OPAL Air Survey Activity - Lichens 1088 lichen activity results uploaded so far! Launch of ‘live phase’
OPAL Air Survey Activity - Lichens
Are there ‘HOT SPOTS’ of N 2 -tolerant or N 2 -sensitive lichens ? POLLUTION SCORE NITROGEN SENSITIVE LICHENS +1 INTERMEDIATE LICHENS 0 NITROGEN TOLERANT LICHENS
OPAL Air Survey Activity - Lichens
Below Above 60 NO 2 NH 3 Distribution of N 2 sensitive lichens Distribution of N 2 tolerant lichens
OPAL Air Survey Activity - Lichens TRUNKS TWIGS
OPAL Air Survey Activity - Lichens TRUNKSTWIGS NORTH WEST – Frequency of indicator lichens recorded on trunks and twigs
Pollution scores per tree along a West – East transect through Greater London OPAL Air Survey Activity - Lichens