USGS Algal Toxin Science
Detailed Description
(A) Landsat image of a harmful algal bloom event in Lake Erie, Janice S Nelson, NASA/USGS, (B) USGS scientist collecting a sample of algae for analysis, Jennifer L. Graham, USGS, (C) USGS scientist preparing to measure cyanotoxins in water samples, Keith A. Loftin, USGS.
Sources/Usage
Public Domain.