The Grand Coulee and Chief Joseph dams don’t include fish ladders, and so in August the Colville Tribes released 100 salmon 35 miles upstream of the two dams in an attempt to see if they would survive and spawn.
More than 50,000 juvenile fish were killed or escaped in the incident on Skye, says an industry body. The Scottish Salmon Producers Organisation (SSPO) said predation attacks continued to have a significant impact on fish health and welfare.
Some 22,950 sockeye were counted at Ballard’s Hiram Chittenden Locks in 2020, but only about 3,000 made it to the mouth of the Cedar. Another 40 to 50% of those fish typically die on the spawning grounds before they can reproduce.A vortex of climate change, urbanization and predators endangers a beloved species.
Researchers document unusual find: 31 torpedo rays wash up on Provincetown beach just after Christmas.
The cause of death is almost certainly acute Aspergillosis, a respiratory tract infection caused by a fungus commonly found in soil, dead leaves, moldy grain, compost piles, or in other decaying vegetation. Wildlife managers say the die-off seems to have stopped, likely due to the fungus source no longer being available.
Homalco First Nation to push for special hatchery permits
The warmest November in over 100 years has had unusual consequences in Finnmark. The video shows the third breakup this autumn.
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