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Humans are making it tough for seabirds to breed

These are the conclusions of a study in
Science analyzing more than 50 years of breeding records for 67 seabird species worldwide.
The researchers discovered that reproductive success decreased in the past half century for fish-eating seabirds north of the equator. The Northern Hemisphere has suffered greater effects from human-caused climate change and other human activities, like overfishing.
Seabirds include albatrosses, puffins, murres, penguins, and other birds. Whether they soar or swim, all seabirds are adapted to feed in and live near ocean waters. Many scientists view seabirds as sentinels of habitat health because their lives and well-being depend on sound conditions both on land and at sea, says coauthor P. Dee Boersma, a professor of biology at the University of Washington and director of the Center for Ecosystem Sentinels. ....

United States , P Dee Boersma , William Sydeman , Ron Levalley , University Of Washington , Farallon Institute , Northern Hemisphere , Southern Hemisphere , Southeast Farallon Island , South American , Punta Tombo , ஒன்றுபட்டது மாநிலங்களில் , ப் டீ போர்ஸ்மா , பல்கலைக்கழகம் ஆஃப் வாஷிங்டன் , ஃபாரல்லன் நிறுவனம் , வடக்கு அரைக்கோளம் , தெற்கு அரைக்கோளம் , தென்கிழக்கு ஃபாரல்லன் தீவு , தெற்கு அமெரிக்கன் , பூண்ட டோம்போ ,

Struggling Seabirds Are Red Flag for Ocean Health

Scientific American
Struggling Seabirds Are Red Flag for Ocean Health
These sentinels of marine ecosystems point to the damage climate change, overfishing and other human pressures are causing
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Seabirds are “sentinels” of ocean health. If marine ecosystems are suffering, the birds will be among the first to show it.
Now a major study finds that seabirds in the Northern Hemisphere are already struggling. And without extra precautions, those in the Southern Hemisphere might be next.
The findings point to broader patterns of environmental change across the world’s oceans. Climate change, combined with pollution, overfishing and other human activities, is steadily altering marine food webs. Food sources are shifting. Some fish populations are dwindling or migrating to new areas. ....

United States , P Dee Boersma , William Sydeman , University Of Washington , Farallon Institute , Northern Hemisphere , Southern Hemisphere , ஒன்றுபட்டது மாநிலங்களில் , ப் டீ போர்ஸ்மா , பல்கலைக்கழகம் ஆஃப் வாஷிங்டன் , ஃபாரல்லன் நிறுவனம் , வடக்கு அரைக்கோளம் , தெற்கு அரைக்கோளம் ,

Seabirds sound alarm: Breeding success corresponds to hemispheric rates of ocean warming

Some seabirds are struggling to raise young where the globe is most rapidly warming - in the northern hemisphere, according to a study published in the journal Science. The research was undertaken by an international team of 40 scientists led by Farallon Institute in California. ....

United States , Chapman University , Brian Hoover , William Sydeman , Marisol Garc , Farallon Institute , North Pacific , Northeast Pacific , Marine Protected Areas , Ecology Environment , Marine Freshwater Biology , Earth Science , Climate Change , ஒன்றுபட்டது மாநிலங்களில் , சாப்மேன் பல்கலைக்கழகம் , பிரையன் ஹூவர் , மரிசோல் கர்க் , ஃபாரல்லன் நிறுவனம் , வடக்கு பெஸிஃபிக் , வடகிழக்கு பெஸிஃபிக் , கடல் ப்ரொடெக்டெட் பகுதிகள் ,

Seabirds face dire threats from climate change, human activity — especially in Northern Hemisphere

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IMAGE: A common murre delivering an anchovy to its chick on Southeast Farallon Island, California.
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Credit: Ron LeValley
Many seabirds in the Northern Hemisphere are struggling to breed and in the Southern Hemisphere, they may not be far behind. These are the conclusions of a study, published May 28 in
Science, analyzing more than 50 years of breeding records for 67 seabird species worldwide.
The international team of scientists led by William Sydeman at the Farallon Institute in California discovered that reproductive success decreased in the past half century for fish-eating seabirds north of the equator. The Northern Hemisphere has suffered greater impacts from human-caused climate change and other human activities, like overfishing. ....

United States , P Dee Boersma , William Sydeman , University Of Washington , Farallon Institute , Farallon Institute Eurekalert , Uk Centre For Ecology Hydrology , Northern Hemisphere , Southern Hemisphere , South American , Punta Tombo , Developmental Reproductive Biology , Ecology Environment , Marine Freshwater Biology , Zoology Veterinary Science , Climate Change , ஒன்றுபட்டது மாநிலங்களில் , ப் டீ போர்ஸ்மா , பல்கலைக்கழகம் ஆஃப் வாஷிங்டன் , ஃபாரல்லன் நிறுவனம் , இங்கிலாந்து மையம் க்கு சூழலியல் ஹைட்ராலஜி , வடக்கு அரைக்கோளம் , தெற்கு அரைக்கோளம் , தெற்கு அமெரிக்கன் , பூண்ட டோம்போ ,

How we can help coral and seabirds survive a warming world

How we can help coral and seabirds survive a warming world
Reducing CO2 emissions is crucial, but there are hands-on ways to protect animals from inevitable warming.
ByTim Vernimmen
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Global warming is not just increasing average temperatures on land, it’s heating up the oceans as well. As marine heat waves become more common, they are disrupting longstanding relationships between species that have come to depend on each other.
Corals may lose the algae living inside of them, causing them to bleach, or even die, often after being hit by more than one heat wave. Large schools of fish move to more comfortable climes, forcing the seabirds that need them to feed their young to fly much longer distances from the shores where their kind has been nesting for ages. ....

United States , North Sea , Oceans General , Mary Donovan , William Sydeman , Nancy Knowlton , National Museum Of Natural History , Farallon Institute , Arizona State University , Reef Check , Kahekili Herbivore Fisheries Management Area , National Museum , Natural History , Northern Hemisphere , Southern Hemisphere , ஒன்றுபட்டது மாநிலங்களில் , வடக்கு கடல் , பெருங்கடல்கள் ஜநரல் , மேரி டொநொவந் , நான்சி நோல்டன் , தேசிய அருங்காட்சியகம் ஆஃப் இயற்கை வரலாறு , ஃபாரல்லன் நிறுவனம் , அரிசோனா நிலை பல்கலைக்கழகம் , ரீஃப் காசோலை , தேசிய அருங்காட்சியகம் , இயற்கை வரலாறு ,