A reappraisal of the mechanisms leading to ombrotrophy in British raised mires
A reappraisal of the mechanisms leading to ombrotrophy in British raised mires
Previous theories of raised mire initiation stress the role of autogenic processes aided by climatic forcing towards increased oceanicity. Recent evidence from stratigraphic surveys in Great Britain and Ireland, however, suggests that raised mire initiation can occur under conditions of falling or fluctuating water tables. Macrofossil assemblages from the lowermost raised peat strata can indicate repeated aeration of the newly formed peat surface. A previously unexplored mechanism for the fen-bog transition is discussed. New research is needed to assess its importance since a sound understanding of the way in which raised mires first formed is important for mire rehabilitation and conservation.
fen-bog transition, holocene, ombrotrophy, peat stratigraphy, raised bog
7-9
Hughes, P.D.M
14f83168-b203-4a91-a850-8c48535dc31b
2000
Hughes, P.D.M
14f83168-b203-4a91-a850-8c48535dc31b
Abstract
Previous theories of raised mire initiation stress the role of autogenic processes aided by climatic forcing towards increased oceanicity. Recent evidence from stratigraphic surveys in Great Britain and Ireland, however, suggests that raised mire initiation can occur under conditions of falling or fluctuating water tables. Macrofossil assemblages from the lowermost raised peat strata can indicate repeated aeration of the newly formed peat surface. A previously unexplored mechanism for the fen-bog transition is discussed. New research is needed to assess its importance since a sound understanding of the way in which raised mires first formed is important for mire rehabilitation and conservation.
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Published date: 2000
Keywords:
fen-bog transition, holocene, ombrotrophy, peat stratigraphy, raised bog
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Local EPrints ID: 58255
URI: http://eprints.soton.ac.uk/id/eprint/58255
ISSN: 1461-023X
PURE UUID: 8cd44624-af8f-416c-8db9-181b1f25dea3
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Date deposited: 18 Aug 2008
Last modified: 16 Mar 2024 03:02
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