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首页> 外文期刊>Ocean & coastal management >Effects of environmental factors on benthic species in a coastal wetland by redundancy analysis
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Effects of environmental factors on benthic species in a coastal wetland by redundancy analysis

机译：冗余度分析环境因子对沿海湿地底栖生物的影响

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摘要

To elucidate the effects of environmental factors on the richness and diversity of benthic species, this study investigates the hydrology, water quality and physicochemical conditions of the soil around a coastal wetland in Central Taiwan. Samples were extracted monthly from 20 sites around the coastal wetland for one year and analyzed by redundancy analysis (RDA). The outcomes of this study reveal that the environmental parameters of the habitat govern different patterns of benthic species in wetlands. The properties of soil influence the pattern of benthic species, which has been changing in the study area owing to human activities, such as land reclamation, the building of bulwarks and the emission of pollution. The results reveal that heavy pollution loading near the local area with animal husbandry also reduced the richness and diversity of benthos. Principal Component Analysis (PCA) is used to identify all relevant environmental factors to explain the impact of economic and environmental behaviors on the distribution of benthic species. The PCA results demonstrate that short-term and long-term pollution differently influence patterns of benthic species.
机译：为了阐明环境因素对底栖物种丰富度和多样性的影响，本研究调查了台湾中部沿海湿地周围土壤的水文，水质和理化条件。每月从沿海湿地周围的20个地点提取样品，为期一年，并通过冗余分析（RDA）进行分析。这项研究的结果表明，栖息地的环境参数控制着湿地底栖物种的不同模式。土壤特性影响底栖物种的格局，由于人类活动（例如开垦土地，建造堡垒，污染排放），底栖物种的格局一直在变化。结果表明，畜牧业在当地附近造成的重污染也降低了底栖动物的丰富度和多样性。主成分分析（PCA）用于识别所有相关的环境因素，以解释经济和环境行为对底栖物种分布的影响。 PCA结果表明，短期和长期污染对底栖生物的影响方式不同。

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