Phytoplankton, the foundation of the ocean food chain. (NOAA photo)

Phytoplankton, the foundation of the ocean food chain. (NOAA photo)

Esther Kennedy is an Environmental Specialist with STA’s Environmental Research Lab (STAERL). Just back from a phytoplankton class in Maine, she discusses the July/August massive plankton bloom in Sitka Sound — both the harmless and the toxic.

Downloadable audio.