Finsinger, Walter; Tinner, Willy (2007): Plant macrofossils from Lac de Fully [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.807930, Supplement to: Finsinger, W; Tinner, W (2007): Pollen and plant macrofossils at Lac de Fully (2135 m a.s.l.): Holocene forest dynamics on a highland plateau in the Valais, Switzerland. The Holocene, 17(8), 1119-1127, https://doi.org/10.1177/0959683607082552
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Abstract:
We use pollen, stomata and plant-macrofossil records to infer Holocene timberline fluctuations and changes in forest composition at Lac Superieur de Fully (2135 m a.s.l.), a small lake located near the modern regional timberline on a highland plateau in the Central Alps. Our records suggest that during the early Holocene vegetation was rather open on the plateau (eg, heaths of Dryas octopetala, Juniperus nana). The only tree that was able to build major stands was Betula. Other timberline trees (eg, Pinus cembra and Larix) expanded in the catchment of the lake after 8200 cal. BP, when Abies alba expanded at lower elevation. The late appearance of these timberline trees contrasts with previous plant-macrofossil records in the region, which show that the timberline had reached elevations up to at least 2350 m already at 11 000 cal. BP. We suggest that local climatic conditions may have delayed the expansion of closed stands of coniferous trees in the catchment of Lac de Fully until c. 8200 cal. BP, when climate shifted to more humid and less continental conditions. After c. 4600 cal. BP vegetation around the lake primarily responded to human impact, which caused a local lowering of the timberline by at least 150 m.
Coverage:
Latitude: 46.176667 * Longitude: 7.093611
Event(s):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
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4 datasets
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Datasets listed in this publication series
- Finsinger, W; Tinner, W (2007): (Table 2) Age determination of the Lac de Fully sediment sequence. https://doi.org/10.1594/PANGAEA.807921
- Finsinger, W; Tinner, W (2007): Microscopic charcoal concent in sediments of Lac Superieur de Fully (Switzerland). https://doi.org/10.1594/PANGAEA.867186
- Finsinger, W; Tinner, W (2007): Plant macrofossil concentrations from an open section of Lac de Fully sediments. https://doi.org/10.1594/PANGAEA.807929
- Finsinger, W; Tinner, W (2007): Pollen profile of sediments from Lac Superieur de Fully, Switzerland. https://doi.org/10.1594/PANGAEA.873380