The graph points out that current levels of fishing are obviously unsustainable.

These 10 ecosystems were studied for their MMSY, or multi-species maximum sustainable yield. Fishing below MMSY provides ecosystems with a chance to recover.

Explosive fishing – the use of dynamite or other explosives to kill fish. Causes for major destruction of reef. (15) Long-line fishing – long baited hooks used to catch swordfish, tuna, sharks, birds, and turtles. They are estimated to kill 180,000 birds worldwide every year. (11)