Microbial indicators of aquatic ecosystem change: current applications to eutrophication studies.

Microbial indicators of aquatic ecosystem change: current applications to eutrophication studies.
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DOI:
10.1016/s0168-6496(03)00200-9
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发表时间:
2003-12
影响因子:
4.2
通讯作者:
H. Paerl;J. Dyble;P. H. Moisander;R. Noble;M. Piehler;J. Pinckney;T. Steppe;L. Twomey;L. M. Valdes
H. Paerl;J. Dyble;P. H. Moisander;R. Noble;M. Piehler;J. Pinckney;T. Steppe;L. Twomey;L. M. Valdes
中科院分区:
生物学3区
文献类型:
--
作者:
H. Paerl;J. Dyble;P. H. Moisander;R. Noble;M. Piehler;J. Pinckney;T. Steppe;L. Twomey;L. M. Valdes

文献摘要

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人类对水生生态系统的侵蚀正在以前所未有的速度增加。人类污染和栖息地改变的影响在微生物层面上最为明显和最令人担忧,因为大部分生产和营养循环都发生在微生物层面。水生生态系统还受到自然扰动的影响,包括干旱、风暴和洪水,其频率和程度可能正在增加。区分和整合自然和人类应激源的影响对于理解环境驱动的微生物多样性和功能变化至关重要。微生物生物指示剂在检测和表征这些变化方面发挥着重要作用。分析和分子指示剂工具的互补使用在帮助我们澄清微生物种群、群落和生态系统变化的潜在过程以应对环境扰动方面显示出巨大的前景。浮游植物(微藻和蓝藻)和细菌群落的变化说明了这一点,美国河口和沿海生态系统的一系列生态系统经历了水和空气棚的日益发展,以及气候变化(例如,飓风频率增加)。微生物指标可以适用于一系列监测项目,包括渡轮、系泊仪器和遥感,以便从全球范围评估对生态系统微生物群落结构和功能的环境控制。
Human encroachment on aquatic ecosystems is increasing at an unprecedented rate. The impacts of human pollution and habitat alteration are most evident and of greatest concern at the microbial level, where a bulk of production and nutrient cycling takes place. Aquatic ecosystems are additionally affected by natural perturbations, including droughts, storms, and floods, the frequency and extent of which may be increasing. Distinguishing and integrating the impacts of natural and human stressors is essential for understanding environmentally driven change of microbial diversity and function. Microbial bioindicators play a major role in detecting and characterizing these changes. Complementary use of analytical and molecular indicator tools shows great promise in helping us clarify the processes underlying microbial population, community, and ecosystem change in response to environmental perturbations. This is illustrated in phytoplankton (microalgal and cyanobacterial) and bacterial community changes in a range of US estuarine and coastal ecosystems experiencing increasing development in their water- and airsheds as well as climatic changes (e.g., increasing hurricane frequency). Microbial indicators can be adapted to a range of monitoring programs, including ferries, moored instrumentation, and remote sensing, in order to evaluate environmental controls on microbial community structure and function over ecosystem to global scales.