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We know that rising ocean temperatures are causing fish stocks to migrate to cooler waters, and now we have new evidence as to why. A study by German scientists found that juvenile fish and fish that are ready to mate are especially sensitive to changes in water temperature, and as a result, up to 60 percent of all species may be forced to leave their traditional spawning areas as waters warm.
Why This Matters: Fish populations need functional habitat to survive and procreate.
Meanwhile, a blob of another variety went on display over the weekend at the Paris Zoo — and according to Popular Mechanics, it isn’t an animal, plant, or fungus, it has 720 sexes but no brain, loves oatmeal and is a billion years old.
Warming ocean temperatures are causing fish populations to migrate north, complicating fisheries management and fishing businesses that are not able to keep up because the fishery-specific regulations and catch quotas are regional and they no longer align with where the fish are being found.
The Pacific Coast of Northern California is finding a new sort of climate refugee washing up on its shores and inhabiting its bays and coastal waters — species that have shifted their migratory patterns and habitat due to warming ocean waters throughout the Pacific.
Warming ocean temperatures are causing massive changes for fishermen, some of which may force them out of business, according to several recent stories examining the impacts of climate change on the fishing industry.
Why This Matters: Warming waters that shift fish populations make a barely viable business downright impossible for many small and medium-sized fishing operations. Not to mention the additional fuel and time it takes to chase fewer fish, that are now found farther from ports. Watching this play out is painful in U.S. fishing communities, but for many parts of the world, it could become a real food security crisis. The U.S. government currently is very lethargic in changing its fisheries management schemes even as the evidence of shifting fish populations grows. Given the challenges of climate change, a more engaged approach to fisheries management that takes climate change into account is needed. It will benefit the fishermen and the fish populations as well.
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