Per Weslien

Principal Research Engineer

Department of Earth

Sciences

Telephone

+46 703-88 89 94

Mail

per.weslien@gu.se

Visiting address

Guldhedsgatan 5A

41320 Göteborg

Postal address

Box 460

40530 Göteborg

Publications

Spatial and temporal variation in delta C-13 values of methane emitted from a hemiboreal mire: methanogenesis, methanotrophy, and
hysteresis

J. Rinne, P. Lakomiec, P. Vestin, J. D. White, Per Weslien, J. Kelly, N. Kljun, L. Strom, Leif Klemedtsson
Biogeosciences - 2022
Warming response of peatland CO2 sink is sensitive to seasonality in warming
trends

M. Helbig, T. Živković, P. Alekseychik, M. Aurela, T. S. El-Madany, E. S. Euskirchen, L. B. Flanagan, T. J. Griffis, P. J. Hanson, J. Hattakka, C. Helfter, T. Hirano, E. R. Humphreys, G. Kiely, R. K. Kolka, T. Laurila, P. G. Leahy, A. Lohila, I. Mammarella, M. B. Nilsson, A. Panov, F. J.W. Parmentier, M. Peichl, J. Rinne, D. T. Roman, O. Sonnentag, E. S. Tuittila, M. Ueyama, T. Vesala, P. Vestin, S. Weldon, Per Weslien, S. Zaehle
Nature Climate Change - 2022
Nitrous oxide emissions from five fertilizer treatments during one year-High-frequency measurements on a Swedish
Cambisol

Magdalena Wallman, C. Lammirato, S. Delin, Leif Klemedtsson, Per Weslien, Tobias Rütting
Agriculture, Ecosystems & Environment - 2022
Low Nitrous Oxide Emissions in a Boreal Spruce Forest Soil, Despite Long-Term
Fertilization

Tobias Rütting, Anna-Karin Björsne, Per Weslien, Åsa Kasimir, Leif Klemedtsson
Frontiers in Forests and Global Change - 2021
Measuring frequency and accuracy of annual nitrous oxide emission
estimates

C. Lammirato, Magdalena Wallmann, Per Weslien, Leif Klemedtsson, Tobias Rütting
Agricultural and Forest Meteorology - 2021
SITES AquaNet: An open infrastructure for mesocosm experiments with high frequency sensor monitoring across
lakes

P. Urrutia-Cordero, O. Langvall, P. Blomkvist, D. G. Angeler, S. Bertilsson, W. C. Montero, P. Eklov, N. A. Jakobsen, Leif Klemedtsson, H. Laudon, Bengt Liljebladh, M. Lundgren, L. Parkefelt, E. Kelpsiene, D. Pierson, J. Rankinen, M. Striebel, L. J. Tranvik, Per Weslien, H. Hillebrand, S. Langenheder
Limnology and Oceanography-Methods - 2021
Modelling and upscaling ecosystem respiration using thermal cameras and UAVs: Application to a peatland during and after a hot
drought

J. Kelly, N. Kljun, L. Eklundh, Leif Klemedtsson, Bengt Liljebladh, P. O. Olsson, Per Weslien, X. H. Xie
Agricultural and Forest Meteorology - 2021
Upscaling Northern Peatland CO2 Fluxes Using Satellite Remote Sensing
Data

S. Junttila, J. Kelly, N. Kljun, M. Aurela, Leif Klemedtsson, A. Lohila, M. B. Nilsson, J. Rinne, E. S. Tuittila, P. Vestin, Per Weslien, L. Eklundh
Remote Sensing - 2021
Carbon Dioxide and Methane Flux Response and Recovery From Drought in a Hemiboreal Ombrotrophic
Fen

J. B. Keane, S. Toet, P. Ineson, Per Weslien, J. E. Stockdale, Leif Klemedtsson
Frontiers in Earth Science - 2021
Effect of the 2018 European drought on methane and carbon dioxide exchange of northern mire
ecosystems

J. Rinne, J. P. Tuovinen, L. Klemedtsson, M. Aurela, J. Holst, A. Lohila, Per Weslien, P. Vestin, P. Lakomiec, M. Peichl, E. S. Tuittila, L. Heiskanen, T. Laurila, X. Li, P. Alekseychik, I. Mammarella, L. Strom, P. Crill, M. B. Nilsson
Philosophical Transactions of the Royal Society B-Biological Sciences - 2020
Effects of drought and meteorological forcing on carbon and water fluxes in Nordic forests during the dry summer of
2018

A. Lindroth, J. Holst, M. L. Linderson, M. Aurela, T. Biermann, M. Heliasz, J. S. Chi, A. Ibrom, P. Kolari, Leif Klemedtsson, A. Krasnova, T. Laurila, I. Lehner, A. Lohila, I. Mammarella, M. Molder, M. O. Lofvenius, M. Peichl, K. Pilegaard, K. Soosar, T. Vesala, P. Vestin, Per Weslien, M. Nilsson
Philosophical Transactions of the Royal Society B-Biological Sciences - 2020
Greenhouse gas dynamics of a well-drained afforested agricultural
peatland

Maria Ernfors, Robert G. Björk, Azad Nousratpour, David Rayner, Per Weslien, Leif Klemedtsson
Boreal environment research - 2020
Challenges and Best Practices for Deriving Temperature Data from an Uncalibrated UAV Thermal Infrared
Camera

J. Kelly, N. Kljun, P. O. Olsson, L. Mihai, Bengt Liljeblad, Per Weslien, Leif Klemedtsson, L. Eklundh
Remote Sensing - 2019
Standardisation of chamber technique for CO2, N2O and CH4 fluxes measurements from terrestrial
ecosystems

M. Pavelka, M. Acosta, R. Kiese, N. Altimir, C. Brümmer, P Crill, E. Darenova, R Fuß, B. Gielen, A. Graf, Leif Klemedtsson, A Lohila, B. Longdoz, A. Lindroth, M. Nilsson, S. M. Jiménez, L. Merbold, L. Montagnani, M. Peichl, M. Pihlatie, J. Pumpanen, P. S. Ortiz, H. Silvennoinen, U. Skiba, P. Vestin, Per Weslien, D. Janous, W. Kutsch
International Agrophysics - 2018
Towards long-term standardised carbon and greenhouse gas observations for monitoring Europe´s terrestrial ecosystems: a
review

D Franz, M. Acosta, N. Altimir, N. Arriga, D. Arrouays, M. Aubinet, M. Aurela, E. Ayres, A. López-Ballesteros, M. Barbaste, D. Berveiller, S. Biraud, H. Boukir, T. Brown, C. Brümmer, N. Buchmann, G. Burba, A. Carrara, A. Cescatti, E. Ceschia, R. Clement, E. Cremonese, P. Crill, E. Darenova, S. Dengel, P. D’Odorico, G. Filippa, S. Fleck, G. Fratini, R. Fuß, B. Gielen, S. Gogo, J. Grace, A. Graf, A. Grelle, P. Gross, T. Grünwald, S. Haapanala, M. Hehn, B. Heinesch, J. Heiskanen, M. Herbst, C. Herschlein, L. Hörtnagl, K. Hufkens, A. Ibrom, C. Jolivet, L. Joly, M. Jones, R. Kiese, Leif Klemedtsson, N. Kljun, K. Klumpp, P. Kolari, O. Kolle, A. Kowalski, W. Kutsch, T. Laurila, A. de Ligne, S. Linder, A. Lindroth, A. Lohila, B. Longdoz, I. Mammarella, T. Manise, S. M. Jiménez, G. Matteucci, M. Mauder, P. Meier, L. Merbold, S. Mereu, S. Metzger, M. Migliavacca, M. Mölder, L. Montagnani, C. Moureaux, D. Nelson, E. Nemitz, G. Nicolini, M. B. Nilsson, M. Op de Beeck, B. Osborne, M. Ottosson Löfvenius, M. Pavelka, M. Peichl, O. Peltola, M. Pihlatie, A. Pitacco, R. Pokorný, J. Pumpanen, C. Ratié, C. Rebmann, M. Roland, S. Sabbatini, N. P.A. Saby, M. Saunders, H. P. Schmid, M. Schrumpf, P. Sedlák, P. S Ortiz, L. Siebicke, L. Šigut, H. Silvennoinen, G. Simioni, U. Skiba, O. Sonnentag, K. Soudani, P. Soulé, R. Steinbrecher, T. Tallec, A. Thimonier, E.-S. Tuittila, J.-P. Tuovinen, P. Vestin, G. Vincent, C. Vincke, D. Vitale, P. Waldner, Per Weslien, L. Wingate, G. Wohlfahrt, M. Zahniser, T. Vesala
International Agrophysics - 2018
Nitrous oxide emissions from Norway spruce forests on drained organic and mineral
soil

Mohammad Aurangojeb, Leif Klemedtsson, Tobias Rütting, Hongxing He, Per Weslien, Stefan Banzhaf, Åsa Kasimir
Canadian Journal of Forest Research - 2017
Nitrous oxide and nitrate losses – influencing factors in willow cropping investigated by
modelling

Hongxing He, Per-Erik Jansson, Anna Hedenrud, Sophie Rychlik, Per Weslien, Leif Klemedtsson, Åsa Kasimir
19th N workshop. June 27-29, 2016, Skara, Sweden - 2016
A fertile peatland forest does not constitute a major greenhouse gas
sink

Astrid Meyer, Lasse Tarvainen, Azad Nousratpour, Robert G. Björk, Maria Ernfors, Achim Grelle, Åsa Kasimir Klemedtsson, Lindroth Ander, Mats Räntfors, Tobias Rütting, Göran Wallin, Per Weslien, Leif Klemedtsson
Biogeosciences - 2013
Carrot cropping on organic soil is a hotspot for nitrous oxide
emissions

Per Weslien, Tobias Rütting, Åsa Kasimir Klemedtsson, Leif Klemedtsson
Nutrient Cycling in Agroecosystems - 2012
The response of methane and nitrous oxide fluxes to forest change in
Europe

P. Gundersen, J. R. Christiansen, G. Alberti, N. Brüggemann, S. Castaldi, R. Gasche, B. Kitzler, Leif Klemedtsson, R. Lobo-do-Vale, F. Moldan, Tobias Rütting, P. Schleppi, Per Weslien, S. Zechmeister-Boltenstern
Biogeosciences - 2012
Modelling uncertainty for nitrate leaching and nitrous oxide emissions based on a Swedish field experiment with organic crop
rotation

Josefine Nylinder, Maria Stenberg, Per-Erik Jansson, Åsa Kasimir Klemedtsson, Per Weslien, Leif Klemedtsson
Agriculture, Ecosystems and Environment - 2011
Skogaryd – Integration of terrestrial and freshwater greenhouse gas sources and
sinks

Leif Klemedtsson, David Bastviken, Robert G. Björk, Pascal Boeckx, Patrick Crill, Alf Ekblad, Maria Ernfors, Per-Erik Jansson, Anders Lindroth, Azad Nousratpour, Josefine Nylinder, Anna Rutgersson, Tobias Rütting, Mats Räntfors, Sebastian Sobek, Lasse Tarvainen, Frida Thomsen, Lars Tranvik, Göran Wallin, Per Weslien, Gesa Weyhenmeyer
1st COST meeting ‘Belowground carbon in Europeanforest’, Birmensdorf, Switzerland, 26–28 January 2010. - 2010
Nitrous oxide emissions from a clay soil depend on timing of autumn mouldboard
ploughing

Maria Stenberg, Tobias Rütting, Per Weslien, Å Myrbeck, J Wetterlind, Josefine Nylinder, Åsa Kasimir Klemedtsson, Leif Klemedtsson
19th World Congress of Soil Science - 2010
Reduction of greenhouse gas emissions by wood ash application to a Picea abies (L.) Karst. forest on a drained organic
soil

Leif Klemedtsson, Maria Ernfors, Robert G. Björk, Per Weslien, Tobias Rütting, Patrick Crill, Ulf Sikström
European Journal of Soil Science - 2010
Land use effects on nitrous oxide emission from drained organic
soils

Per Weslien
2010
Influences by cropping system and management on nitrogen loss on a clay
soil

Josefine Nylinder, Maria Stenberg, Per-Erik Jansson, Åsa Kasimir Klemedtsson, Per Weslien, Leif Klemedtsson
Proceedings of the 16th Nitrogen Workshop. Connecting different scales of nitrogen use in agriculture. June 28th - July 1st 2009, Turin Italy - 2009
Storms can cause Europe-wide reduction in forest carbon
sink

Anders Lindroth, Fredrik Lagergren, Achim Grelle, Leif Klemedtsson, Ola Langvall, Per Weslien, Janno Tuulik
Global Change Biology - 2009
Strong pH influence on N2O and CH4 fluxes from forested organic
soils

Per Weslien, Åsa Kasimir Klemedtsson, Leif Klemedtsson
European Journal of Soil Science - 2009
Methane and nitrous oxide fluxes from a farmed Swedish
Histosol

Åsa Kasimir Klemedtsson, Per Weslien, Leif Klemedtsson
European Journal of Soil Science - 2009
Contemporary carbon accumulation in a boreal oligotrophic minerogenic mire - a significant sink after accounting for all
C-fluxes

M. Nilsson, J. Sagerfors, I. Buffam, H. Laudon, T. Eriksson, A. Grelle, Leif Klemedtsson, Per Weslien, A. Lindroth
Global Change Biology - 2008
Annual CO2 exchange between a nutrient-poor, minerotrophic, boreal mire and the
atmosphere

J. Sagerfors, A. Lindroth, A. Grelle, Leif Klemedtsson, Per Weslien, M. Nilsson
Journal of Geophysical Research-Biogeosciences - 2008
Bayesian calibration method used to elucidate carbon turnover in forest on drained organic
soil

Leif Klemedtsson, P. E. Jansson, D. Gustafsson, L. Karlberg, Per Weslien, K. von Arnold, Maria Ernfors, O. Langvall, A. Lindroth
Biogeochemistry - 2008
Measurement of net ecosystem exchange, productivity and respiration in three spruce forests in Sweden shows unexpectedly large soil carbon
losses

A. Lindroth, Leif Klemedtsson, A. Grelle, Per Weslien, O. Langvall
Biogeochemistry - 2008
Pools and fluxes of carbon in three Norway spruce ecosystems along a climatic gradient in
Sweden

D. B. Kleja, M. Svensson, H. Majdi, P. E. Jansson, O. Langvall, B. Bergkvist, M. B. Johansson, Per Weslien, L. Truusb, A. Lindroth, G. I. Agren
Biogeochemistry - 2008
Influences by cropping systems on nitrogen leaching from a clay soil at Logården in
Sweden.

Maria Stenberg, Åsa Kasimir Klemedtsson, Leif Klemedtsson, Per Weslien, Sofia Delin, C-A Helander, Josefine Norman
Poster at NEU workshop pfebruary 2007 Paestum Italy. - 2007
Nitrous oxide emissions from organic crop production on clay soils in Logården,
Sweden

Josefine Norman, Åsa Kasimir Klemedtsson, Maria Stenberg, Per Weslien, Leif Klemedtsson
Poster at NEU workshop february 2007 Paestum Italy. - 2007
Nitrogen leaching and nitrous oxide emissions from integrated and organic
farming.

Josefine Norman, Maria Stenberg, Åsa Kasimir Klemedtsson, Per Weslien, Leif Klemedtsson
COST 856 14th meeting in Uppsala, Sweden december 2007 - 2007
Large carbon-sink potential by Kyoto forests in Sweden - A case study on willow
plantations

A. Grelle, P. Aronsson, Per Weslien, Leif Klemedtsson, A. Lindroth
Tellus Series B-Chemical and Physical Meteorology - 2007
Nitrogen use efficiency in integrated and organic
farming

Maria Stenberg, Leif Klemedtsson, Sofia Delin, Åsa Kasimir Klemedtsson, Per Weslien
Sustainability - its Impact on Soil Management and Environment - 2006
Nitrous oxide emissions and nitrogen use
efficiency.

Maria Stenberg, Åsa Kasimir Klemedtsson, Leif Klemedtsson, Per Weslien
14th N-workshop "N management in agroecosystems in relation to the water fermework directive. 24-26 Oct. Maastricht. Book of abstracts - 2005
Nitrous oxide emissions and nitrogen use
efficiency

Åsa Kasimir Klemedtsson, Leif Klemedtsson, Maria Stenberg, Per Weslien
Focus on soils Symposium. Managing soils for the future. - 2005
Kvävehushållning i ekologisk växtodling kväveutlakning och
lustgasemissioner

Maria Stenberg, Åsa Kasimir Klemedtsson, Leif Klemedtsson, Sofia Delin, Per Weslien
Ekologiskt lantbruk Konferens "Att navigera i en ny tid" CUL SLU Uppsala - 2005
Soil CN ratio as a scalar parameter to predict nitrous oxide
emissions

Leif Klemedtsson, K. von Arnold, Per Weslien, P. Gundersen
Global Change Biology - 2005
Fluxes of CO2, CH4 and N2O from drained coniferous forests on organic
soils

K. von Arnold, Per Weslien, M. Nilsson, B. H. Svensson, Leif Klemedtsson
Forest Ecology and Management - 2005
Fluxes of CO2, CH4 and N2O from drained organic soils in deciduous
forests

K. von Arnold, M. Nilsson, B. Hanell, Per Weslien, Leif Klemedtsson
Soil Biology & Biochemistry - 2005
Can distribution of trees explain variation in nitrous oxide
fluxes?

Karin von Arnold, Maria Ivarsson, Mats Öqvist, H. Majdi, Robert G. Björk, Per Weslien, Leif Klemedtsson
Scandinavian Journal of Forest Research - 2005
Nitrous oxide production in a forest soil at low temperatures - processes and environmental
controls

M. G. Oquist, M. Nilsson, Fred Sörensson, Åsa Kasimir Klemedtsson, T. Persson, Per Weslien, Leif Klemedtsson
Fems Microbiology Ecology - 2004
Nitrous oxide production in a forest soil at low temperatures – processes and environmental
controls.

Fred Sörensson, Åsa Kasimir Klemedtsson, Leif Klemedtsson, Per Weslien
FEMS Microbiology Ecology - 2004