- Microbiology 31
- Ecology 22
- Plant Sciences 19
- Microbial Ecology 13
- Mycology 12
- Plant Physiology 12
- Biodiversity 11
- Medical Microbiology 10
- Geoecology/Natural Processes 3
- Agriculture 2
- Life Sciences, general 2
- Nature Conservation 2
- Soil Science & Conservation 2
- Water Quality/Water Pollution 2
- Applied Microbiology 1
- Biochemistry, general 1
- Biotechnology 1
- Climate Change/Climate Change Impacts 1
- Conservation Biology/Ecology 1
- Environmental Engineering/Biotechnology 1