海南七洲列岛周边珊瑚分布及其健康状况评价
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摘要
采用断面监测法调查七洲列岛海域珊瑚的种类、覆盖率、死亡率及补充量,采用水环境健康指数和单因子评价方法评价其环境质量,并利用珊瑚健康指数(CI)评估七洲列岛海域珊瑚礁生态系统的健康状况和遭受环境压力程度。结果表明:七洲列岛珊瑚共有造礁石珊瑚11科30种,优势种为二异角孔珊瑚、精巧扁脑珊瑚、澄黄滨珊瑚、秘密角蜂巢珊瑚、网状菊花珊瑚、鹿角杯形珊瑚及疣状杯形珊瑚,造礁石覆盖率为22.70%,补充量为1.50 ind/m~2;软珊瑚3种,覆盖率为0.70%,通过对珊瑚各项指标、生态环境质量以及珊瑚健康指数的分析评价,七洲列岛海域珊瑚礁生态系统处于健康状态,其中水环境处于健康状态,沉积物符合第一类海洋沉积物质量标准,珊瑚健康指数为0.800~2.018。
Investigation of species, coverage, death rate and recruitment of corals by method of Line intercept transect, evaluation of the environmental quality by method of water environmental health index and single factor, and evaluation of health condition and environmental stresses of corals surrounding Qizhou islands by method of coral health index(CI) were carried out in this study. Results showed that, 11 families, 30 species of hermatypic corals and 3 species of soft corals with dominant species as Goniopora duofasciata, Platygyra daedalea, Porites lutea, Favites abdita, Goniastrea retiformis, Pocillopora damicornis and Pocillopora verrucosa surrounding Qizhou islands, and coverage rate of hermatypic corals was 22.70%, recruitment was 1.50 ind/m2. 3 species of Alcyonaceadis played a coverage rate of 0.70%. The integrated evaluation of indicators, ecological and environmental quality, and Coral health index indicated that the coral reef ecosystem of Qizhou islands was at a healthy state, reflected by a healthy water environment, sediments in consistence with the quality standards for the first type of marine sediments, and coral health indices from 0.800 to 2.018.
Investigation of species, coverage, death rate and recruitment of corals by method of Line intercept transect, evaluation of the environmental quality by method of water environmental health index and single factor, and evaluation of health condition and environmental stresses of corals surrounding Qizhou islands by method of coral health index(CI) were carried out in this study. Results showed that, 11 families, 30 species of hermatypic corals and 3 species of soft corals with dominant species as Goniopora duofasciata, Platygyra daedalea, Porites lutea, Favites abdita, Goniastrea retiformis, Pocillopora damicornis and Pocillopora verrucosa surrounding Qizhou islands, and coverage rate of hermatypic corals was 22.70%, recruitment was 1.50 ind/m2. 3 species of Alcyonaceadis played a coverage rate of 0.70%. The integrated evaluation of indicators, ecological and environmental quality, and Coral health index indicated that the coral reef ecosystem of Qizhou islands was at a healthy state, reflected by a healthy water environment, sediments in consistence with the quality standards for the first type of marine sediments, and coral health indices from 0.800 to 2.018.
引文
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牛文涛,刘玉新,林荣澄.2009.珊瑚礁生态系统健康评价方法的研究进展[J].海洋学研究,27(4):77-85
孙燕,周杨明,张秋文,等.2011.生态系统健康:理论/概念与评价方法[J].地球科学进展,26(8):887-896
王道儒,李元超,兰建新,等.2011.海南岛东海岸长圮海域珊瑚分布与波能的关系[J].热带海洋学报,30(2):18-25
吴钟解,陈石泉,王道儒,等.2013.海南岛造礁石珊瑚资源初步调查与分析[J].海洋湖沼通报(2):44-50
吴钟解,王道儒,凃志刚,等.2011.西沙生态监控区造礁石珊瑚退化原因分析[J].海洋学报,33(4):140-146
吴钟解,张光星,陈石泉,等.2015.海南西瑁洲岛周边海域造礁石珊瑚时空分布及其生态系统健康评价[J].应用海洋学学报,34(1):738-745
杨斌,隋鹏,陈源泉,等.2010.生态系统健康评价研究进展[J].中国农学通报,26(21):291-296
Cortes J,Risk M J.1985.A coral reef under siltation stress Cahuita,Costa Rica[M].Bulletin of Marine science,36
Bellwood D R,Hughes T P,Folke C,et al.2004.Confronting the coral reef crisis[J].Nature,429(6994):827-833
Moberg F,Folke C.1999.Ecological goods and services of coral reef ecosystems[J].Ecological Economics,29(2):215-233
Bernhard H,Werner E P,Bernhard R.2002.Functional morphology of coral shape and passive hydrodynamic self-righting in recent Manicina areolata[J].Palaeobiodiversity and Palaeoenvironments,82(1):125-130
Goreau T J,Hayes R L.1994.Coral bleaching and ocean"hot sopts"[J].Ambio,23(3):176-180
Hmre.2004.The challenge of defining“reef health"in the Mesoamerican barrier reef:the search for yardsticks and a meaning index of Reef Integrity[Z].Miami:the Healthy Mesoamerican Reef Workshop:1-45
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