收稿日期: 2010-03-22
修回日期: 2010-06-07
网络出版日期: 2011-05-04
基金资助
海南省“908”项目(HN908-01-02、HN908-02-03); 广西科学研究与技术开发计划项目(桂科攻0992026-2)
Preliminary study of coral larvae supplementary source around Leizhou Peninsula
Received date: 2010-03-22
Revised date: 2010-06-07
Online published: 2011-05-04
Supported by
海南省“908”项目(HN908-01-02、HN908-02-03); 广西科学研究与技术开发计划项目(桂科攻0992026-2)
通过对中国南海北部珊瑚礁资源的调查, 系统分析不同区域珊瑚礁群落的相近性。结合不同珊瑚的区域性和繁殖特点, 推测雷州半岛珊瑚幼虫的外部来源主要是海南岛沿岸、越南沿岸以及广西沿岸的珊瑚群落。通过设定数值模型, 跟踪拉格朗日轨迹方程, 追踪到每年3—6月份从中国西沙群岛到雷州半岛的珊瑚幼虫扩散路径, 验证了对外来幼虫的推测。通过对珊瑚幼虫扩散路径的初步研究, 很好地揭示了我国珊瑚源的问题, 揭示了雷州半岛珊瑚礁资源由于外部幼虫来源不足而减少的原因, 同时也提出了保护珊瑚幼虫来源、保护输运路径的新的珊瑚礁保护区管理理念, 以更好地保护珊瑚礁资源。
王道儒,王华接,李元超,杨毅,梁文 . 雷州半岛珊瑚幼虫补充来源初步研究[J]. 热带海洋学报, 2011 , 30(2) : 26 -32 . DOI: 10.11978/j.issn.1009-5470.2011.02.026
Through the resource survey of coral reef in the northern South China Sea, the authors systematically analyzed the similarity of different coral reef communities and corals of different regional and reproductive characteristics. The authors estimated the path of supplementary source of coral larvae around the Leizhou Peninsula. Through the analysis of many hy-drological data of the northern South China Sea, numerical model, and the Lagrangian trajectory equations, the authors found the transport path of coral larvae from Xisha Archipelago to the Leizhou Peninsula in March to June, which confirmed our hypothesis. The authors answered the questions of where the coral is from and why the coral reef ecosystem of the Leizhou Peninsula is declining. At the same time, they proposed a new coral reef management concept, under which better protection of coral reef resources would be possible.
Key words： coral larva; track; numerical model; Lagrangian trajectory; connectivity
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