Classification
UHN - Landscape ecology
112
UHP - Protection of nature and landscape
32
GPA - Geobiology - general
12
LCK - Ecology - general aspects
12
LCM - Terrestrial ecology
11
UHC - Area planning and environment
10
UPVF - Surface waters - streams, rivers, lakes
10
LWE - Agriculture - general aspects
6
GSC - Remote sensing
5
LCMC - Plants - ecology
5
GPAB - Flora, vegetation - geographical aspects
4
LCL - Biotopes, ecosystems
4
UPK - Water resources, water supply
4
URA - Soil chemistry
4
GTAK - Hydrogeology
3
LCP - Limnology
3
LCV - Ecology - models
3
LWH - Agriculture - soil sciences
3
LWO - Agricultural ecology, sustainable agriculture
3
UCA - Environmental problems, man and environment - general aspects
3
GBA - General geology, historical geology
2
GMAD - Organic geochemistry
2
GTA - Hydrology - general
2
LCH - Ecology - methods
2
UCS - Environmental chemistry
2
UEG - Environmental programs and expertises
2
UMGE - Carbon capture and storage (CCS)
2
UPN - Water protection, water quality, clean water
2
GBE - Geology - endogene processes, exogene processes
1
GBH - Marine geology
1
GBHA - Geology of coasts, geology of estuaries
1
GBHC - Ocean floor - sediments, morphology
1
GCAA - Regional geology - Germany
1
GCAB - Regional geology - european countries
1
GDAB - Rock mechanics, soil mechanics
1
GNA - Geology - soil sciences
1
GRAH - Cloud physics
1
GRAK - Atmospheric precipitations
1
GUA - Geography - general
1
GUAB - Geography - anthropological
1
HAE - Popular medicine
1
LCD - Ecology - comprensive works
1
LCN - Ecology - soil sciences
1
LCO - Hydrobiology
1
LOD - Genetics - comprehensive works
1
TKA - Civil engineering - general
1
UAM - Environmental models
1
UAN - Environment - mathematical methods, computer applications
1
UCGE - Control of environmental pollution - analytical methods
1
UCQ - Environmental technology
1
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