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  • (Dendrochronological usage) Alteration or removal of dead wood from a snag or a living tree (as for example in the case of stripped-barked Pinus longaeva) under the action of the natural atmospheric conditions (precipitation, solar radiation, snow, etc.).
German: Verwitterung
French: altération atmosphérique
Italian: degrado da agenti atmosferici
Spanish: alteración atmosférica
Portuguese: desgaste natural

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