Classification
LWO - Agricultural ecology, sustainable agriculture
31
LWE - Agriculture - general aspects
4
LCL - Biotopes, ecosystems
2
LER - Plant physiology - ecological aspects
2
LHL - Microbiology - general aspects
2
UED - Environmental policy
2
UHN - Landscape ecology
2
UKE - Environment and energy resources
2
UMV - Climatic change
2
EHA - Renewable energy sources
1
EIK - Solar energy application
1
GRB - Climatology
1
LCK - Ecology - general aspects
1
LCM - Terrestrial ecology
1
LCN - Ecology - soil sciences
1
LHW - Bacteria - general aspects
1
LWF - Agriculture - methods
1
LWH - Agriculture - soil sciences
1
LWP - Agriculture - animal husbandry
1
LWV - Agriculture - plant protection
1
UCA - Environmental problems, man and environment - general aspects
1
UCE - Environmental impact, environmental pollution
1
UCJ - Environmental protection - general aspects
1
UEF - Sustainability
1
UEN - Environmental economy
1
UHP - Protection of nature and landscape
1
UMA - Atmospheric sciences
1