Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia
Vast areas of peatlands have been drained for forestry endangering their carbon sink function. Peatland rewetting aims at mitigating the situation through restoring the hydrology and vegetation of these areas. We compared the carbon dioxide (CO2) fluxes and phy-tomass on four pairs of rewetted and p...
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Finnish Environment Institute
2020
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ftunivhelsihelda:oai:helda.helsinki.fi:10138/310572 2024-01-07T09:42:29+01:00 Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia Purre, Anna-Helena Penttilä, Timo Ojanen, Paavo Minkkinen, Kari Aurela, Mika Lohila, A. Ilomets, Mati Department of Forest Sciences Forest Ecology and Management Kari Minkkinen / Principal Investigator Institute for Atmospheric and Earth System Research (INAR) 2020-01-29T10:42:02Z 19 application/pdf http://hdl.handle.net/10138/310572 eng eng Finnish Environment Institute Purre , A-H , Penttilä , T , Ojanen , P , Minkkinen , K , Aurela , M , Lohila , A & Ilomets , M 2019 , ' Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia ' , Boreal Environment Research , vol. 24 , pp. 243-261 . RIS: urn:48377F673445D10E96EEC5D1171B0174 ORCID: /0000-0001-8520-0084/work/68613619 ORCID: /0000-0003-4785-3521/work/68614551 85077051438 1acce992-584f-4909-a85f-47176d326423 http://hdl.handle.net/10138/310572 000529101800012 unspecified openAccess info:eu-repo/semantics/openAccess 1172 Environmental sciences 4112 Forestry Article publishedVersion 2020 ftunivhelsihelda 2023-12-14T00:06:14Z Vast areas of peatlands have been drained for forestry endangering their carbon sink function. Peatland rewetting aims at mitigating the situation through restoring the hydrology and vegetation of these areas. We compared the carbon dioxide (CO2) fluxes and phy-tomass on four pairs of rewetted and pristine peatland sites in Finland and Estonia, and described correlations between phytomass and CO2 fluxes. We measured the net ecosystem exchange of CO2 (NEE), respiration and photosynthesis over one growing season using manual chambers, and biomass of plant functional types (PFT) on rewetted sites and their pristine counterparts. Although pair-wise differences in the vegetation were small, pristine sites were on average stronger CO2 sinks than rewetted sites. Respiration was higher in hummocks while no differences were found in photosynthesis between hummocks and hollows. No clear relationship between the biomasses of PFTs and NEE was found. Generally, however, CO2 uptake decreased with increase in Sphagnum biomass. © 2019, Finnish Environment Institute. All rights reserved. Peer reviewed Article in Journal/Newspaper Boreal Environment Research HELDA – University of Helsinki Open Repository |
institution |
Open Polar |
collection |
HELDA – University of Helsinki Open Repository |
op_collection_id |
ftunivhelsihelda |
language |
English |
topic |
1172 Environmental sciences 4112 Forestry |
spellingShingle |
1172 Environmental sciences 4112 Forestry Purre, Anna-Helena Penttilä, Timo Ojanen, Paavo Minkkinen, Kari Aurela, Mika Lohila, A. Ilomets, Mati Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia |
topic_facet |
1172 Environmental sciences 4112 Forestry |
description |
Vast areas of peatlands have been drained for forestry endangering their carbon sink function. Peatland rewetting aims at mitigating the situation through restoring the hydrology and vegetation of these areas. We compared the carbon dioxide (CO2) fluxes and phy-tomass on four pairs of rewetted and pristine peatland sites in Finland and Estonia, and described correlations between phytomass and CO2 fluxes. We measured the net ecosystem exchange of CO2 (NEE), respiration and photosynthesis over one growing season using manual chambers, and biomass of plant functional types (PFT) on rewetted sites and their pristine counterparts. Although pair-wise differences in the vegetation were small, pristine sites were on average stronger CO2 sinks than rewetted sites. Respiration was higher in hummocks while no differences were found in photosynthesis between hummocks and hollows. No clear relationship between the biomasses of PFTs and NEE was found. Generally, however, CO2 uptake decreased with increase in Sphagnum biomass. © 2019, Finnish Environment Institute. All rights reserved. Peer reviewed |
author2 |
Department of Forest Sciences Forest Ecology and Management Kari Minkkinen / Principal Investigator Institute for Atmospheric and Earth System Research (INAR) |
format |
Article in Journal/Newspaper |
author |
Purre, Anna-Helena Penttilä, Timo Ojanen, Paavo Minkkinen, Kari Aurela, Mika Lohila, A. Ilomets, Mati |
author_facet |
Purre, Anna-Helena Penttilä, Timo Ojanen, Paavo Minkkinen, Kari Aurela, Mika Lohila, A. Ilomets, Mati |
author_sort |
Purre, Anna-Helena |
title |
Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia |
title_short |
Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia |
title_full |
Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia |
title_fullStr |
Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia |
title_full_unstemmed |
Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia |
title_sort |
carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in finland and estonia |
publisher |
Finnish Environment Institute |
publishDate |
2020 |
url |
http://hdl.handle.net/10138/310572 |
genre |
Boreal Environment Research |
genre_facet |
Boreal Environment Research |
op_relation |
Purre , A-H , Penttilä , T , Ojanen , P , Minkkinen , K , Aurela , M , Lohila , A & Ilomets , M 2019 , ' Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia ' , Boreal Environment Research , vol. 24 , pp. 243-261 . RIS: urn:48377F673445D10E96EEC5D1171B0174 ORCID: /0000-0001-8520-0084/work/68613619 ORCID: /0000-0003-4785-3521/work/68614551 85077051438 1acce992-584f-4909-a85f-47176d326423 http://hdl.handle.net/10138/310572 000529101800012 |
op_rights |
unspecified openAccess info:eu-repo/semantics/openAccess |
_version_ |
1787423453800824832 |