东平湖底泥重金属分布特征及生态风险评价

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随着工业发展和经济发展,各类污染物通过大气沉降、废水排放、降水、土壤冲刷等不同途径进入底泥并逐渐富集,造成底泥污染日益加剧。在底泥污染物中,重金属因不能降解、生物蓄积性、生态风险性、环境危害持久性等特征而受到广泛关注。东平湖既是南水北调东线一期干线工程最后一座蓄水湖,也是山东省西水东送的水源地,其水质安全一直被广泛关注,有关东平湖污染特征的研究较多,但大多数侧重于富营养化研究及水中重金属污染研究,对东平湖底泥重金属污染分布特征和风险评价方面的研究较少。本研究以东平湖底泥为研究对象,采用内梅罗指数法、
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