Subject
Physical geography
Geography
7
Geology
5
Ecology
3
Environmental sciences
3
Aquatic biology
2
Climatic changes
2
Environmental toxicology
2
Hydraulic engineering
2
Meteorology
2
Oceanography
2
Regional planning
2
Agriculture
1
Engineering geology
1
Environmental management
1
Forests and forestry
1
Landscape ecology
1
Life sciences
1
Mathematical geography
1
Mineralogy
1
Remote sensing
1
Soil conservation
1
Statistics
1
aquatic ecosystem
1
aquatic microbiology
1
aquatic microorganism
1
biological oceanography
1
coastal region
1
cryosphere
1
geomagnetism
1
geophysics
1
glacier
1
landscape
1
marine biology
1
paleomagnetism
1
physical geography
1
snow
1
soil science
1