搜索结果: 1-2 共查到“水产保护学 fishway”相关记录2条 . 查询时间(0.078 秒)
Field Experiment on the Migration of Fishes to a Paddy Field with a Small Fishway
biological diversity paddy irrigation systems fish protection
2009/9/10
Medaka (Oryzias latipes) populations have recently declined to such a level that they are listed as a species in danger of extinction in the Red Data Book. And a decline in the numbers of catfish and ...