Mires and Peat

an online journal jointly published by imcg and ips

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Volume 2 (2007): Article 6 

Plant diversity associated with pools in natural and restored peatlands

by N. Fontaine, M. Poulin and L. Rochefort

Published online: 24.06.2007

Summary

This study describes plant assemblages associated with the edges of peatland pools. We conducted inventories in six natural peatlands in the province of Québec (Canada) in order to measure the contribution of pools to species diversity in climatic regions where peatlands are used for peat extraction. We also carried out vegetation surveys in a peatland that has been restored after peat extraction/harvesting to determine whether pool vegetation establishes along the edges of created pools when dry surface restoration techniques only are used. Pools enhanced plant species richness in natural peatlands. Around created pools, species associated with natural pools were still absent, and non-bog species were present, six years after restoration. On this basis, we emphasise the importance of preserving natural peatlands with pools. In order to restore fully the plant diversity associated with peatlands at harvested sites, it may be necessary to modify pool excavation techniques so that created pools resemble more closely those in natural peatlands. Active introduction of the plant species or communities associated with natural pools may also be needed; candidate species for North America include Andromeda glaucophylla, Cladopodiella fluitans, Carex limosa, Eriophorum virginicum, Rhynchospora alba and Sphagnum cuspidatum.

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Citation

Fontaine, N., Poulin, M. & Rochefort, L. (2007): Plant diversity associated with pools in natural and restored peatlands. Mires and Peat 2: Art. 6. (Online: http://www.mires-and-peat.net/map02/map_02_06.htm) 

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Key title: Mires and Peat ISSN 1819-754X Abbreviated key title: Mires Peat