Fire Impact on the Formation and Development of the Boreal Pine Wooded Mires

DIVERSITY-BASEL(2023)

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摘要
Based on the analysis of the botanical composition of the organic-mineral soil layer and peat, dendrochronological and radiocarbon datings, we performed the reconstruction of the development of six pine wooded sphagnum bogs located in the boreal zone of Russia. Most of the bogs under study followed the endogenesis patterns with the vegetation cover gradually changing, peat layer growing, substrate trophicity declining and shrub-sphagnous vegetation forming under modern conditions. Emerging pyrogenic layers and charcoals in the peat indicate that the study sites were constantly affected by fires, which periodically interrupted the endogenous development of the bogs, especially during the warmest Holocene periods.
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关键词
pine wooded bogs,Holocene,mire development,fire dynamics,paleo-communities
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