Impacts of habitat alteration on macroinvertebrates in large shallow lakes: An application of a macroinvertebrate-based multimetric index

IF 3 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Integrated Environmental Assessment and Management Pub Date : 2024-06-05 DOI:10.1002/ieam.4966

Mingjie Li, Yongjiu Cai, Ying Zhang, Peter E. Carlson, Rui Dong, Zhijun Gong, You Zhang, Kuanyi Li

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Abstract

Habitat plays a crucial role in shaping the macroinvertebrate community structure in large shallow lakes. In the pursuit of improving the health of freshwater ecosystems, it is imperative to consider their habitat characteristics. To evaluate the impact of habitat variations on lake ecological health, we developed a macroinvertebrate-based multimetric index (MMI) for both the pelagic and littoral zones of Lake Hongze. Additionally, we employed structural equation models to explore the influence of utilization or phytoplankton biomass on ecological health. Historical data served as reference conditions for the pelagic. Seven key attributes were selected for the pelagic MMI, that is, Biological Monitoring Working Party (BMWP), the percentage of Mollusca taxa, the percentage of filter-collector taxa, the percentage of predator taxa, the percentage of gather-collector taxa, and the percentage of sensitive taxa and functional dispersion. The least minimally disturbed conditions and the best attainable conditions were used to develop the littoral. Four key metrics, that is, the percentage of scraper abundance, Mollusca taxa, Biological Pollution Index, and BMWP, were integrated into the littoral MMI. The assessment based on MMI revealed a “poor” health status for the pelagic zone and a “fair” health status for the littoral zone. These findings underscore the high applicability and efficacy of MMIs in assessing and monitoring ecological health in Lake Hongze. Notably, functional feeding groups exhibited heightened sensitivity to disturbance in both zones. Moreover, sediment organic matter strongly influenced the pelagic ecological health, while chlorophyll a and transparency emerged as primary factors influencing the littoral zone, attributable to varying littoral zone utilization. Integr Environ Assess Manag 2024;20:2245–2255. © 2024 SETAC

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生境改变对大型浅水湖泊中大型无脊椎动物的影响：基于大型无脊椎动物的多指标指数的应用。

栖息地对大型浅水湖泊中大型无脊椎动物群落结构的形成起着至关重要的作用。为了改善淡水生态系统的健康状况，必须考虑其生境特征。为了评估生境变化对湖泊生态健康的影响，我们为洪泽湖的浮游区和沿岸区建立了基于大型无脊椎动物的多参数指数（MMI）。此外，我们还采用结构方程模型探讨了利用率或浮游植物生物量对生态健康的影响。历史数据作为浮游生物的参考条件。我们选择了七个关键属性作为浮游生物多指标指数，即生物监测工作组（BMWP）、软体动物类群百分比、滤食性类群百分比、捕食性类群百分比、采集性类群百分比、敏感类群百分比和功能分散性。最小干扰条件和可达到的最佳条件被用于开发滨水区。四个关键指标，即刮刀类丰度百分比、软体动物类群、生物污染指数和 BMWP，被整合到滨海多指标类群中。根据多指标海洋质量指数进行的评估显示，水层区的健康状况为 "较差"，沿岸区的健康状况为 "一般"。这些研究结果表明，多指标类群在评估和监测洪泽湖生态健康方面具有很高的适用性和有效性。值得注意的是，两个区域的功能摄食群对干扰的敏感性都有所提高。此外，沉积物有机质对浮游生物生态健康影响很大，而叶绿素a和透明度则是影响沿岸带的主要因素，这归因于沿岸带利用率的不同。集成环境评估管理 2024;00:1-11。© 2024 SETAC.

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来源期刊

Integrated Environmental Assessment and Management ENVIRONMENTAL SCIENCESTOXICOLOGY&nbs-TOXICOLOGY

CiteScore

5.90

自引率

6.50%

发文量

156

期刊介绍： Integrated Environmental Assessment and Management (IEAM) publishes the science underpinning environmental decision making and problem solving. Papers submitted to IEAM must link science and technical innovations to vexing regional or global environmental issues in one or more of the following core areas: Science-informed regulation, policy, and decision making Health and ecological risk and impact assessment Restoration and management of damaged ecosystems Sustaining ecosystems Managing large-scale environmental change Papers published in these broad fields of study are connected by an array of interdisciplinary engineering, management, and scientific themes, which collectively reflect the interconnectedness of the scientific, social, and environmental challenges facing our modern global society: Methods for environmental quality assessment; forecasting across a number of ecosystem uses and challenges (systems-based, cost-benefit, ecosystem services, etc.); measuring or predicting ecosystem change and adaptation Approaches that connect policy and management tools; harmonize national and international environmental regulation; merge human well-being with ecological management; develop and sustain the function of ecosystems; conceptualize, model and apply concepts of spatial and regional sustainability Assessment and management frameworks that incorporate conservation, life cycle, restoration, and sustainability; considerations for climate-induced adaptation, change and consequences, and vulnerability Environmental management applications using risk-based approaches; considerations for protecting and fostering biodiversity, as well as enhancement or protection of ecosystem services and resiliency.