Fish In The Northern Baltic Sea Have Seen Their Food Sources Greatly Diminish Over The Past 30 Years, Research Finds
Over the past 30 years, the food sources that most fish species in the northern Baltic Sea rely on β phytoplankton and zooplankton β have diminished greatly, according to new research from the Finnish Environment Institute. Overall, the nutrition available to the ecosystem as a whole has greatly lessened. βThe amount of energy available for