Related topics: marine ecosystems

Data gaps hinder explanation for Alaska seabird die-off

A preliminary investigation into the massive die-off of common murres, one of the Northern Hemisphere's most abundant seabirds, off Alaska's coast is revealing gaps in basic information on North Pacific waters and the wildlife ...

Starvation suspected in massive die-off of Alaska seabirds

Seabird biologist David Irons drove recently to the Prince William Sound community of Whittier to check on a friend's boat and spotted white blobs along the tide line of the rocky Alaska beach. He thought they were patches ...

Populated Puget Sound sees stark shifts in marine fish species

The most populated areas of Puget Sound have experienced striking shifts in marine species, with declines in herring and smelt that have long provided food for other marine life and big increases in the catch of jellyfish, ...

Fishing amplifies forage fish collapses

A new study shows for the first time that fishing likely worsens population collapses in species of forage fish, including herring, anchovies and sardines. Some of the largest fisheries in the world target these species, ...

To save the birds, look to the fish

Birds that dive for fish while wintering in the Salish Sea, located between British Columbia and Washington, are more likely to be in decline than nondiving birds with less specialized diets, according to a study led by the ...

Dolphin food habits distinguish genetic line

Indo-Pacific bottlenose dolphins that use sponges as hunting tools are eating different foods to those who do not and the unique behaviour could have shaped the genetic makeup of the population, according to two new studies ...

Species matters in a noisy world

Fish exposed to increased noise levels consume less food and show more stress-related behaviour, according to new research from the University of Bristol and the University of Exeter. However, the way fish decreased their ...

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