Spatial pattern of coral diversity in Luhuitou fringing reef, Sanya, China

Zhao, Meixia, Yu, Kefu, Zhang, Qiaomin and Shi, Qi (2008) Spatial pattern of coral diversity in Luhuitou fringing reef, Sanya, China. Acta Ecologica Sinica, 28 4: 1419-1428. doi:10.1016/S1872-2032(08)60051-7

Author Zhao, Meixia
Yu, Kefu
Zhang, Qiaomin
Shi, Qi
Title Spatial pattern of coral diversity in Luhuitou fringing reef, Sanya, China
Journal name Acta Ecologica Sinica   Check publisher's open access policy
ISSN 1000-0933
Publication date 2008-04
Sub-type Article (original research)
DOI 10.1016/S1872-2032(08)60051-7
Volume 28
Issue 4
Start page 1419
End page 1428
Total pages 10
Place of publication Beijing, China
Publisher Kexue Chubanshe
Language eng
Abstract 84 quadrats from 5 vertical transects of Luhuitou fringing reef are investigated in detail by using video-quadrat and indoor-interpretation methods. The results show that (1) the reef consists of 69 species of hermatypic corals belonging to 24 genera and 13 families which are unevenly distributed in abundance. (2) Among all the corals, Porites lutea is the most dominant species with importance value percentage up to 36.62%; Porites and Acropora are dominant genera with importance value percentages 43.85% and 22.88%, respectively. (3) There exist distinct spatial differences in coral communities. Both the coral covers and coral diversity indices on the northeastern transects are higher than those on the central and southern transects. (4) Coral communities also show remarkable zonal characteristics with less coral species occurring on reef flat than on reef slope. The importance value percentage of the sole dominant coral genus, Porites, is over 50%, while on the reef slope, the importance value percentages are 28.33% for the first dominant genus Acropora and 26.71% for the second dominant genus Porites. Our further analysis suggests that the spatial and zonal differences of coral diversity pattern are correlated with both natural environmental changes and human activities. The shallow water reef flat is frequently exposed at low tide and it receives more anthropogenic influences (including dredging and trampling) than the deep water reef slope. Thus, the coral community on the reef flat is not as well developed as that on reef slope. The relatively poor coral covers and coral diversity indices on the central and southern transects are closely related to heavy human activities around these sites such as aquaculture, fishing and coastal sewage drainage. Therefore, the impact of human activities must be taken into account in developing strategies for the protection of this coral reef.
Keyword Coral reef
Spatial pattern
Luhuitou (Sanya)
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
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Created: Fri, 20 Jan 2012, 14:04:08 EST by Dr Kefu Yu on behalf of Centre for Microscopy and Microanalysis