- Plant Sciences 17
- Biochemistry, general 13
- Plant Physiology 12
- Ecology 11
- Microbiology 10
- Plant Genetics and Genomics 10
- Freshwater & Marine Ecology 5
- Agriculture 4
- Oceanography 4
- Zoology 4
- Cell Biology 3
- Fish & Wildlife Biology & Management 3
- Microbial Ecology 3
- Water Quality/Water Pollution 3
- Applied Microbiology 2
- Biotechnology 2
- Coastal Sciences 2
- Marine & Freshwater Sciences 2
- Science, Humanities and Social Sciences, multidisciplinary 2
- Science, multidisciplinary 2