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LICHEN FLORA [1 record]

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Record 1 1997-07-10

English

Subject field(s)
  • Lichens
CONT

The sensitivity of lichens to sulphur dioxide is well known and Hawksworth et al. have attributed changes in lichen flora to this pollutant. Where the winter SO2 levels are [less than] 30 [microgram]/m3, lichen floras are almost identical to late 19th century floras.

French

Domaine(s)
  • Lichens
CONT

Dans une étude préliminaire nous nous sommes donnés comme objectifs : - de cartographier la pollution acide dans la région lyonnaise à partir de l'observation des espèces lichéniques [...] - de discuter de l'influence des facteurs climatiques sur la propagation et l'extension de cette pollution et de la flore lichénique.

Spanish

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