The addition of heavy metals into the water system could impact the food chain. Melting permafrost in the Arctic is releasing toxic mercury into the water system, potentially impacting the food ...

The Arctic is changing – and not just in the ... which scientists say could harm tiny sea creatures that are key to the food chain. In a recent study published in Nature Communications ...

To examine the cycling of Hg in the Arctic, a team of researchers ... DMHg doesn't accumulate to the same degree as MMHg in the food chain as it's a dissolved gas in water. Another focus was ...

GalleryIn her project 'Under the Ice of the Arctic, Mercury,' French photographer ... creating a bioaccumulation effect along the food chain. The consequences for humans can be severe.

But the shift in the Arctic food chain means that the big numbers of gray whales seen since they recovered from whaling — a population some 27,000 strong — probably will not be seen again.