High School students checking nets for aquatic indicators of water quality on a river ecology field trip

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Size: 6480px × 4432px
Location: New Jersey
Photo credit: © MShieldsPhotos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aquatic, biology, boys, collecting, data, ecology, education, environmental, field, girl, high, nets, people, quality, research, river, sampling, school, science, secondary, stream, students, trip, waders, water