张凯,田相利,董双林,冯建祥,孙侦龙,宫海宁

• 1:中国海洋大学海水养殖教育部重点实验室
• 2:大连海洋大学生命科学与技术学院

摘要(Abstract)：

通过对山东省靖海湾海蜇养殖港塭定期采样,采用稀释法研究该海蜇养殖港塭水体中浮游植物的生长率、微型浮游动物对浮游植物的摄食率、摄食压力以及微型浮游动物的生产力。研究结果表明,海蜇养殖港塭微型浮游动物组成比较简单,海蜇养殖期间微型浮游动物丰度低于海蜇捕捞结束期。其中,海蜇养殖期间微型浮游动物的优势种为根状拟铃虫(Tintinnopsis radix),为600~2 600 ind/L,而海蜇捕捞结束后优势种为根状拟铃虫、诺氏麻铃虫(Leprotintinnus nordquisti)和运动类铃虫(Codonellopsis mobilis),丰度分别为3 000~6 000、1 500~3 0001、500~3 000 ind/L。研究期间,该港塭浮游植物生长率为0.05~1.03 d-1。微型浮游动物的摄食率为0.24~2.37 d-1,对浮游植物现存量的摄食压力为21.10%~90.61%,对潜在初级生产力的摄食压力为77.08%~583.68%,而微型浮游动物的次级生产力占初级生产力的22.92%~76.92%。本研究表明微型浮游动物在海蜇养殖港塭生态系统物质和能量流动中起着重要作用。

关键词(KeyWords)： 海蜇养殖港塭;微型浮游动物;摄食;稀释法;生产力

Abstract:

Keywords:

基金项目(Foundation): 国家十一五科技支撑计划项目(2006BAD09A01,2006BAD09A06);; 国家高技术研究发展计划项目(2006AA10Z409)资助

作者(Author): 张凯,田相利,董双林,冯建祥,孙侦龙,宫海宁

DOI: 10.16441/j.cnki.hdxb.2011.04.011

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