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Effects of hurricanes on the stability of reef-associated landscapes [Efectos de los huracanes sobre la estabilidad de paisajes asociados con arrecifes coralinos]
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Rioja-Nieto, Rodolfo, Chiappa-Carrara, Xavier and Sheppard, Charles (Charles R. C.) (2012) Effects of hurricanes on the stability of reef-associated landscapes [Efectos de los huracanes sobre la estabilidad de paisajes asociados con arrecifes coralinos]. Ciencias Marinas, Vol.38 (No.1). pp. 47-55. ISSN 0185-3880.
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Official URL: http://redalyc.uaemex.mx/redalyc/src/inicio/HomRev...
Abstract
The effects of Hurricane Emily (July 2005, Category 4) on nine different benthic substrates in the reef-associated landscape along the west coast of Cozumel (Mexico) were evaluated by comparing the cover of nine types of substrate on ground-truthed sites before (ten months) and after (two months) the hurricane. Four substrates showed significant differences (Wilcoxon signed-rank test, P < 0.05). Coverage of sand and sand over rock increased, while that of seagrass and hard corals decreased. The effects of the hurricane on soft corals diminished below 10 m depth. Sites between 0.5 and 5.5 m were less affected towards the southwest of the island, where the reefs are more developed. Algal cover was similar to pre-hurricane values after two months, which suggests fast algal recolonization. Cozumel reefs are considered to be healthy; however, a possible increase in the abundance of macroalgae as a result of hurricanes coupled with poorly regulated tourism activities could eventually favor a phase shift in the system.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) > Biological Sciences ( -2010) | ||||
| Journal or Publication Title: | Ciencias Marinas | ||||
| Publisher: | Universidad Autonoma de Baja California * Instituto de Investigaciones Oceanologicas | ||||
| ISSN: | 0185-3880 | ||||
| Official Date: | 2012 | ||||
| Dates: |
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| Volume: | Vol.38 | ||||
| Number: | No.1 | ||||
| Page Range: | pp. 47-55 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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