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Bio indicators: Lichens
Credit
: Benjamin Musella - PNR Queyras
Description
A symbiosis between an alga and a fungus, lichens are both very strong and very fragile. Indeed, they are able to withstand a strong drought and extremely different temperatures (-70 °C / -94 °F to 70 °C / 158 °F). However, they are very sensitive to air pollution, including sulphur dioxide. They are thus good indicators of air quality. Here, you can contemplate two species of fruticose lichens. One has a vivid yellow colour which is due to the presence of a particularly toxic acid: vulpinic acid.
Technical Information
Lat, Lng
44.72232776.8677946
Coordinates copied
Point of Interest updated on 30/11/2025
Altimetric profile
IGN cards
3637OTR - MONT VISO RESISTANTE SAINT-VÉRAN AIGUILLES PNR DU QUEYRAS
Editor : IGN
Collection : TOP 25 RÉSISTANTE
Scale : 1:25 000
17.20€
3637OT - MONT VISO SAINT-VÉRAN AIGUILLES PNR DU QUEYRAS
Editor : IGN
Collection : TOP 25 ET SÉRIE BLEUE
Scale : 1:25 000
13.90€
TOP75005 - BRIANCONNAIS QUEYRAS
Editor : IGN
Collection : TOP 75
Scale : 1:75 000
9.80€
D04-05 ALPES-DE-HAUTE-PROVENCE HAUTES-ALPES
Editor : IGN
Collection : CARTES DÉPARTEMENTALES IGN
Scale : 1:150 000
5.90€
NR16 PROVENCE-ALPES-CÔTE D'AZUR
Editor : IGN
Collection : CARTES RÉGIONALES IGN
Scale : 1:250 000
6.80€
NR15 AUVERGNE-RHÔNE-ALPES RECTO/VERSO MASSIF ALPIN
Editor : IGN
Collection : CARTES RÉGIONALES IGN
Scale : 1:250 000
6.80€
NR14 AUVERGNE-RHÔNE-ALPES RECTO/VERSO MASSIF CENTRAL
Editor : IGN
Collection : CARTES RÉGIONALES IGN
Scale : 1:250 000
6.80€
EUROPE
Editor : IGN
Collection : DÉCOUVERTE DES PAYS DU MONDE IGN
Scale : 1:2 500 000
7.00€
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