| 大亚湾浅水石珊瑚的分布现状及生态特点 |
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| 引用本文： | 林昭进,邱永松,张汉华,陈涛.大亚湾浅水石珊瑚的分布现状及生态特点[J].热带海洋学报,2007,26(3):63-67. |
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| 作者姓名： | 林昭进 邱永松 张汉华 陈涛 |
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| 作者单位： | 中国水产科学研究院南海水产研究所,广东,广州,510300 |
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| 基金项目： | 中海壳牌南海石油化工项目 |
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| 摘 要： | 2003年利用玻璃底桶和潜水员观察了大亚湾的珊瑚分布情况,发现湾北岸和湾中部9个岛屿均有较多珊瑚分布。采用珊瑚礁普查方法,对珊瑚密集分布区进行了19个断面调查,测得珊瑚的覆盖率介于7.5%—58.8%之间。大亚湾的珊瑚绝大多数为浅水石珊瑚,本次调查共鉴定出17种浅水石珊瑚,优势种为精巧扁脑珊瑚Platygyra daedalea、标准蜂巢珊瑚Favia speciosa、澄黄滨珊瑚Porites lutea、十字牡丹珊瑚Pavona decussate、盾形陀螺珊瑚Turbinaria peltata等8个种类。绝大多数珊瑚分布于2—4m水深范围内,最深可达7—8m,珊瑚分布的底质以砂和砾石为主。对大亚湾北岸珊瑚存在的原因进行探讨,建议对大亚湾的珊瑚做进一步调查,并采取保护措施。
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| 关 键 词： | 大亚湾 浅水石珊瑚 分布现状 生态特点 |
| 文章编号： | 1009-5470（2007）03-0063-05 |
| 收稿时间： | 2006-03-06 |
| 修稿时间： | 2006-03-062006-10-15 |
Distribution and ecological characters of neritic stone corals at Daya Bay |
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| LIN Zhao-jin,QIU Yong-song,ZHANG Hang-hua,CHENG Tao.Distribution and ecological characters of neritic stone corals at Daya Bay[J].Journal of Tropical Oceanography,2007,26(3):63-67. |
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| Authors: | LIN Zhao-jin QIU Yong-song ZHANG Hang-hua CHENG Tao |
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| Institution: | South China Sea Fisheries Research Institute, CAFS, Cuangzhou 510300, China |
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| Abstract: | The coral distribution at the Daya Bay was observed in 2003 by diving or using a bucket with a glass bottom. It is found that corals distributed quite abundantly along the north shore and around 9 islands in the middle of the bay. Total 19 transects in the areas with dense corals were surveyed by the reef check method, with coral coverage ranging from 7.5% to 58. 8%. Most of the corals at the Daya Bay were neritic stone corals, and 17 species of neritic stone corals were identified in this survey. Among them, 8 species, including Platygyra daedalea , Favia speciosa , Porites lutea , Pavona decussate , Turbinaria peltata, et al, were dominant. The corals distributed mostly at a depth of 2-4m, seldom at 7 8m. The sea-bed with corals was mainly composed of sand and rubble. The authors also discuss the existence cause of the corals along the north shore of the Daya Bay, and suggest further survey and protection measures for the corals at the Daya Bay. |
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| Keywords: | Daya Bay neritic stone coral distribution status ecological characters |
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