Smoke and ash could poison plankton and other organisms that form the foundation of the marine food chain, biologists say.

Mercury is present in seawater in small quantities. It gets into the marine food chain starting at the very bottom, absorbed by microscopic algae. Larger, carnivorous species like sharks and ...

Once the plastic is in the ocean, it decomposes very slowly, breaking into tiny pieces known as microplastics, which can enter the marine food chain and become incredibly damaging to sea life. The ...

The gliders from the Basque technology center AZTI provide data that helps understand the effects of climate change on marine ...

If they die, there’ll be fewer big fish—and that could rattle the food chain. marine-plastic-ocean-fish-microplasticThe naturally oily surface slicks in which many ocean fish come of age are ...

Ocean acidification can negatively affect marine life, causing organisms' shells and skeletons made from calcium ... This can have knock-on effects in the food chain, potentially impacting the other ...

Scientists discovered ancient marine reptiles that reached unprecedented trophic levels. These creatures exceeded today’s top predators.

But how has fishing changed and does this affect the food chain? The decrease of ocean life is being caused by overfishing. This means that we are taking too many fish, lobsters and other marine ...

Rapid sea ice loss and ocean acidification from climate ... accumulating essential fats and proteins, altering food quality for the marine animals. "The krill and other zooplankton depend on ...

Even a 10 percent decrease in the population of pteropods could mean a 20 percent drop in an adult salmon’s body weight. Sea Otters: Effects of ocean acidification will be felt up the food chain.