在一个温带半封闭的海湾中,评估时间性半动物浮游生物群落变异性的自上而下的和自下而上的驱动因素,中国
Weicheng Wang1, Nan Wang2, Yantao Wang2
1State Key Laboratory of Mariculture Breeding, Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, College of Marine Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
Marine pollution bulletin
|October 23, 2024
概括
州湾中动物浮游生物的丰度在春夏达到顶峰,受降雨和温度的影响. 月球水母的开花对这个社区产生了重大影响,超过了其他因素.
科学领域:
- 海洋生态海洋生态学
- 动物浮游生物的动力学
- 嘉州湾生态系统 嘉州湾生态系统
背景情况:
- 中原浮游生物群落对于海洋食物网至关重要.
- 了解动物浮游生物波动的驱动因素是生态系统管理的关键.
- 州湾 (JZB) 经历了显著的环境变化.
研究的目的:
- 调查从上向下和自下向上的因素,调节从2003年至2011年的JZB中介动物浮游生物的时间变化.
- 分析季节性和跨年变化中的中动物浮游生物群体结构.
- 为了确定环境因素和掠食对动物浮游生物动态的相对影响.
主要方法:
- 长期监测中浮游生物群落的组成和数量.
- 分析环境数据,包括降水量,水温和叶绿素a.
- 相关性分析以确定动物浮游生物波动的关键驱动因素,包括水母繁殖.
主要成果:
- 中原浮游生物表现出明显的季节性模式,在春夏达到顶峰,与降水,温度和叶绿素a相关.
- 观察到显著的年际变化,在2009年和2011年出现了显著的低丰度最大值.
- 月球水母 (Aurelia coerulea) 的人口激增和极端降雨事件与主要社区转移相吻合.
结论:
- 通过月球水母的自上而下的控制,水母的开花可以覆盖自下而上的影响,比如JZB的降雨.
- 这些捕食者-猎物动态对JZB食物网的结构和功能有重大影响.
- 有效的生态系统管理需要考虑多种生态力量的复杂相互作用.
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