Search results for cod stock

Earth Sciences Apr 30, 2024

Atmospheric 'teleconnections' sustain warm blobs in the northeast Pacific Ocean

The past 10 years have seen a series of "warm blobs" in the northeast Pacific Ocean. These marine heat waves do widespread damage to ecosystems and marine life in the area, but the mechanisms by which they develop and are ...

Plants & Animals Apr 2, 2024

AI makes smarter use of seaweed and kelp

Seaweed and kelp are eaten by both humans and domestic animals all over the world. Several species are used in everything from cosmetics and food additives to fertilizers and medicines.

Ecology Mar 27, 2024

How eutrophication and climate change alter food webs in the Baltic Sea

Phytoplankton is the primary energy source for all marine ecosystems: These tiny plants floating in the seawater use photosynthesis to bind energy in the form of biomass, which is then passed on step by step in the marine ...

Plants & Animals Feb 27, 2024

Extinctions could result as fish change foraging behavior in response to rising temperatures

Fish are changing how they search for and consume prey in warmer waters, with models suggesting that extinctions will become more likely due to this behavior change, according to a new study published in Nature Climate Change.

Ecology Feb 13, 2024

Struggling seabirds thrown a lifeline by new commercial fishing ban in the North Sea—but it may not be enough

With their bright, orange feet and colorful beaks full of glistening fish, puffins are really charismatic seabirds. But puffin populations are in decline, largely due to their struggle to catch enough of these shiny fish: ...

Plants & Animals Jan 23, 2024

Marine heat waves found to trigger shift in hatch dates and early growth of Pacific cod

Marine heat waves appear to trigger earlier reproduction, high mortality in early life stages and fewer surviving juvenile Pacific cod in the Gulf of Alaska, a new study from Oregon State University shows.

Ecology Nov 14, 2023

Analyzing the blood of fish can show us how healthy they are

The Gulf of St. Lawrence is an invaluable resource for Canada. Fish and shellfish fisheries that date to the 16th century have remained an essential source of income for many communities, including those on the North Shore ...

Environment Nov 10, 2023

In a pickle: Baltic herring threatened by warming sea

Even aged 84, Holger Sjogren nimbly untangles the knots in his herring net as it was lowered into the murky depths of the Baltic Sea.

Plants & Animals Oct 12, 2023

Salmon that eat salmon are more environmentally friendly, researchers say

Using a larger proportion of each individual salmon here in Norway will make the aquaculture industry less dependent on importing ingredients for salmon feed. Using locally produced raw materials is also good for the environment.

Ecology Sep 6, 2023

Alaska fishers fear another bleak season as crab populations dwindle in warming waters

Gabriel Prout worked four seasons on his father's crab boat, the Silver Spray, before joining his two brothers in 2020 to buy a half-interest plus access rights for a snow crab fishery that's typically the largest and richest ...

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