The Arctic is undergoing a significant transformation as a result of climate change. A new NASA-led study has revealed that the ice melt is flooding one of the region’s significant ocean currents with fresh water.
While climate records are being routinely broken, the cumulative impact of these changes could also cause fundamental parts of the Earth system to change dramatically and irreversibly.
Capelin are described a “lynchpin” species because a healthy population helps other types of fish. Cod and turbot eat them directly, and without lots of capelin those fish will eat commercially valuable crab and shrimp instead. Scientists blame late spawning for the population drop.