Termonbarry weir; migration barrier with inadequate fish pass Ecofact 1:15 7 years ago 529 Скачать Далее
River Etne resistance board weir installation in western Norway, April 2013 Cramer Fish Sciences 0:28 10 years ago 193 Скачать Далее
Mid construction footage of the new fishpass at Kirkstall Abbey Weir The Aire Rivers Trust 0:32 4 years ago 2 492 Скачать Далее
Armley Weir prior to construction of a new fish pass The Aire Rivers Trust 1:26 4 years ago 197 Скачать Далее
Salmon using temporary fish pass Ludlow 15th November 2016 Dave Throup 0:35 7 years ago 12 054 Скачать Далее
How long does it take to install an eel pass on Newby Bridge Weir in Cumbria? EnvironmentAgencyTV 0:32 10 years ago 453 Скачать Далее
Severn Rivers Trust - Lingen Weir Fish Pass Severn Rivers Trust 3:10 10 years ago 4 153 Скачать Далее
Fish Passage for Trout - Jack Spees Ribble Rivers Trust Wild Trout Trust 17:46 9 years ago 1 493 Скачать Далее
