How Equipment Recording Plankton Identified Decades of Plastic Pollution

Fishing nets, fishing lines, and plastic bags, all the things you shouldn’t find in a piece of equipment that was developed to record plankton. Since 1957, the Continuous Plankton Recorder (CPR) has been roaming the open Atlantic with a single goal in mind: sampling and analyzing plankton. The sampling method of the CPR has remained the same since it was first launched. It hangs off the back of container ships and other volunteer barges, and filters water through a roll of silk found on the inside. Once the CPR is hauled back to shore for analysis, researchers unwind the silk and record everything that was caught in the netting, including plastic…. Read more at Ricochet Science