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Analysis of air pollution using lichens. Lichens Lichens are composite organisms consisting of a symbiotic association of a fungus with a photosynthetic.

Published byLouise Alicia Elliott Modified over 9 years ago

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Presentation on theme: "Analysis of air pollution using lichens. Lichens Lichens are composite organisms consisting of a symbiotic association of a fungus with a photosynthetic."— Presentation transcript:

1 Analysis of air pollution using lichens

2 Lichens Lichens are composite organisms consisting of a symbiotic association of a fungus with a photosynthetic partner, usually green algae

3

4 Many lichen are sensitive to changes around them. For this reason, they are bioindicators of clean air.

5 Traditionally three broad categories of lichen have been recognized: crustose (crusty)

6 foliose (leafy)

7 fruticose (shrubby)

8 Analysis of air quality in Slovenj Gradec According to level of pollution, there are 5 lichenbelts : A – very clean air B – clean air C – less clean air D – occasionally polluted air E – very pollutant air

9 Center of SG:25 years ago - D belt (occasionally polluted air) today – C belt (less clean air) Area around SG:25 years ago – B belt (clean air) today – C belt (less clean air)

10 LYCHEN MAP OF SLOVENIA

11 Major pollutants 25 years ago: Coal, thermal power plant Šoštanj, mine Mežica

12 Today: transportation, factories, industry…

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