Plankton samples
Our zooplankton samples from a day of monitoring
Blue
Crater Lake blue
Codend
Hillary detaches the codend from the plankton net
Messenger
Hillary deploys a messenger (metal weight) to snap shut the mouth of the plankton net, to obtain a sample from a specific depth in the water column.
Checking Niskin bottles
Bob Hoffman, USGS, and his wife Susan, check the new Niskin bottles before they are deployed.
