Topic
Ecology
39
Forest Science
27
Not in use
27
please see Agris categories
27
Fish and Aquacultural Science
9
Soil Science
8
Hydrology
7
Oceanography
7
Water Resources
7
Food Science
6
Biochemistry and Molecular Biology
5
Fish and Wildlife Management
5
Remote Sensing
5
Zoology
5
Environmental Sciences (social aspects to be 507)
4
Genetics (medical genetics to be 30107 and agricultural genetics to be 40402)
4
AGRICULTURAL SCIENCES and LANDSCAPE PLANNING
3
Analytical Chemistry
3
Animal and Dairy Science
3
Climate Research
3
FORESTRY
3
Geochemistry
3
History
3
Behavioural Sciences Biology
2
Botany
2
Clinical Science
2
Developmental Biology
2
Economics
2
Energy Systems
2
Evolutionary Biology
2
Genetics and Breeding
2
Geosciences
2
Microbiology (Microbiology in the medical area to be 30109)
2
Multidisciplinary
2
Other Biological Topics
2
Other Earth and Related Environmental Sciences
2
Pathobiology
2
Social Sciences Interdisciplinary (Peace and Conflict Research and Studies on Sustainable Society)
2
Terrestrial ecology
2
10106 Probability Theory and Statistics
1
10203 Bioinformatics (Computational Biology) (applications to be 10610)
1
Archaeology
1
Atom and Molecular Physics and Optics
1
Bioinformatics and Systems Biology (methods development to be 10203)
1
Environmental Management
1
Environmental Sciences related to Agriculture and Land-use
1
Ethology and behavioural ecology
1
Forest mensuration
1
Freshwater ecology
1
Geology
1
more ...