The role of fire in the carbon dynamics of a mire, eastern Finland-Reference-Cited by-同舟云学术

The role of fire in the carbon dynamics of a mire, eastern Finland

Published:1999-05 Issue:4 Volume:9 Page:453-462
ISSN:0959-6836
Container-title:The Holocene
language:en
Short-container-title:The Holocene

Author:

Pitkänen Aki¹,Turunen Jukka,Tolonen Kimmo²

Affiliation:

1. Karelian Institute, Department of Ecology, University of Joensuu, PO Box 111, FIN-8010 Joensuu, Finland

2. Department of Biology, University of Joensuu, PO Box 111, FIN-80101 Joensuu, Finland

Abstract

The fire history and the effect of fires on the long-term (apparent) rate of carbon accumulation (LORCA) in the Patvinsuo mire complex, eastern Finland, were determined through stratigraphic and pollen analyses of 98 peat cores. The peat cores were characterized by a large number of charcoal layers and the age of the basal peat varied between 57 and 10 500 years. Mire fires slowed down the progress of vertical peat accumulation and resulted in great carbon losses. The average LORCA in the Patvinsuo cores was clearly lower, 9.2 ± 1.0 (SE) g m-2 yr-1, compared to the average value for all mire sites in the southern half of Finland, 17.7 ± 0.6 (SE) g m-2 yr-1. The average rate of carbon loss in Patvinsuo mire complex was 9.5 ± 1.0 (SE) g m-2 yr-1 and the mean carbon loss in an individual fire was estimated to be 2.5 kg m-2.

Publisher

SAGE Publications

Subject

Paleontology,Earth-Surface Processes,Ecology,Archaeology,Global and Planetary Change

Link

http://journals.sagepub.com/doi/pdf/10.1191/095968399674919303

Reference66 articles.

1. Rates of peat formation in relation to degree of humification and local environment, as shown by studies of a raised bog in Deninark

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