Subject
plant ecology
43
ecology
14
vegetation
14
plant
10
ecophysiology
9
plant physiology
9
population ecology
9
ecosystem
8
plant metabolism
8
plant growth
7
biotope
6
botany
6
biological stress
5
root
5
spruce
4
anatomy
3
evolution
3
mycorrhiza
3
parasite
3
plant hormone
3
plant protection
3
rhizosphere
3
soil biology
3
Alps
2
agriculture
2
archaeometry
2
biodiversity
2
carbon dioxide
2
carbon dioxide acceptor process
2
carbon dioxide cycle
2
climatology
2
environment
2
environmental impact
2
exchange process
2
forestry
2
geomorphology
2
hydrogeology
2
interaction
2
isotope
2
landscape
2
limnology
2
mapping
2
microbial ecology
2
mineral nutrition
2
partitioning
2
plant classification
2
salinity
2
secondary metabolism
2
secretion
2
symbiosis
2
more ...