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Etude écologique du changement climatique et des effets de l'ozone sur les chênes ainsi que sur l'écosystème d'une forêt dépérissante en Europe Centrale : vers une intégration dans les prises de décisions politiques pour un aménagement forestier durable

Abstract : The condition of Hungarian forest ecosystems was analysed and compared to the European and world ecosystems, taking into account the global climatic changes. The Hungarian site of Síkfökút, continuously studied during the last twenty-five years has been considered in the light of new concepts. Two oak species Quercus petraea and Quercus cerris are growing in this stand, showing contrasting declining symptoms, Q. cerris being considered as more resistant. Different analyses were made on the site, including dendrochronology and litter decomposition. In parallel, a fumigation experiment with ozone was carried out in a phytotronic chamber including two more oak species Q. robur and Q. rubra. The four oak species showed differential responses to ozone and they can be ranged from the more ozone tolerant to the more sensitive as follows: Q. cerris > Q. rubra > Q. petraea > Q. robur. These results led to suggestions for recommendations of species selection in reforestation and afforestation.
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Theses
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http://docnum.univ-lorraine.fr/prive/SCD_T_1999_0290_O_HEIX.pdf
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https://hal.univ-lorraine.fr/tel-01747257
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Submitted on : Thursday, March 29, 2018 - 10:55:53 AM
Last modification on : Tuesday, January 12, 2021 - 2:02:33 PM

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  • HAL Id : tel-01747257, version 1

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Bruno-Charles O'Heix. Etude écologique du changement climatique et des effets de l'ozone sur les chênes ainsi que sur l'écosystème d'une forêt dépérissante en Europe Centrale : vers une intégration dans les prises de décisions politiques pour un aménagement forestier durable. Sylviculture, foresterie. Université Henri Poincaré - Nancy 1, 1999. Français. ⟨NNT : 1999NAN10290⟩. ⟨tel-01747257⟩

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