"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.

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 ...

from the bay on South Africa’s southwestern Atlantic tip triggered a trophic cascade in the local marine ecosystem — a domino effect that rippled down the food chain. Scientists speak of the ...

“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 ...