海洋生物功能群变动与生态系统演变
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doi:10.11867/j.issn.1001-8166.2014.07.0854

人们之所以关注海洋生态系统的变化,特别是其变化趋势,是因为这涉及到海洋生态系统的服务与产出。海洋生物多样性的变化是海洋生态系统变化的一个非常重要的指标,但是我们所关注的不仅是海洋生物种类和数量的变化,应更加关注哪些生物减少了、哪些生物增多了,这种变化对海洋生态系统结构与功能会产生什么样的影响?把在生态系统中的作用和地位相同或相近的生物类群作为一个功能群,依据各种生物在生态系统中的功能定位将其划分为不同的功能群,研究在全球变化背景下生物功能群的变动规律,能够从宏观上增强对生态系统结构与功能的了解,预测在全球气候变化和人类活动多重压力下的海洋生态系统演变趋势和资源环境效应,有助于海洋生态系统的海洋管理模式的建立。

关键词: 浮游生物, 功能群, 生态系统演变

Marine ecosystem plays a vital role in the economy and society because of its service and production function. Marine ecosystem always changes under the pressure of climate change and human activities. We concern about the status and future of the ecosystem, but it is very difficult to assess and predict the ecosystem health condition. Marine biodiversity is one of the very important indicators of the marine ecosystem change. We focus not only on species composition and quantity change of marine organisms. It is important to determine which are the main contributors to the structure and function of the ecosystem. According to the function of various plankton species in an ecosystem, they can be divided into different functional groups based on the similarity of their ecological roles. By studying the changes of the functional groups, we can enhance our ability to understand the structure and function of ecosystem, and to predict the trend of ecosystem change and the resultant effect on marine biological resource and environment under the multiple pressures of global climate change and human activities. This will help us to establish the marine ecosystem based management.

Key words: Plankton, Functional groups, Marine ecosystem change.

中图分类号:

P735

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摘要

Marine Plankton Functional Groups Variation and Ecosystem Change