Warming rivers in US West killing fish, imperiling industry

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Baby salmon are dying by the thousands in one California river, and an entire run of endangered salmon could be wiped out in another. Heat waves and a drought in the U.S. West are raising water temperatures and imperiling fish from Idaho to California.

Hundreds of thousands of young salmon areas low water levels brought about by drought allow a parasite to thrive, devastating a Native American tribe whose diet and traditions are tied to the fish. And wildlife officials said the Sacramento River is facing a “near-complete loss” of young Chinook salmon due to abnormally warm water.

Winter-run Chinook salmon are born in the Sacramento River, traverse hundreds of miles to the Pacific, where they normally spend three years before returning to their birthplace to mate and lay their eggs between April and August. Unlike the fall-run Chinook that survives almost entirely due to hatchery breeding programs, the winter run is still largely reared in the wild.

The warm water is starting to affect older fish, too. Scientists have seen some adult fish dying before they can lay their eggs. As a result, the state has been trucking millions of salmons raised at hatcheries to the ocean each year, bypassing the perilous downstream journey. State and federal hatcheries take other extraordinary measures to preserve the decimated salmon stocks, such as maintaining a genetic bank to prevent inbreeding at hatcheries and releasing them at critical life stages, when they can recognize and return to the water where they were born.

Much is riding on this class of salmon because it could be the first to return to the river if plans to remove four of six dams on the Klamath and restore fish access to the upper river go according to plan.In Idaho, officials recognized that endangered sockeye salmon wouldn’t make their upstream migration through hundreds of miles of warm water to their spawning habitat, so they flooded the Snake River with cool water, then trapped and trucked the fish to hatcheries.

 

ขอบคุณสำหรับความคิดเห็นของคุณ ความคิดเห็นของคุณจะถูกเผยแพร่หลังจากได้รับการตรวจสอบแล้ว

💔💔💔💔💔

God sent a plague of dead fish and Noah and the evangelicals still won’t see it.

Don’t forget population boom. It’s people and uncontrolled growth that pose the biggest danger. Water levels would not be so low because it would not be diverted for lawns, restaurants, houses, agriculture, etc, etc

Doesn’t help that markrazzy kayak season has begun

They are dying because the corps of engineers kept the rivers roaring all fall and winter rather than holding it in the reservoirs for summer when these fish need it. Our resources are controlled by idiots trying to create man made disasters

Too many people and not enough reservoirs. RecallNewsom

Fusion energy is the only solution.

Fuck 'imperiling the industry'. Where is our compassion for the suffering of sentient beings?

will somebody please think about the industries

That's nature for you. Natural and normal.

They are dying because of FARM chemicals, salmon/steelhead will not enter the river untill the water temp is low. They are a cold water fish

Too bad the fossil fuel industry is paying the house and senate to actively ignore climate change. Our elected leaders allowed this to happen.

California with all of those supposed techie brains can't figure out 'cloud seeding' or mounting massive copper lightning rods to high spots to generate rain? Too bad? All of those high California taxes and rents driving people to homelessness in CA isn't helping? Silicon Valley?

GretaThunberg

That headline needs work. I care about the decimation of yet another species, leading us towards collapse of yet another ecosystem. I don't give a damn about 'the industry's.

Save the fucking world

So why don't they do what Saudi Arabia did and make it rain? Where is the infrastructure for a state that boasts 'largest economy' ...? It has been ran like a ghetto. Slumlords. That is why nothing has been done. The rich are slumlords. The live in literal human sh*t.

Industry? What about the ENVIRONMENT?! What about the animals who will DIE because they eat salmon? Like bears?! FFS. Can we still afford to be this myopic & self-centered?

But climate change is a hoax

Climate change now🛑

Climate change is really doing a number this year. Too bad nobody is going to care until it’s too late.

😂😂😂😂

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