Ultimately, it could disrupt the entire marine food chain. (livescience.com)
«Although tiny, these organisms are a vital part of the Earth's life support system, providing half of the oxygen generated each year on Earth by photosynthesis and lying at the base of marine food chains on which all other life in the ocean depends.» (aaas.org)
The krill, for instance, a very important link in marine food chain, feed on phytoplankton and in turn gets eaten by other organisms in the sea such as fish. (techtimes.com)