operator that there are fish swimming in the gracht, and that the lock should be opened. It is designed to aid in seasonal fish migration, as an alternative... 3 KB (334 words) - 19:11, 26 March 2024 |
to facilitate diadromous fishes' natural migration as well as movements of potamodromous species. Most fishways enable fish to pass around the barriers... 22 KB (2,474 words) - 18:21, 7 April 2024 |
Salmon run (redirect from Salmon migration) A salmon run is an annual fish migration event where many salmonid species, which are typically hatched in fresh water and live most of the adult life... 70 KB (6,842 words) - 15:53, 8 April 2024 |
Weir (section Fish migration) dams, weirs do not usually prevent downstream fish migration (as water flows over the top and allows fish to bypass the structure in that water), although... 19 KB (2,304 words) - 13:18, 5 March 2024 |
World Fish Migration Day (WFMD) is celebrated every other year to raise global attention to the need for restored river connections for migrating fish to... 9 KB (999 words) - 03:45, 24 November 2023 |
A fish screen is designed to prevent fish from swimming or being drawn into an aqueduct, cooling water intake, intake tower, dam or other diversion on... 8 KB (938 words) - 22:44, 27 October 2023 |