Are Jellyfish Increasing in the World’s Oceans? A UCSB Study

Blooms, or proliferation, of jellyfish have shown a substantial, visible impact on coastal populations, clogged nets for fishermen, stinging waters for tourists, even choked intake lines for power plants, and recent media reports have created a perception that the world’s oceans are experiencing increases in jellyfish due to human activities such as global warming and overharvesting of fish.