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A decade of vegetation development on two revegetated milled peatlands with different trophic status Jan 04 2021 706 KB 811

Volume 27 (2021) Article 02

A decade of vegetation development on two revegetated milled peatlands with different trophic status

by A.-H. Purre, L. Truus, M. Ilomets

Published online: 04.01.2021

Summary

Milled peatlands in the Northern Hemisphere are frequently restored in order to mitigate negative effects of climate change and to benefit biodiversity. The aims of this study are to analyse the development of vegetation on milled peatlands in Estonia after restoration using the moss layer transfer technique (MLTT), relate the plant functional type cover with peat chemical factors, and study correlations between bryophyte and vascular plant cover on sites with different vegetation composition. Nutrient-poor (NP) Viru and nutrient-rich (NR) Ohtu milled peatlands in Northern Estonia were restored via MLTT between 2006 and 2008. Plant species cover was determined annually or biannually from 2009 to 2018, on permanent plots established during the restoration of both sites. Plant functional type cover was assessed in relation to peat chemical properties and time since restoration. The nutrient status of the restoration site plays a major role in vegetation succession, even if similar restoration methods have been applied. Vascular plant cover, especially evergreen shrubs, increased with time since restoration, while bryophyte (mainly Sphagnum) cover increased at the NP site and decreased at the NR site. At the NR site bryophyte cover decreased with increasing vascular plant cover, while the opposite pattern was observed at the NP site.

Citation

Purre, A.-H., Truus, L., Ilomets, M. (2021) A decade of vegetation development on two revegetated milled peatlands with different trophic status. Mires and Peat, 27, 02, 16pp. (Online: http://www.mires-and-peat.net/pages/volumes/map27/map2702.php); doi: 10.19189/MaP.2019.BG.StA.1928

Reviewers

IMCG and IPS acknowledge the work of the reviewers.

 

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