中华人民共和国国家生态环境标准HJ1295—2023水生态监测技术指南河流水生生物监测与评价（试行）Technicalguidelinesforwaterecologicalmonitoring—aquaticorganismmonitoringandevaluationofrivers（ontrial）本电子版为正式标准文本，由生态环境部环境标准研究所审校排版。2023-04-20发布2024-01-01实施生态环境部发布HJ1295—2023i目次前言.....................................................................................................................................................................ii1适用范围...........................................................................................................................................................12规范性引用文件...............................................................................................................................................13术语和定义.......................................................................................................................................................14点位布设与监测频次.......................................................................................................................................25监测方法...........................................................................................................................................................36质量保证和质量控制.......................................................................................................................................47评价方法...........................................................................................................................................................4附录A（资料性附录）着生藻类监测方法.....................................................................................................7附录B（资料性附录）底栖动物测定结果计算...........................................................................................11附录C（资料性附录）IBI指数评价方法....................................................................................
