climate

Unlocking the secrets of killer whale diets and their role in climate change

Killer whale populations are invading the Arctic, causing significant disruptions to an ecosystem already deeply affected by climate change. A team of McGill researchers has …

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California

To save California’s whales, put overlooked threats into policy

Whales are threatened by a variety of human activities off the West Coast of the United States, including fishing, ship traffic, and pollution. Overlap between …

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ecosystem

Voles cut grass to watch flying predators

A tiny rodent trims tall grasses so it can watch the skies for flying predators, new research shows. Brandt’s voles live in grassland in Inner …

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Cameras

Cameras reveal snowshoe hare density

The number of hares in a forest is a good indicator of how healthy that ecosystem is — and now there’s a better way to …

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Arctic

Unexpected fish and squid found in the Central Arctic Ocean

Single individuals of Atlantic cod and squid occur much further north than previously expected. Scientists participating in the international MOSAiC expedition with research icebreaker Polarstern …

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Ecologists

Climate-only models likely underestimate species extinction

Ecologists estimate that 15 to 37% of plant and animal species will go extinct as a direct result of the rapidly changing climate. But new …

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bird

Introduced birds are not replacing roles of human-caused extinct species

Human-caused bird extinctions are driving losses of functional diversity on islands worldwide, and the gaps they leave behind are not being filled by introduced (alien) …

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Amphibians

Pakistan’s amphibians need more research efforts and better protection

Amphibians are bioindicators of an ecosystem’s health and may also serve as biological control of crop and forest pests. The First Herpetological Congress, organized in …

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aquaculture

Crayfish and carp among the invasive species pushing lakes towards ecosystem collapse

Certain invasive, non-native species can disrupt lakes to the point of rapid ecosystem collapse, contaminating water for drinking, aquaculture and recreation, a new study has …

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Biodiversity

Transforming marine biodiversity discovery and monitoring

A new system for sampling fragments of DNA from marine organisms drifting in the ocean is set to create new opportunities for research on biodiversity …

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