Roder, Cornelia, Wu, Zhongjie, Richter, Claudio and Zhang, Jing (2013) Coral reef degradation and metabolic performance of the scleractinian coral Porites lutea under anthropogenic impact along the NE coast of Hainan Island, South China Sea. Continental Shelf Research, 57 . pp. 123-131. DOI https://doi.org/10.1016/j.csr.2012.11.017.

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Abstract

Hainan's coast provides favorable climatic, geochemical and biogeographic conditions for the development of extensive coral reefs in China. Observations in five reefs along the NE coast of Hainan showed, however, that the overall density of mobile macrofauna is low and key functional groups such as browsing, scraping or excavating herbivore fish are missing altogether. Coral diseases, partial mortality or tissue degradation are abundant and growth of macroalgal space competitors extensive. Signs of eutrophication, siltation and destructive fishing practices are evident resulting in a strongly altered environment unfavorable for coral recruitment success and survival. Acclimation to the anthropogenically altered conditions in the massive coral Porites lutea occurs at the cost of a decreased photosynthesis: respiration ratio reducing the regenerative capacity of these key framebuilding organisms. Even though, on the organismal level, corals are able to cope with these stressful conditions, a shift is imminent on the ecosystem level from a coral reef to a macroalgae-dominated community if land-based disturbance prevails unabated.

Document Type: Article
Research affiliation: Ecology
Affiliations > Not ZMT
Refereed: Yes
Open Access Journal?: No
DOI etc.: https://doi.org/10.1016/j.csr.2012.11.017
ISSN: 02784343
Date Deposited: 16 Aug 2019 16:00
Last Modified: 01 Oct 2020 12:59
URI: http://cris.leibniz-zmt.de/id/eprint/2680

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