lichen vegetation
multivariate analyses
autecological indices
environmental parameters
urban ecology
Grenoble
Epiphytic lichens
air-pollution
urban area
biodiversity
netherlands
fluoride
england
dioxide
time
so2
[SDE.BE] Environmental Sciences/Biodiversity and Ecology
[SDV.BID] Life Sciences/Biodiversity
[SDV.EE] Life Sciences/Ecology, environment