NOx :: Lichens (general)

Latin name: 
Lichens (general)

Impact Type: Direct exposure to pollutant

Key Concerns:

NO2 and SO2 are probably the most important air pollutants in determining lichen biodiversity (van Dobben & ter Braak 1998, van Dobben et al. 2001, Von Arb et al. 1990). However there is no scale of sensitivity for NO2 as there is for SO2 such as the Hawksworth and Rose scale (1970a). Most studies have looked at the effects of NO2 and SO2 combined or SO2 alone. Von Arb et al. (1990) have presented evidence that NO2 alone might play a significant role, but come to the conclusion that further experiments are needed to determine the impact of NO2 as a single air pollutant.

Additional Comments:

There is a lack of published studies of NO2 impacts on lichens. 

Critical Load/level: 
Critical Load/ Level

No estimate available

Species group: 

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