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首页> 外文期刊>Wiley Interdisciplinary Reviews: Water >Multispecies assemblages and multiple stressors: Synthesizing the state of experimental research in freshwaters
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Multispecies assemblages and multiple stressors: Synthesizing the state of experimental research in freshwaters

机译：多物种组合和多重压力源：综合淡水实验研究的现状

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Abstract Recent decades have witnessed a sharp biodiversity decline in freshwaters due to multiple stressors. The presence of multiple stressors is expected to affect community structure and interactions in freshwater ecosystems, with subsequent functional consequences. We synthesized the state of experimental, manipulative multiple‐stressor studies that focused on multispecies assemblages in freshwaters. Compared to rivers and lakes, wetland and groundwater ecosystems have received much less attention in identified multiple‐stressor research. Most of the identified studies investigated combinations of abiotic stressors (e.g., nutrients, pesticides, heavy metals, warming, altered flow and sedimentation) on microbes and invertebrates while biotic stressors and vertebrates have been largely overlooked. The responses of community structure (e.g., alpha diversity, biomass, and abundance), some community/ecosystem functions (e.g., photosynthesis and autotrophic activity, leaf litter degradation), and morphological traits like body size and growth forms were frequently investigated. We observed a clear gap in biotic interactions under multiple‐stressor conditions, which, although difficult to study, could impede a deeper mechanistic understanding of how multiple stressors affect freshwater assemblages and associated ecological processes. Although information on ecosystem recovery pathways following restoration is critical for freshwater management, few studies were designed to provide such information, signifying the disconnections between multiple‐stressor research and environmental practice. To bridge these gaps, researchers and environmental practitioners need to work together to identify key stressors and interactions at different spatial and temporal scales and prioritize stressor management. Such collaborations will enhance the translation of multiple‐stressor research into efficient management strategies to protect and restore freshwater ecosystems. This article is categorized under: Water and Life > Stresses and Pressures on Ecosystems Water and Life > Conservation, Management, and Awareness
机译：摘要近几十年来取得了一把锋利的生物多样性的相似性将下降多重压力。压力将影响社区在淡水中结构和交互生态系统,与随后的功能的后果。实验操纵多个压力源研究集中在multispecies组合的相似性。湿地和地下水生态系统已收到在确定了更少的关注多个压力源的研究。确定了研究调查的组合非生物压力(如营养、农药、重金属,变暖,流和改变沉积)有关微生物和无脊椎动物而生物压力和脊椎动物很大程度上被忽略了。结构(例如,α多样性、生物量和丰富),一些社区/生态系统功能(例如,光合作用和自养的活动,落叶降解),和形态特征和身体大小和增长形式频繁的调查。生物相互作用在多重压力条件,尽管很难学习,可能会阻碍更大的机械的理解多个压力如何影响淡水组合和相关生态过程。尽管信息生态系统恢复通路后恢复是至关重要的淡水资源管理,一些研究设计提供这样的信息,这说明断开连接多个列车之间的压力源的研究和环保实践。研究人员和环境从业者所需要的识别关键的压力和工作在一起在不同的空间和时间的相互作用尺度和优先考虑压力管理。合作会提高翻译多个检测压力源的研究效率保护和恢复管理策略淡水生态系统。以下的分类:水和生活>压力和生态系统的水压力和生活>保护、管理和意识

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