Human and climatic impact on mires: a case study of Les Amburnex mire, Swiss Jura Mountains

Sjögren, Per; Lamentowicz, Mariusz (2008). Human and climatic impact on mires: a case study of Les Amburnex mire, Swiss Jura Mountains. Vegetation History and Archaeobotany, 17(2), pp. 185-197. Springer-Verlag 10.1007/s00334-007-0095-9

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Modern period long-term human and climatic impacts on a small mire in the Jura Mountains were assessed using testate amoebae, macrofossils and pollen. This multiproxy data analysis permitted detailed interpretations of local and regional environmental change and thus a partial disentanglement of the different variables that influence long-term mire development. From the Middle Ages until a.d. 1700 the mire vegetation was characterised by ferns, Caltha and Vaccinium, but then abruptly changed into the modern vegetation characterised by Cyperaceae, Potentilla and Sphagnum. The cause for this change was most probably deforestation, possibly enhanced by climatic cooling. A decrease in trampling intensity by domestic animals from a.d. 1950 onwards allowed Sphagnum growth and climatic warming in the a.d. 1980s and 1990s may have been responsible for considerable changes in the species composition. The mire investigated is an example of the rapid changes in mire vegetation and peat development that occurred throughout the central European mountain region during the past centuries as a result of changing climate and land-use practice. These processes are still active today and will determine the future development of high-altitude mires.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS) > Palaeoecology
08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS)

Subjects:

500 Science > 580 Plants (Botany)

ISSN:

0939-6314

Publisher:

Springer-Verlag

Language:

English

Submitter:

Peter Alfred von Ballmoos-Haas

Date Deposited:

30 Nov 2015 09:58

Last Modified:

23 Oct 2019 21:58

Publisher DOI:

10.1007/s00334-007-0095-9

Uncontrolled Keywords:

Testate amoebae, Macrofossils, Pollen analysis, Human impact, Climate change, Jura Mountains

BORIS DOI:

10.7892/boris.73209

URI:

https://boris.unibe.ch/id/eprint/73209

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