Levels of lead and other heavy metals spiked in L.A.’s coastal waters after the January fires, raising serious concerns for ...

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 ...

Contaminants that end up in coastal waters may accumulate in marine organisms through the food chain, degrading an ecosystem’s resilience and threatening human health through the consumption of ...

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 ...

A study shows how the loss of Great white sharks from False Bay is disrupting the marine food web and threatening ocean health.

Still, a long-term concern is the heavy metals from debris, which could enter the food chain and pose health risks to marine life and humans over time.

"Species at each level of the food chain, from invertebrates to fish, birds, marine mammals and humans, can be affected differently based on their physiology and feeding strategies," she said.

marine mammals and the marine food chain, according to test results released Thursday by the nonprofit environmental group Heal the Bay. For human surfers and swimmers, the results were somewhat ...