- Freshwater & Marine Ecology 29
- Zoology 22
- Ecology 21
- Climate Change/Climate Change Impacts 6
- Marine & Freshwater Sciences 4
- Biological Microscopy 3
- Climate Change 3
- Gene Function 3
- Human Genetics 3
- Invertebrates 3
- Life Sciences, general 3
- Monitoring/Environmental Analysis 3
- Parasitology 3
- Public Health 3
- Atmospheric Sciences 2
- Epidemiology 2
- Evolutionary Biology 2
- Health Informatics 2
- Infectious Diseases 2
- Internal Medicine 2