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学科主题: Environmental Sciences; Geography, Physical; Geosciences, Multidisciplinary
题名: Coastal bio-geomorphologic zonation of coral reefs and mangroves and tide level control
作者: Zhang, QM
通讯作者: qmzhang@scsio.ac.cn
关键词: tropical biological coasts ; fringing reefs ; biophysical survey ; south China coast ; Hainan Island
刊名: JOURNAL OF COASTAL RESEARCH
发表日期: 2004
页: 202-211
收录类别: sci
部门归属: Chinese Acad Sci, Lab Marginal Sea Geol, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China; Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510301, Peoples R China
项目归属: 海洋地质
摘要: A study of coastal bio-geomorphologic units and zonation patterns of coral reefs and mangroves and their bio-geomorphologic boundaries as determined by tidal levels was undertaken. 20 transects were surveyed at 6 different coral reef and mangrove study sites on the tropical coast of southern China. 14 transects were undertaken at 4 mangrove stands, and 6 transects were carried out at 2 fringing coral reef sites. Bio-geomorphologic units and zonation patterns of coral reefs and mangroves were established based on a comprehensive biophysical survey, including biological, geomorphologic, sedimentary, and hydrodynamic surveys, and a diving survey on the reef slope along coral reef transects. Typical bio-geomorphologic units include inner reef flat, outer reef flat and reef slope on fringing reefs, and mangrove flat on mangrove coast. Each is distinguished by biological community distributions, landforms, sediments and hydrodynamic conditions. The bio-geomorphologic boundaries of fringing reefs and mangroves were determined by leveling surveys along each transect and local tidal observation. The upper limit for the flat coral growth between inner and outer reef flats is Mean Lower Low Water of tropic tide. The limit for hard coral growth from scattered to luxuriant, as well as the break of slope from reef flat to reef slope, is the Theoretical Lowest Tide. The lower and upper limit of mangrove flats were the Mean Sea Level (or slightly above) and the Mean Higher High Water Level respectively. It seems that tidal level is a control factor for bio-geomorphologic zonation of fringing reefs and mangroves. The study results assist understanding of the structure, function and management of tropical biological coasts.
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WOS记录号: WOS:000225529100019
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4774
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
Zhang, QM.Coastal bio-geomorphologic zonation of coral reefs and mangroves and tide level control,JOURNAL OF COASTAL RESEARCH,2004,():202-211
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