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根据PSR框架进行生态风险评估,并将其应用于浅层城市湖泊

Dan Wu¹, Ting Chen¹, Lei Zhang¹

¹State Environmental Protection Key Laboratory of Aquatic Ecosystem Health in the Middle and Lower Reaches of Yangtze River, Jiangsu Provincial Academy of Environmental Science, Nanjing, China.

Environmental science and pollution research international

|February 29, 2024

概括

城市湖泊面临着城市化带来的退化. 一个新的生态安全指数 (ESI) 评估了风险,发现两个湖泊"安全",一个湖泊有"潜在的生态风险",指导恢复工作.

科学领域:

环境科学环境科学
生态生态学生态生态学
城市水文学城市水文学

背景情况:

浅的城市湖泊容易因快速城市化而退化.
问题包括缩,藻类繁殖和生物多样性丧失,威胁到可持续性.
需要整体的框架来进行全面的生态风险评估.

研究的目的:

使用压力状态响应 (PSR) 框架开发城市湖泊生态风险评估的索引系统.
评估中国江苏省三个城市湖泊的生态风险.

主要方法:

分析政府统计数据,遥感图像和现场测量.
生态安全指数 (ESI) 系统的开发和应用.
对扬湖 (LYC),长大湖 (LCD) 和塔山湖 (LTS) 的生态风险评估.

主要成果:

LYC和LTS分别被归类为"大部分安全"和"普遍认为安全".
液晶显示器被认为具有"潜在的生态风险".
社会经济压力和水生健康是LYC和LCD的关键因素;管理计划可以改善LTS.

结论:

污水负载,森林草地覆盖率低,海岸线损害影响城市湖泊.
该ESI系统为城市湖泊风险评估提供了一个全面的方法.
调查结果为湖泊恢复和环境可持续性的流域管理提供了信息.

关键词:

生态风险生态风险生态系统生态系统是什么这是PSR的PSR.城市湖泊城市湖泊流域管理流域管理

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