Articles on Ecosystem

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To understand the effects of a big die-off, researchers set up experiments with wild boar carcasses. Brandon Barton, Mississippi State University

Rotting feral pig carcasses teach scientists what happens when tons of animals die all at once, as in Australia’s bushfires

Death is a natural part of ecosystems. But it's unusual for a large number of animals to all die at once. Researchers are investigating how a mass mortality event affects what's left afterwards.
2016’s warm winter meant not enough snow for the start of the Iditarod sled dog race in Anchorage, so it was brought by train from 360 miles north. AP/Rachel D'Oro

In Alaska, everyone’s grappling with climate change

For everyone from traditional hunters to the military, the National Park Service to the oil industry, climate change is the new reality in Alaska. Government, residents and businesses are all trying to adapt.
Pacific seabirds, such as this Great Blue Heron, can accumulate mercury in their bodies from the fish they eat. (Flickr)

Mercury decline in seabirds due to diet, not emissions controls

Mercury levels in seabirds living off the coast of British Columbia have been stable in recent years. New research suggests that this may be due to changes in their diet, not pollution control.
Fragments of woodland surrounded by cleared land in south west Australia. Google Earth

Unique Australian wildlife risks vanishing as ecosystems suffer death by a thousand cuts

Australia may have reputation for vast areas of wilderness, but in reality the continent's ecosystems have been chopped and diced. Now we need to protect what's left.

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