山口红树林保护区圆尾蝎鲎种群动态

doi:10.13292/j.1000-4890.202205.016

生态学杂志 ›› 2022, Vol. 41 ›› Issue (5): 973-978.doi: 10.13292/j.1000-4890.202205.016

山口红树林保护区圆尾蝎鲎种群动态

应紫薇^1,2,林吴颖³,肖晓波³,赵心忆³,李银康^1,2,颉晓勇^1*

（¹中国水产科学研究院南海水产研究所，农业农村部南海渔业资源开发利用重点实验室，广州 510300；²上海海洋大学水产科学与生命学院，上海 201306；³广西生物多样性研究和保护协会，南宁 530012）

出版日期:2022-05-10 发布日期:2022-10-10

Dynamics of Carcinoscorpius rotundicauda population at Shankou Mangrove Ecological and Natural Reserve, Guangxi.

YING Zi-wei^1,2, LIN Wu-ying³, XIAO Xiao-bo³, ZHAO Xin-yi³, LI Yin-kang^1,2, XIE Xiao-yong^1*

(¹Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China; ²College of Fisheries Science and Life Science, Shanghai Ocean University, Shanghai 201306, China; ³Guangxi Biodiversity Research and Conservation Association, Nanning 530012, China).

Online:2022-05-10 Published:2022-10-10

摘要/Abstract

摘要： 鲎是珍贵的海洋“活化石”生物。本研究于2014—2020年在广西北海山口红树林生态自然保护区开展圆尾蝎鲎（Carcinoscorpius rotundicauda）种群动态调查。总计观察到圆尾蝎鲎990只，种群数量呈现逐年下降趋势，其中第6个调查年相比第1个调查年下降94.60%，表明圆尾蝎鲎资源保护已势在必行；雄鲎占80.28%，雌鲎占17.50%。圆尾蝎鲎种群动态呈现显著季节规律性，种群数量与温度及北风和南风风向状态值（0和4）呈显著正相关，显示出滨海风向标生物特征。本研究揭示了圆尾蝎鲎种群动态及其影响因素，为保护区鲎资源保护提供参考依据。

关键词: 圆尾蝎鲎, 风向, 种群数量, 季节规律

Abstract: Horseshoe crabs are precious marine ‘living fossil’. Little information is available on dynamics of Carcinoscorpius rotundicauda population. During the period of 2014 to 2020, wemonitored C. rotundicauda population at Shankou Mangrove Reserve in Behai, Guangxi. A total of 990 individuals of C. rotundicauda were recorded, with a declining trend of the population. In the sixth survey year, the population decreased by 94.60% compared with that in the first survey year, indicating thatthe conversation of this species is imperative. Male accounted for 80.28% of the total individuals, while females accounted for 17.50%. The population of C. rotundicaudafluctuated seasonally, and the population size was significantly positively correlated with temperature and the north and south wind direction states (0 and 4), suggesting biological characteristics of coastal vane for C. rotundicauda. This study help understand the population dynamics of C. rotundicauda and its influencing factors, providing reference for the protection of C. rotundicauda resources in the reserve.

Key words: Carcinoscorpius rotundicauda, wind direction, population size, seasonal variation.

应紫薇, 林吴颖, 肖晓波, 赵心忆, 李银康, 颉晓勇. 山口红树林保护区圆尾蝎鲎种群动态[J]. 生态学杂志, 2022, 41(5): 973-978.

YING Zi-wei, LIN Wu-ying, XIAO Xiao-bo, ZHAO Xin-yi, LI Yin-kang, XIE Xiao-yong. Dynamics of Carcinoscorpius rotundicauda population at Shankou Mangrove Ecological and Natural Reserve, Guangxi. [J]. Chinese Journal of Ecology, 2022, 41(5): 973-978.

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山口红树林保护区圆尾蝎鲎种群动态

Dynamics of Carcinoscorpius rotundicauda population at Shankou Mangrove Ecological and Natural Reserve, Guangxi.

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