“In this photograph, I’m installing a chlorophyll fluorometer into a Scots pine tree (Pinus sylvestris) at a forest station in Hyytiälä, Finland, which is 200 kilometres north of the main ...

The sensors also often contain chlorophyll fluorometers, which can provide data about the water's phytoplankton concentration. Phytoplankton are tiny organisms that form the base of the oceanic ...