Millions of turtles believed to have died as fishing bycatch in last 20 years . New research looks at effects of longlines , gillnets and nets on turtles . The first ever global survey of sea turtle bycatch conducted by Conservation International and Duke University in the United States suggests that the Mediterranean and the Eastern Pacific are locations where the marine turtle populations are in danger of collapse . Central and eastern Atlantic are areas with most threatened turtle populations .
Millions of turtles believed to have died as fishing bycatch in last 20 years . New research looks at effects of longlines , gillnets and nets on turtles . Central and eastern Atlantic are areas with most threatened turtle populations .