谢福武,谢海群,吴程宏,何书海

• 1:海南省生态环境监测中心
• 2:海南省海洋与渔业科学院

摘要(Abstract)：

【目的】研究人工鱼礁生态区浮游动物种群分布和群落结构变化规律以及对主要环境因子响应机制。【方法】于2019年3月和9月对海南文昌人工鱼礁附近海域展开调查研究，各获取7个站位的样品数据，通过形态鉴定与Pearson相关性分析，比较浮游动物的群落特征，并探讨其季节性差异的影响因素。【结果与结论】鱼礁生态区共鉴定浮游动物48科61属79种，浮游幼体19类；春季53属65种，秋季45属53种；分为暖温带类群、暖水沿岸类群和暖水广布类群三个生态类群。优势种随季节的变化而更替，春季以鸟喙尖头溞（Penilia avirostris）和锥形宽水蚤（Temora turbinata）为主，秋季则以瘦歪水蚤（Tortanus gracilis）和肥胖箭虫（Sagitta enflata）等种类组成。浮游动物种类数、物种丰富度、丰度和生物量整体呈现为春季大于秋季，尤其是丰度、生物量呈极显著差异性（P <0.01），而多样性指数、均匀度则反之。海洋理化环境因子与浮游动物相关参数存在相关性，春季水温、NH_4-N质量浓度为主要环境限制因子，与丰度、均匀度和多样性指数存在显著负相关性（P <0.05），而种类数、丰富度与NH_4-N质量浓度间则呈极显著正相关性（P <0.01）；秋季浮游动物生物量则与pH、溶解氧质量浓度存在不同程度的显著负相关性（P <0.05、P <0.01）。

关键词(KeyWords)： 浮游动物;群落特征;环境因子;人工鱼礁;海南文昌

Abstract:

Keywords:

基金项目(Foundation): 海南省自然科学基金青年基金项目（321QN0960）;; 2021年海南省属科研院所技术开发专项“海南省不同底质类型海洋牧场渔业资源养护效果评估”

作者(Author): 谢福武,谢海群,吴程宏,何书海

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