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程琼, 庄婉娥, 杨丽阳. 水生系统中溶解态有机质的激发效应研究进展[J]. 环境化学, 2018, 37(1): 10-18. doi: 10.7524/j.issn.0254-6108.2017050802
引用本文: 程琼, 庄婉娥, 杨丽阳. 水生系统中溶解态有机质的激发效应研究进展[J]. 环境化学, 2018, 37(1): 10-18. doi: 10.7524/j.issn.0254-6108.2017050802
shu
CHENG Qiong, ZHUANG Wan, YANG Liyang. Priming effect of dissolved organic matter in aquatic ecosystems: A review[J]. Environmental Chemistry, 2018, 37(1): 10-18. doi: 10.7524/j.issn.0254-6108.2017050802
Citation: CHENG Qiong, ZHUANG Wan, YANG Liyang. Priming effect of dissolved organic matter in aquatic ecosystems: A review[J]. Environmental Chemistry, 2018, 37(1): 10-18. doi: 10.7524/j.issn.0254-6108.2017050802
shu

水生系统中溶解态有机质的激发效应研究进展

  • 1.

    福州大学环境与资源学院, 福州, 350116;

  • 2.

    福建农林大学生命科学学院, 福州, 350002

  • 基金项目:

    国家自然科学基金（41606094）和福州大学贵重仪器设备开放测试基金（2017T019）资助.

Priming effect of dissolved organic matter in aquatic ecosystems: A review

  • 1.

    College of Environment and Resources,Fuzhou University,Fuzhou, 350116, China;

  • 2.

    College of Life Sciences,Fujian Agriculture and Forestry University, Fuzhou, 350002, China

  • Fund Project: Supported by the National Natural Science Foundation of China(41606094)and the Valuable Equipments Foundation of Fuzhou University(2017T019).

  • 摘要: 溶解态有机质（DOM）的迁移转化是影响水环境生物地球化学循环和生态系统功能的重要过程.DOM是来源丰富、化学结构和活性不同的成千上万种化合物的混合物.其中，活性组分的存在可能促进微生物对惰性组分的降解，形成清除惰性DOM的一个重要机制，即激发效应，对全球碳循环和生态系统产生深远影响.当前，水生系统DOM激发效应研究主要运用各种化学和生物的方法，监测添加活性DOM对惰性DOM的降解速率和微生物丰度与群落结构的改变.在不同的研究体系中，存在正激发、负激发和无激发等3种效应，受到活性DOM和惰性DOM的特征、微生物响应特征和环境因子等的综合作用.新方法的应用和典型区域、典型事件的观测，将有助于评估水生系统DOM的激发效应、深入理解DOM的微生物转化过程.
    Abstract: The transport and transformation of dissolved organic matter (DOM) are critical processes for the biogeochemical cycling and ecosystem function in aquatic environments. DOM is a mixture of thousands of organic compounds from multiple sources, which differ in chemical structure and reactivity. The occurrence of labile components may stimulate the microbial degradation of refractory components, which is defined as priming effect, an important mechanism for removing the refractory DOM with profound implications for global carbon cycle and ecosystem. The priming effect of aquatic DOM has been investigated using a variety of chemical and biological methods, for testing changes in the degradation of refractory DOM and the abundance and community structure of microbes with the addition of labile DOM. Three types of priming effect have been identified for different systems including positive, negative and no priming, which are dependent on the characteristics of labile and refractory DOM, microbial responses, and environmental factors. Further applications of new techniques and monitoring in typical regions and for typical events, are valuable for assessing the priming effect of DOM in aquatic ecosystems and for better understanding the microbial transformations of DOM.
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  • 收稿日期:  2017-05-08
  • 刊出日期:  2018-01-15
程琼, 庄婉娥, 杨丽阳. 水生系统中溶解态有机质的激发效应研究进展[J]. 环境化学, 2018, 37(1): 10-18. doi: 10.7524/j.issn.0254-6108.2017050802
引用本文: 程琼, 庄婉娥, 杨丽阳. 水生系统中溶解态有机质的激发效应研究进展[J]. 环境化学, 2018, 37(1): 10-18. doi: 10.7524/j.issn.0254-6108.2017050802
shu
CHENG Qiong, ZHUANG Wan, YANG Liyang. Priming effect of dissolved organic matter in aquatic ecosystems: A review[J]. Environmental Chemistry, 2018, 37(1): 10-18. doi: 10.7524/j.issn.0254-6108.2017050802
Citation: CHENG Qiong, ZHUANG Wan, YANG Liyang. Priming effect of dissolved organic matter in aquatic ecosystems: A review[J]. Environmental Chemistry, 2018, 37(1): 10-18. doi: 10.7524/j.issn.0254-6108.2017050802
shu

水生系统中溶解态有机质的激发效应研究进展

  • 1.  福州大学环境与资源学院, 福州, 350116;
  • 2.  福建农林大学生命科学学院, 福州, 350002
  • 收稿日期:  2017-05-08
基金项目:

国家自然科学基金（41606094）和福州大学贵重仪器设备开放测试基金（2017T019）资助.

摘要: 溶解态有机质（DOM）的迁移转化是影响水环境生物地球化学循环和生态系统功能的重要过程.DOM是来源丰富、化学结构和活性不同的成千上万种化合物的混合物.其中，活性组分的存在可能促进微生物对惰性组分的降解，形成清除惰性DOM的一个重要机制，即激发效应，对全球碳循环和生态系统产生深远影响.当前，水生系统DOM激发效应研究主要运用各种化学和生物的方法，监测添加活性DOM对惰性DOM的降解速率和微生物丰度与群落结构的改变.在不同的研究体系中，存在正激发、负激发和无激发等3种效应，受到活性DOM和惰性DOM的特征、微生物响应特征和环境因子等的综合作用.新方法的应用和典型区域、典型事件的观测，将有助于评估水生系统DOM的激发效应、深入理解DOM的微生物转化过程.

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