2004
DOI: 10.3406/quate.2004.1780
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La turfigenèse à la fin du Subboréal et au Subatlantique dans les tourbières basses du Massif Central oriental granitique (France): une manifestation de l'action humaine ?[ Peat inception and peat accumulation at the end of the Sub Boreal and during the Sub-Atlantic in the granitic eastern Massif central (France) : an evidence for human activity ]

Abstract: Des études interdisciplinaires géomorphologiques et paléoécologiques montrent que de nombreuses petites tourbières plates minérogènes du Massif central oriental granitique, ne doivent leur existence qu'à la présence d'obstacles qui barrent les têtes de bassin versant. La plupart de ces tourbières n'auraient jamais pu se développer sans ces barrages, les contextes climatiques et hydro-géomorphologiques régionaux n'étant pas toujours favorables a leur mise en place, particulièrement en dessous de 800 m d'altitud… Show more

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Cited by 5 publications
(8 citation statements)
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“…Diot and Baudrimont [82], from the Boëme Valley peat bog (Charente, France), showed a high sensitivity of diatoms to changes in water level, presumably the result of climatic changes in the rainfall regime, with greater abundance of total diatoms, diversity and proportion of (tycho-)planktonic diatoms (i.e., Ellerbeckia arenaria, Melosira varians, and Ulnaria ulna) in humid periods compared to dry periods, also concordant with the record of gastropod remains and pollen records. Diot and Baudrimont [82] suggested the potential of diatoms in the refinement of paleoenvironmental interpretations as paleoecological indicators of the peatland local conditions; this feature is also emphasized by recent authors [60,61,64,87].…”
Section: Diatoms Paleoenvironmental Studies In Peatlandsmentioning
confidence: 88%
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“…Diot and Baudrimont [82], from the Boëme Valley peat bog (Charente, France), showed a high sensitivity of diatoms to changes in water level, presumably the result of climatic changes in the rainfall regime, with greater abundance of total diatoms, diversity and proportion of (tycho-)planktonic diatoms (i.e., Ellerbeckia arenaria, Melosira varians, and Ulnaria ulna) in humid periods compared to dry periods, also concordant with the record of gastropod remains and pollen records. Diot and Baudrimont [82] suggested the potential of diatoms in the refinement of paleoenvironmental interpretations as paleoecological indicators of the peatland local conditions; this feature is also emphasized by recent authors [60,61,64,87].…”
Section: Diatoms Paleoenvironmental Studies In Peatlandsmentioning
confidence: 88%
“…The peat bog initially developed at 2231 ± 251 years cal BP, as shown by complementary diatom and pollen profiles: the increase in (tycho-)planktonic diatom taxa (i.e., Aulacoseira distans and Aulacoseira italica) is associated with a decrease in arboreal pollen and an increase in pollen from aquatic plants, cereals, and crops. This evidence indicates an increase in water level in periods of enhanced agricultural activity [60].…”
Section: Diatoms As Indicators Of Human Impact On Peatlandsmentioning
confidence: 90%
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