Cutting the food chain? The controversial plan to turn zooplankton into fish oil
A few times a day, off the Faroe Islands’ coast, the crew of the Jakup Sverri marine survey ship test the water, measuring its salinity, temperature and oxygen at different sea depths, but they also look for something else. Durita Sorensen, a laboratory technician, holds up the contents of a special net to demonstrate. If the water is greenish, it contains a lot of phytoplankton, the plants at the base of the oceanic food chain, but if it is red or brown, as in Sorensen’s net, the haul is one rung higher up the ladder: zooplankton. “This is calanus, or Calanus
Source: taipeitimes.com
