Methane dynamics in the subarctic tundra: combining stable isotope analyses, plot- and ecosystem-scale flux measurements von Marushchak, M. E, Friborg, T, Biasi, C, Herbst, M, Johansson, T, Kiepe, I, Liimatainen, M, Lind, S. E, Martikainen, P. J, Virtanen, T, Soegaard, H, Shurpali, N. J

Volltext

Intercomparison of fast response commercial gas analysers for nitrous oxide flux measurements under field conditions von Rannik, Ã, Haapanala, S, Shurpali, N. J, Mammarella, I, Lind, S, Hyvönen, N, Peltola, O, Zahniser, M, Martikainen, P. J, Vesala, T

Volltext

Fluxes of nitrous oxide and methane on an abandoned peat extraction site: Effect of reed canary grass cultivation von Hyvönen, N.P., Huttunen, J.T., Shurpali, N.J., Tavi, N.M., Repo, M.E., Martikainen, P.J.

Volltext

Potentials and challenges in lignocellulosic biofuel production technology von Raud, M., Kikas, T., Sippula, O., Shurpali, N.J.

Volltext

CO2 flux determination by closed-chamber methods can be seriously biased by inappropriate application of linear regression von Kutzbach, L., Schneider, Jodi, Sachs, T., Giebels, M., Nykänen, H., Shurpali, N. J., Martikainen, P. J., Alm, J., Wilmking, M.

Volltext

Bare soil and reed canary grass ecosystem respiration in peat extraction sites in Eastern Finland von Shurpali, N. J., Hyvönen, N. P., Huttunen, J. T., Biasi, C., Nykänen, H., Pekkarinen, N., Martikainen, P. J.

Volltext

Emission factors and their uncertainty for the exchange of CO2, CH4 and N2O in Finnish managed peatlands von ALM, Jukka, SHURPALI, Narasinha J, PENTTILÄ, Timo, SAARNIO, Sanna, SILVAN, Niko, TUITTILA, Eeva-Stiina, LAINE, Jukka, MINKKINEN, Kari, ARO, Lasse, HYTÖNEN, Jyrki, LAURILA, Tuomas, LOHILA, Annalea, MALJANEN, Marja, MARTIKAINEN, Pertti J, MAKIRANTA, Päivi

Volltext

Micrometeorological Measurements of Methane Flux in a Minnesota Peatland during Two Growing Seasons von Shurpali, N. J., Verma, S. B.

Volltext

Yield trends, and changes in soil organic-C and available NPK in a long-term rice–wheat system under integrated use of manures and fertilisers von Yadav, R.L, Dwivedi, B.S, Prasad, Kamta, Tomar, O.K, Shurpali, N.J, Pandey, P.S

Volltext

The challenges fraught opportunity of agriculture expansion into boreal and Arctic regions von Klöffel, T., Young, E.H., Borchard, N., Vallotton, J.D., Nurmi, E., Shurpali, N.J., Urbano Tenorio, F., Liu, X., Young, G.H.F., Unc, A.

Volltext

Carbon dioxide exchange of a perennial bioenergy crop cultivation on a mineral soil von Lind, Saara E, Shurpali, Narasinha J, Peltola, Olli, Mammarella, Ivan, Hyvönen, Niina, Maljanen, Marja, Räty, Mari, Virkajärvi, Perttu, Martikainen, Pertti J

Volltext

Carbon dioxide and methane exchange of a perennial grassland on a boreal mineral soil von Lind, S E, Virkajärvi, P, Hyvönen, N P, Maljanen, M, Kivimäenpää, M, Jokinen, S, Antikainen, S, Latva, M, Räty, M, Martikainen, P J, Shurpali, N J

Volltext

Methods for determining emission factors for the use of peat and peatlands : flux measurements and modelling von ALM, Jukka, SHURPALI, Narasinha J, TUITTILA, Eeva-Stiina, LAURILA, Tuomas, MALJANEN, Marja, SAARNIO, Sanna, MINKKINEN, Kari

Volltext

Heterotrophic soil respiration in forestry-drained peatlands von MINKKINEN, Kari, LAINE, Jukka, SHURPALI, Narasinha J, MHKIRANTA, Paivi, ALM, Jukka, PENTTILÄ, Timo

Volltext

Nitrous oxide emissions from perennial grass cropping systems on a boreal mineral soil von Lind, S E, Maljanen, M, Hyvönen, N P, Kutvonen, J, Jokinen, S, Räty, M, Virkajärvi, P, Martikainen, P J, Shurpali, N J

Volltext

The role of drainage ditches in greenhouse gas emissions and surface leaching losses from a cutaway peatland cultivated with a perennial bioenergy crop von HYVÖNEN, Niina P, HUTTUNEN, Jari T, SHURPALI, Narasinha J, LIND, Saara E, MARUSHCHAK, Maija E, HEITTO, Lauri, MARTIKAINEN, Pertti J

Volltext

N2O and NO emissions from poultry litter and urea applications to Bermuda grass von THORNTON, F. C, SHURPALI, N. J, BOCK, B. R, REDDY, K. C

Volltext

Annual CO2 and CH4 fluxes of pristine boreal mires as a background for the lifecycle analyses of peat energy von SAARNIO, Sanna, MORERO, Micaela, SHURPALI, Narasinha J, TUITTILA, Eeva-Stiina, MÄKILÄ, Markku, ALM, Jukka

Volltext

Soil greenhouse gas emissions from afforested organic soil croplands and cutaway peatlands von MHKIRANTA, Päivi, HYTÖNEN, Jyrki, MINKKINEN, Kari, ARO, Lasse, MALJANEN, Marja, PIHLATIE, Mari, POTILA, Hannamaria, SHURPALI, Narasinha J, LAINE, Jukka, LOHILA, Annalea, MARTIKAINEN, Pertti J

Volltext

Surface energy exchange in pristine and managed boreal peatlands von Alekseychik, Pavel, Mammarella, I., Lindroth, A., Lohila, A., Aurela, M., Laurila, T., Kasurinen, V., Lund, M., Rinne, J., Nilsson, M. B., Peichl, M., Minkkinen, K., Shurpali, N. J., Tuittila, E. S., Martikainen, P. J., Tuovinen, J. P., Vesala, T.

Volltext