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Volcanic ash deposition and long-term vegetation change on subantarctic Marion Island

Yeloff, Dan, Mauquoy, Dmitri, Barber, Keith, Way, Susannah, van Geel, Bas and Turney, Chris S.M. (2007) Volcanic ash deposition and long-term vegetation change on subantarctic Marion Island Arctic, Antarctic, and Alpine Research, 39, (3), pp. 500-511. (doi:10.1657/1523-0430(06-040)[YELOFF]2.0.CO;2).

Record type: Article

Abstract

A c. 5500 year record of peatland development and vegetation change was generated from a core recovered from an Agrostis magellanica peat bog on subantarctic Marion Island, using palynomorph, plant macrofossil, and tephra analyses. Two tephra horizons (both 17 cm thick) were identified and dated to ca. 2900 cal. BP and ca. 1700 cal. BP. Succession of the vegetation as a consequence of tephra deposition, particularly by the pioneer Azorella selago, appears to have been very slow, lasting as long as c. 700 yr. The slow pace of vegetation succession highlights the sensitivity of the indigenous Marion Island flora to environmental change, and the vulnerability to the spread of alien invasive species.

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Published date: August 2007

Identifiers

Local EPrints ID: 55782
URI: http://eprints.soton.ac.uk/id/eprint/55782
ISSN: 1523-0430
PURE UUID: 193bae6a-0d65-466f-9926-f3bbc5245796

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Date deposited: 06 Aug 2008
Last modified: 17 Jul 2017 14:32

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Contributors

Author: Dan Yeloff
Author: Dmitri Mauquoy
Author: Keith Barber
Author: Susannah Way
Author: Bas van Geel
Author: Chris S.M. Turney

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