（来源：BRTV建外14号）
记者从北京市水务局获悉：2025年北京市水生态监测成果日前出炉，涉及146个水体，监测范围覆盖全市主要河流、湖库。监测结果显示，全市有水河流168条，同比增加50条；有水河长3511.62公里，同比增加601.44公里。处于健康等级的水体137个，占93.8%，健康水体比例首次超九成，全市水生态健康状况稳步提升。
2025年北京市水生态监测调查采集鱼类78种，同比增加4种，为花斑花鳅、凌河小鳔𬶋、济南鳑鲏、清徐小鳔𬶋；浮游植物486种，同比增加27种；大型底栖无脊椎动物387种，同比增加149种。全市大型水生植物累计120种，同比增加27种，广泛分布的物种有芦苇、香蒲、金鱼藻、黑藻、菹草以及狐尾藻等。
经过多年系统性保护与修复，北京市水生态系统结构与功能已发生根本性转变，河流生态系统已实现从“浮游植物为优势组分的藻型浊水态”向“沉水植被为优势组分的草型清水态”的关键转换，水体自净能力、水质稳定性及生态服务功能显著提升；湖库生态系统在维持防洪调蓄、水资源供给等核心功能基础上，逐步成为区域生物多样性富集区，孕育了丰富的水生生物资源，形成了结构稳定、功能完善的复合生态系统。
来源：北京日报客户端
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