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 ...

But a warming world is throwing plankton into disarray and threatening the entire marine food chain that is built on them. A ...

is one of the most important marine ecosystems on Earth. The colder waters nurture massive blooms of phytoplankton, microscopic photosynthetic organisms that form the starting point of the food ...

In Vietnam, it is served as food after being steamed, grilled, stir-fried or cooked with fried rice. Read more at ...

Where plankton suffers, so does the entire ocean food chain. When environmenmental conditions change, often triggered by too much of a nutrient—such as nitrogen or phosphorus from fertilizer ...

Zooplankton are one of the most diverse and abundant groups of organisms on Earth and they play an essential role in the marine food chain. Unable to photosynthesise, as phytoplankton do ...

which can enter the marine food chain and become incredibly damaging to sea life. The main source of ocean plastic pollution is land-based—80% of plastic in the ocean originates on land. But what does ...

Sea Otters: Effects of ocean acidification will be felt up the food chain. Marine mammals like sea otters that rely on shellfish may be in trouble. Studies show that, if left unchecked, within our ...