苏州河水质和底栖动物群落1996~2006年的时空变化
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上海市科委重大攻关资助项目( 04DZ12030)


An assessment of long-term changes in water quality and benthos community of Suzhou Creek (1996~2006)
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    摘要:

    分析评价了1996~2006年苏州河水质和底栖动物群落结构的时空变化。结果表明:苏州河环境综合整治工程并没有明显改变下游河段溶解氧低下的状况,底栖生态系统没有改善;苏州河中上游水生生态系统的退化,可能会抵消下游水质改善的效果。苏州河污染整治和水生生态修复的重点应当转移到上游地区。长期数据统计和分析不仅能解释苏州河多年离散的生物学数据,揭示大型底栖动物的长期时空变化规律及其与水质变化的对偶关系,还能指示苏州河修复的关键河段,可以成为河流水质和生态系统评价的有效方法。

    Abstract:

    An assessment of spatiotemporal variations of water quality and benthos community in Suzhou Creek was conducted based on long-term data (1996-2006). The results showed that the clean up projects did not change low DO situation of downstream. Benthos community change indicated ecological deterioration on the upstream, which might offset restoration efforts on the downstream. The upstream area of Suzhou Creek should be the priority in ecological restoration. Long-term data analysis is considered an effective tool of water quality and ecological assessment, not only in interpreting the distribution of biological data coupled with water quality parameters, but also in revealing the critical river segment for ecological restoration.

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程曦,李小平*,陈小华.苏州河水质和底栖动物群落1996~2006年的时空变化.生态学报,2009,29(6):3278~3287

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历史
  • 收稿日期:2008-12-23
  • 最后修改日期:2009-02-19
  • 录用日期:2009-02-19
  • 在线发布日期: 2009-07-03
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