West Coast Salmon Vulnerable to Climate Change, but Some Show Resilience to Shifting Environment

[agentaqua]

Yukon River, beset by salmon woes and mercury threats, signals broader Arctic climate change - ArcticToday

Flowing from the foot of mountain glaciers in northern British Columbia nearly 2,000 miles to the Bering Sea, the Yukon River is a bellwether of Arctic conditions. And this year along the Yukon, alarms are sounding. Salmon returns on which Indigenous Alaskans and Canadians depend for their...

www.arctictoday.com

 

[agentaqua]

Summer Drought Update 2023 - And What this Means for Fishing - Freshwater Fisheries Society of BC

When temperatures are elevated and oxygen is less available, fish become stressed. Anglers can reduce the stress on fish in several ways.

www.gofishbc.com

 

[agentaqua]

The Ocean Is Losing Oxygen. This Scientist Says More "Dead Zones" Will Soon Follow.

Vast swathes of ocean with dangerously low oxygen levels are popping up like clockwork, and the problem will probably get worse.

futurism.com

 

[wildmanyeah]

‘Sticky questions’ raised by study on coral reefs - UBC News

A new UBC study on the impact of climate change on coral reefs is raising sticky questions about conservation. It found coral in more polluted and high traffic water handled extreme heat events better than a more remote, untouched reef.

news.ubc.ca

 

[agentaqua]

Why is Bristol Bay's sockeye run breaking records while other areas struggle?

In the past decade, Bristol Bay has seen consistently large salmon runs and continues to break records. But some other Alaska fisheries are experiencing historically low runs, a trend that worries scientists, fishery managers and communities. What keeps Bristol Bay booming as other areas struggle?

www.alaskapublic.org

 

[agentaqua]

Looks like the East Coast is in the midst of adapting to global warming and those effects on their fisheries including species range shifts and developing Warm Water Protocols (which we should also):

ASF Rivernotes 20 Aug 2021

Warm water requires conservation measures for Atlantic salmon.

www.asf.ca

Fishers Struggle as Fish Head for the Poles | Hakai Magazine

In the northeastern United States, fishing regulations are not keeping up with species on the move.

www.hakaimagazine.com

 

[agentaqua]

Taking the temperature of salmon | Encyclopedia of Puget Sound

Warming waters threaten the recovery of salmon in Puget Sound. New findings about stream temperature could help salmon survive the threats of climate change.

www.eopugetsound.org

 

[agentaqua]

‘It’s pretty dire’: Vancouver Island salmon under threat from climate change-induced droughts | The Narwhal

As the island enters the most severe level of drought in the province, experts warn B.C. has much work to do to manage for watershed health in the midst of prolonged dry spells

thenarwhal.ca

 

[agentaqua]

Low water levels, high temps deadly combination for salmon in the Tsolum

Various factors have led to more than 1,000 pink salmon dying

www.comoxvalleyrecord.com

 

[agentaqua]

Ocean hypoxia off Pacific Northwest coast more troubling than ever, experts say

CORVALLIS, Ore. – Rather than ocean oxygen levels improving as they usually do this time of year, hypoxia off the Pacific Northwest coast is as bad as it’s been at any point in 2021, according to collaborative research by Oregon State University, the Oregon Department of Fish & Wildlife and...

today.oregonstate.edu

 

[OldBlackDog]

Oceans Were More ‘Acidic’ In The 1730s…Today’s CO2 Levels Are Geologically Trifling

notrickszone.com

 

[agentaqua]

Low oxygen levels along Pacific Northwest coast a ‘silent’ climate change crisis

Climate change is playing a role in worsening oxygen levels in Pacific Northwest shores. Conditions are causing the deaths of marine creatures, startling scientist and coastal communities whose livelihoods rely on the ocean.

www.seattletimes.com

 

[agentaqua]

Marine heatwaves could wipe out an extra six per cent of a country’s fish catches, costing millions their jobs - UBC News

Extremely hot years will wipe out hundreds of thousands of tonnes of fish available for catch in a country’s waters in this century, on top of projected decreases to fish stocks from long-term climate change, a new UBC study predicts.

news.ubc.ca

 

[agentaqua]

Ocean heat waves decrease salmon catch 26%: study

UBC finds marine heat waves could take big toll on commercial fish catches

biv.com

 

[OldBlackDog]

Have Scientists Ignored 11.7 TRILLION Tons Of Sequestered Carbon? (45 Times Man’s Addition)

notrickszone.com

 

[GLG]

Have Scientists Ignored 11.7 TRILLION Tons Of Sequestered Carbon? (45 Times Man’s Addition)

notrickszone.com

a parental not.

 

[agentaqua]

Understanding how a crab's complex life cycle will respond to climate change

For many marine animals, like the Dungeness crab, seasonality and timing are components of complex life cycles, where disruptions can have serious implications for the population. Understanding how climate change will impact each life stage is no small undertaking when considering all variables...

phys.org

Seasonality and Life History Complexity Determine Vulnerability of Dungeness Crab to Multiple Climate Stressors

Dungeness crab vulnerability to future hypoxia is most severe overall due to increased exposure of the critical adult stage during upwelling The severity of vulnerability depends on the underlyin...

agupubs.onlinelibrary.wiley.com

Ocean Acidification Puts Northwest Dungeness Crab At Risk, Research Finds

Ocean acidification expected to accompany climate change may slow development and reduce survival of the larval stages of Dungeness crab, a key component of the Northwest marine ecosystem and the largest fishery by revenue on the West Coast, a new study has found.

www.fisheries.noaa.gov

Ocean Acidification Program - vulnerability assessment

Understanding How a Crab’s Complex Life Cycle Will Respond to Climate Change - UConn Today

UConn researchers are tracking the effects of climate change on the complex life cycle of the Dungeness crab.

today.uconn.edu

Alaska snow crab harvest slashed by nearly 90%

Officials have announced a massive reduction in the catch of snow and king crab. Researchers said survival rates appeared to have plummeted during a period of warmer temperatures at the bottom of the Bering Sea.

www.seattletimes.com

 

[GLG]

 

[agentaqua]

As oceans warm, large fish struggle

Warming ocean waters could reduce the ability of fish, especially large ones, to extract the oxygen they need from their environment. Animals require oxygen to generate energy for movement, growth and reproduction. In a recent paper in the Proceedings of the National Academy of Science, an...

phys.org

Warmer waters from climate change will leave fish shrinking, gasping for air

Fish are expected to shrink in size by 20 to 30 per cent if ocean temperatures continue to climb due to climate change.

phys.org

Art and conservation unite to bring message of hope to COP26

ASF’s mission is to conserve and restore wild Atlantic salmon and their ecosystems.

www.asf.ca

 

[agentaqua]

Upper Ocean Temperatures Hit Record High in 2020

www.iapjournals.ac.cn