Classification
GPAB - Flora, vegetation - geographical aspects
59
GAN - Geosciences - mathematical methods, computer applications
41
GSC - Remote sensing
20
GPAC - Aquatic biology - geographical aspects
19
UAN - Environment - mathematical methods, computer applications
14
GUAC - Geography - cartography
11
LCMC - Plants - ecology
11
LEK - Botany - systematics, taxonomy
9
GSA - Applied geodesy
7
GUA - Geography - general
7
LGN - Zoology - anatomy, systematics, embryology
6
UHN - Landscape ecology
6
UMV - Climatic change
6
YPB - Economy - general aspects
6
AXA - Geographic surveys - specific countries
5
AXZ - Atlasses
5
GPA - Geobiology - general
5
LCK - Ecology - general aspects
5
LED - Botany - comprehensive works
5
GBAK - Paleontology
4
GUAA - Geography - physical
4
LCL - Biotopes, ecosystems
4
LCM - Terrestrial ecology
4
LCO - Hydrobiology
4
LEE - Botany - general aspects
4
LWY - Fishery and aquaculture
4
UCA - Environmental problems, man and environment - general aspects
4
UPVF - Surface waters - streams, rivers, lakes
4
ALE - Biographies of scientists and Nobel prize winners - individual
3
GBEC - Geomorphology
3
GCA - Regional geology
3
GTAP - Hydrological investigation methods
3
LEL - Botany - lower plants
3
LWV - Agriculture - plant protection
3
UPK - Water resources, water supply
3
YZA - Politics, political science
3
ACZ - Lists of abbreviations
2
AHZ - History of science and technology
2
AJA - Directories - general
2
DOL - Programming language - Python
2
DYK - Image processing
2
EGA - Oil shale, oil sands
2
GBA - General geology, historical geology
2
GNA - Geology - soil sciences
2
GPAA - Fauna - geographical aspects
2
GRB - Climatology
2
GTA - Hydrology - general
2
GVA - Oceanography
2
LCP - Limnology
2
LVN - Food science - chemistry, analytics
2
more ...