Classification
LCM - Terrestrial ecology
LCL - Biotopes, ecosystems
21
LWE - Agriculture - general aspects
17
LWV - Agriculture - plant protection
16
UHP - Protection of nature and landscape
16
UHN - Landscape ecology
11
GPA - Geobiology - general
10
LER - Plant physiology - ecological aspects
8
LWH - Agriculture - soil sciences
7
LCV - Ecology - models
6
UMRC - Effects of air pollution on plants and animals
6
GRB - Climatology
5
LCN - Ecology - soil sciences
5
UCA - Environmental problems, man and environment - general aspects
5
UMR - Effects of air pollution
5
UVF - Environmental aspects of heavy metals and their compounds
5
GPAB - Flora, vegetation - geographical aspects
4
LCK - Ecology - general aspects
4
LEE - Botany - general aspects
4
GNA - Geology - soil sciences
3
LCMC - Plants - ecology
3
LCNA - Soil microbiology
3
LCO - Hydrobiology
3
UMV - Climatic change
3
URA - Soil chemistry
3
UUD - Ecotoxicology
3
GTA - Hydrology - general
2
LCMG - Animals - ecology
2
LEK - Botany - systematics, taxonomy
2
LGL - Zoology - general aspects
2
LWF - Agriculture - methods
2
UMGE - Carbon capture and storage (CCS)
2
UMT - Acid rain and atmospheric deposition
2
AHH - Universities - research
1
GAN - Geosciences - mathematical methods, computer applications
1
GMAD - Organic geochemistry
1
GRA - Meteorology
1
GUAB - Geography - anthropological
1
HAE - Popular medicine
1
HYE - Environmental health
1
LBL - Evolution - general
1
LBLE - Natural selection, mutation
1
LCD - Ecology - comprensive works
1
LCH - Ecology - methods
1
LCP - Limnology
1
LCR - Ecology of microorganisms - land and water
1
LEM - Botany - anatomy, morphology
1
LEN - Plant physiology
1
LENS - Plant physiology - stress factors
1
LGR - Animal physiology
1
more ...