Classification
LCK - Ecology - general aspects
264
LCM - Terrestrial ecology
172
UHN - Landscape ecology
122
LCN - Ecology - soil sciences
107
LCR - Ecology of microorganisms - land and water
100
LER - Plant physiology - ecological aspects
95
UHP - Protection of nature and landscape
78
LCV - Ecology - models
76
LCMC - Plants - ecology
74
LCL - Biotopes, ecosystems
73
LWE - Agriculture - general aspects
69
UCA - Environmental problems, man and environment - general aspects
69
LWO - Agricultural ecology, sustainable agriculture
63
URA - Soil chemistry
59
LWH - Agriculture - soil sciences
55
GNA - Geology - soil sciences
54
LCH - Ecology - methods
53
LCO - Hydrobiology
43
GPA - Geobiology - general
40
LWV - Agriculture - plant protection
39
LEN - Plant physiology
36
LHL - Microbiology - general aspects
32
GPAB - Flora, vegetation - geographical aspects
31
LAN - Biology - mathematical methods, statistics
31
LCD - Ecology - comprensive works
29
LHH - Microbiology - methods
29
LCQ - Marine research
26
UED - Environmental policy
26
MSH - Mathematical methods in life sciences
25
UA - Environment - general
25
UEN - Environmental economy
25
UUD - Ecotoxicology
25
LEE - Botany - general aspects
24
UCE - Environmental impact, environmental pollution
24
UMV - Climatic change
24
LCP - Limnology
23
UEF - Sustainability
21
LCNA - Soil microbiology
20
UHC - Area planning and environment
20
UPVF - Surface waters - streams, rivers, lakes
20
UMRC - Effects of air pollution on plants and animals
19
LENS - Plant physiology - stress factors
18
LEK - Botany - systematics, taxonomy
17
UAM - Environmental models
17
UCS - Environmental chemistry
17
UEA - Environmental policy and economy - general aspects
17
GRB - Climatology
16
LCMG - Animals - ecology
16
LEL - Botany - lower plants
16
LCA - Ecology - reference books
15
more ...