摘要
针对我国目前生态需水研究难以反映河流自然生态水文信息和保护对象需水过程的问题,以岷江上游干流典型电站——姜射坝水电站为例,以齐口裂腹鱼为主要保护对象,结合河道内流量增量法、目标河段天然径流过程和目标物种栖息地生态水文特征,获得了姜射坝水电站闸址下游河道生态流量过程,尽量保留了涨落水变化和流量脉冲过程对齐口裂腹鱼产卵活动的水文信号刺激,有助于恢复河流生态系统的多样性。
Previous studies on ecological water demand hardly reflect the natural hydrological regime of rivers and water demand process of protection objects.Based on the water demand of Schizothorax prenanti,the ecological flow regime of the Jiangsheba hydropower station constructed in the upper reaches of Minjiang River was determined in this paper.Based on the IFIM,the ecological flow regime meeting the eco-hydrological characteristics of Schizothorax prenanti habitat was obtained considering both the eco-hydrological index system for Schizothorax prenanti habitat and the natural runoff process of the upper reaches of Minjiang River.It retained the fluctuation and discharge pulse of the river,which stimulated fish to spawn and contributed to recovering river ecosystem diversity.
出处
《水电能源科学》
北大核心
2015年第3期10-13,共4页
Water Resources and Power
基金
国家自然科学基金项目(51379136
51309170)
