PATRICK LANDMANN / SCIENCE PHOTO LIBRARY PATRICK LANDMANN / SCIENCE PHOTO LIBRARY
Hydrobiology research. Scientist in a boat monitoring a water reservoir as part of his hydrobiology research. Hydrobiology is the study of life in water. It is a sub-discipline of ecology restricted to aquatic environments and their inhabitants. Here, the researcher is taking water samples at different depths of the reservoir. Looking at the number of zooplankton and phytoplankton (small aquatic organisms) in these samples will indicate the quality of the water. Photographed in Petit-Saut, French Guiana.
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