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Cent ans de dynamique forestière spontanée en plein petit âge glaciaire dans le Pays de Bitche, Lorraine

Abstract : This study is an analysis of a historical document dating back to 1758, entitled Atlas topographique du comté de Bitche (north-eastern France). This document was signed by a French engineer. It was drafted during the small ice age, following a period when forestry practices were stopped for 100 years or so because of severe political unrest. The document describes beech-oak forests (age, dimensions, sanitary state, regeneration) of the Pays de Bitche, in order to evaluate their richness. By converting the qualitative data of the atlas into semi-quantitative data, we managed to recreate landscapes at that time. The age-diameter matching proposed by the atlas was re-evaluated by coring present-day trees. The results showed the presence of a mature beech forest dominated by beech, very rich in large and very large trees, including a substantial number of oaks that died following competition with beech and repeated climate stress. The better resistance of beech to climate stress is discussed.
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Submitted on : Friday, April 23, 2021 - 9:46:24 AM
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Annik Schnitzler. Cent ans de dynamique forestière spontanée en plein petit âge glaciaire dans le Pays de Bitche, Lorraine. Revue forestière française, AgroParisTech, 2020, 72 (4), pp.361-376. ⟨10.20870/revforfr.2020.5332⟩. ⟨hal-03206210⟩



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