower Garden Banks in the northwestern Gulf of Mexico. We examined 25 yr of benthic cover data to provide a multi-decadal baseline and trend analysis of the community structure for this coral reef system. Despite global coral reef decline in recent decades, mean coral cover at East and West Flower Garden Banks was above 50% for the combined 25 yr of continuous monitoring, and represented a stable coral community. However, mean macroalgal cover increased significantly between 1998 and 1999, rising from approximately 3 to 20%, and reaching a maximum above 30% in 2012. In contrast to many other shallow water reefs in the Caribbean region, increases in mean macroalgal cover have not been concomitant with coral cover decline at the Flower Garden Banks.
ISSN:0722-4028
1432-0975
DOI:10.1007/s00338-016-1452-x