Om du gjort några ändringar i Pure kommer de visas här snart.

Publikationer 1983 2019

Filter
Artikel
2019

Influence of long term nitrogen limitation on lipid, protein and pigment production of Euglena gracilis in photoheterotrophic cultures

Tossavainen, M., Ilyass, U., Ollilainen, V., Valkonen, K., Ojala, A. & Romantschuk, M., 1 apr 2019, I : PeerJ. 7, 19 s., 6624.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil
Öppen tillgång
Fil

Rotifer communities under variable predation-turbulence combinations

Horppila, J., Härkönen, L., Hellén, N., Estlander, S., Pekcan-Hekim, Z. & Ojala, A., feb 2019, I : Hydrobiologia. 828, 1, s. 339-351 13 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil
2018

Conversion of biowaste leachate to valuable biomass and lipids in mixed cultures of Euglena gracilis and chlorophytes

Tossavainen, M., Katyal, N., Silja, K., Valkonen, K., Sharma, A. K., Sharma, S., Ojala, A. & Romantschuk, M., nov 2018, I : Algal Research. 35, s. 76-84 9 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil

Effects of Climate Change on CO2 Concentration and Efflux in a Humic Boreal Lake: A Modeling Study

Kiuru, P., Ojala, A., Mammarella, I., Heiskanen, J., Kämäräinen, M., Vesala, T. & Huttula, T., jul 2018, I : Journal of Geophysical Research : Biogeosciences. 123, 7, s. 2212-2233 22 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Effects of similar weather patterns on the thermal stratification, mixing regimes and hypolimnetic oxygen depletion in two boreal lakes with different water transparency

Mammarella, I., Gavrylenko, G., Zdorovennova, G., Ojala, A., Erkkilä, K-M., Zdorovennov, R., Stepanyuk, O., Palshin, N., Terzhevik, A., Vesala, T. & Heiskanen, J., aug 2018, I : Boreal Environment Research. 23, s. 237-247 11 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil

High-frequency productivity estimates for a lake from free-water CO2 concentration measurements

Provenzale, M., Ojala, A., Heiskanen, J., Erkkila, K-M., Mammarella, I., Hari, P. & Vesala, T., 9 apr 2018, I : Biogeosciences. 15, 7, s. 2021-2032 12 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil

Methane and carbon dioxide fluxes over a lake: comparison between eddy covariance, floating chambers and boundary layer method

Erkkilä, K-M., Ojala, A., Bastviken, D., Biermann, T., Heiskanen, J. J., Lindroth, A., Peltola, O., Rantakari, M., Vesala, T. & Mammarella, I., 19 jan 2018, I : Biogeosciences. 15, 2, s. 429-445 17 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil
2017

Culturing of Selenastrum on diluted composting fluids; conversion of waste to valuable algal biomass in presence of bacteria

Tossavainen, M., Nykänen, A., Valkonen, K. S., Ojala, A., Silja, K. & Romantschuk, M., aug 2017, I : Bioresource Technology. 238, s. 205-213 9 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil

Iron and pH regulating the photochemical mineralization of dissolved organic carbon

Gu, Y., Lensu, A., Perämäki, S., Ojala, A. K. & Vähätalo, A. V., maj 2017, I : ACS Omega. 2, s. 1905-1914

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil

Methylophilaceae and Hyphomicrobium as target taxonomic groups in monitoring the function of methanol-fed denitrification biofilters in municipal wastewater treatment plants

Rissanen, A. J., Ojala, A., Fred, T., Toivonen, J. & Tiirola, M., jan 2017, I : Journal of Industrial Microbiology and Biotechnology. 44, 1, s. 35-47 13 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Seasonal variation in nutrient removal efficiency of a boreal wetland detected by high-frequency on-line monitoring

Valkama, P., Mäkinen, E., Ojala, A., Vahtera, H., Lahti, K., Rantakokko, K., Vasander, H., Nikinmaa, E. & Wahlroos, O., jan 2017, I : Ecological Engineering. 98, s. 307-317 11 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

LAKE 2.0: A model for temperature, methane, carbon dioxide and oxygen dynamics in lakes

Stepanenko, V., Mammarella, I., Ojala, A. K., Miettinen, H. M., Lykosov, V. N. & Vesala, T. V., 2016, I : Geoscientific Model Development. 9, 5, s. 1977-2006 30 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil

Methylophaga and Hyphomicrobium can be used as target genera in monitoring saline water methanol-utilizing denitrification

Rissanen, A. J., Ojala, A., Dernjatin, M., Jaakkola, J. & Tiirola, M., dec 2016, I : Journal of Industrial Microbiology and Biotechnology. 43, 12, s. 1647-1657 11 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Modeling nonlinear responses of DOC transport in boreal catchments in Sweden

Kasurinen, V., Alfredsen, K., Ojala, A., Pumpanen, J., Weyhenmeyer, G. A., Futter, M. N., Laudon, H. & Berninger, F., jul 2016, I : Water Resources Research. 52, 7, s. 4970-4989 20 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Nostetta suomalaiseen vesitutkimukseen

Ojala, A. K., dec 2016, I : energiaopas.net. s. 6 1 s.

Forskningsoutput: TidskriftsbidragArtikelAllmänheten

Real-time detection of arsenic cations from ambient air in boreal forest and lake environments

Faust, J. A., Junninen, H., Ehn, M., Chen, X., Ruusuvuori, K., Kieloaho, A-J., Bäck, J., Ojala, A., Jokinen, T., Worsnop, D. R., Kulmala, M. & Petäjä, T., feb 2016, I : Environmental Science & Technology Letters. 3, 2, s. 42-46 5 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

2015

A process-based model for simulation of lake DIC and oxygen

Kiuru, P., Ojala, A. K., Mammarella, I. & Huttula, T., 2015, (Insänt) I : Boreal Environment Research.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Concentrations and quality of DOC along the terrestrial-aquatic continuum in a boreal forested catchment

Rasilo, T., Ojala, A., Huotari, J., Starr, M. & Pumpanen, J., 2015, I : Freshwater Science. 34, 2, s. 440-455 16 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Effects of water clarity on lake stratification and lake-atmosphere heat exchange

Heiskanen, J. J., Mammarella, I., Ojala, A., Stepanenko, V., Erkkila, K-M., Miettinen, H., Sandström, H., Eugster, W., Lepparanta, M., Jarvinen, H., Vesala, T. & Nordbo, A., 16 aug 2015, I : Journal of Geophysical Research : Atmospheres. 120, 15, s. 7412-7428 17 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Urban wetland parks in Finland: improving water quality and creating endangered habitats

Wahlroos, O. M., Valkama, P., Mäkinen, E., Ojala, A., Vasander, H., Väänänen, V-M., Halonen, A., Linden, L., Nummi, P., Ahponen, H., Lahti, K., Vessman, T., Rantakokko, K. & Nikinmaa, E., 2015, I : International Journal of Biodiversity Science, Ecosystem Services & Management. 11, 1, s. 46-60 15 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil
2014

Combined Effects of Turbulence and Different Predation Regimes on Zooplankton in Highly Colored Water-Implications for Environmental Change in Lakes

Härkönen, L., Pekcan-Hekim, Z., Hellen, N., Ojala, A. & Horppila, J., 2014, I : PLoS One. 9, 11, 13 s., 111942.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil

Effects of cooling and internal wave motions on gas transfer coefficients in a boreal lake

Heiskanen, J. J., Mammarella, I., Haapanala, S., Pumpanen, J., Vesala, T., Macintyre, S. & Ojala, A., 2014, I : Tellus. Series B: Chemical and Physical Meteorology. 66, 16 s., 22827.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil

Increasing precipitation enhances the riverine transport of carbon but decreases the proportion of inorganic carbon

Rantakari, M. M., Kortelainen, P., Räike, A. & Ojala, A., 2014, (Insänt) I : Ecosystems.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

2013

Changes in phytoplankton in a boreal lake during a 14-year period

Peltomaa, E., Ojala, A., Holopainen, A-L. & Salonen, K., 27 sep 2013, I : Boreal Environment Research. 18, 5, s. 387-400 14 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil

Concentrations of CO2 and CH4 in water columns of two stratified boreal lakes during a year of atypical summer precipitation

López Bellido, J., Tulonen, T., Paula, K. & Ojala, A., 2013, I : Biogeochemistry. 113, 1-3, s. 613-627 15 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Contrasting CO2 concentration discharge dynamics in headwater streams: a multi-catchment comparison

Dinsmore, K. J., Wallin, M. B., Johnson, M. S., Billett, M. F., Bishop, K., Pumpanen, J. & Ojala, A., 2013, I : Journal of Geophysical Research : Biogeosciences. 118, 2, s. 445-461 17 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Efficient gas exchange between a boreal river and the atmosphere

Huotari, J., Haapanala, S., Pumpanen, J., Vesala, T. & Ojala, A., 2013, I : Geophysical Research Letters. 40, 21, s. 5683-5686 4 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Fatty acid composition as biomarkers of freshwater microalgae: analysis of 37 strains of microalgae in 22 genera and in seven classes

Taipale, S., Strandberg, U., Peltomaa, E., Galloway, A. W. E., Ojala, A. & Brett, M. T., 16 dec 2013, I : Aquatic Microbial Ecology. 71, 2, s. 165-178 14 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Interlake variation and environmental controls of denitrification across different geographical scales

Rissanen, A., Tiirola, M., Hietanen, S. & Ojala, A., 3 apr 2013, I : Aquatic Microbial Ecology. 69, 1, s. 1-16 16 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Lake-size dependent physical forcing drives carbon dioxide and methane effluxes from lakes in a boreal landscape

Kankaala, P., Huotari, J., Tulonen, T. & Ojala, A., 2013, I : Limnology and Oceanography. 58, 6, s. 1915-1930 16 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Production of different pelagic energy mobilisers in boreal lakes varies in relation to morphometry and concentration of dissolved organic carbon

Kankaala, P., López Bellido, J., Ojala, A., Tulonen, T. & Jones, R. I., 2013, I : Ecosystems. 16, 6, s. 1152-1164 12 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Variable production by different pelagic energy mobilizers in boreal lakes

Kankaala, P., López Bellido, J., Ojala, A., Tulonen, T. & Jones, R. I., 2013, I : Ecosystems. 16, 6, s. 1152-1164 13 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Weak response of the microbial food web of a boreal humic lake to hypolimnetic anoxia

Peltomaa, E., Zingel, P. & Ojala, A., 2013, I : Aquatic Microbial Ecology. 68, 2, s. 91-105 15 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

2012

Meteorological drivers of the dynamics of autotrophic picoplankton

Peltomaa, E. & Ojala, A., maj 2012, I : Freshwater Biology. 57, 5, s. 1005-1016 12 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Rain-induced changes in CO2 concentrations in the soil-lake-brook continuum of a boreal forested catchment

Rasilo, T., Ojala, A., Huotari, J. & Pumpanen, J., 2012, I : Vadose Zone Journal. 11, 2, 14 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Response of a microbial food web to prolonged seasonal hypoxia in a boreal lake

Brek-Laitinen, G., López Bellido, J. & Ojala, A., 4 jan 2012, I : Aquatic Biology. 14, 2, s. 105-120 16 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Öppen tillgång
Fil
2011

An urban boreal lake basin as a source of CO2 and CH4

López Bellido, J., Peltomaa, E. & Ojala, A., 2011, I : Environmental Pollution. 159, 6, s. 1649-1659 11 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Carbon pools and fluxes in a chain of five boreal lakes: A dry and wet year comparison

Einola, E., Rantakari, M. M., Kankaala, P., Kortelainen, P., Ojala, A., Pajunen, H., Mäkelä, S. & Arvola, L., jul 2011, I : Journal of Geophysical Research : Biogeosciences. 116, G03009, s. 1-13 13 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Grazing of heterotrophic nanoflagellates on the eukaryotic picoautotroph Choricystis sp.

Brek-Laitinen, G. & Ojala, A., 2011, I : Aquatic Microbial Ecology. 62, 1, s. 49-59 11 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Long-term direct CO2 flux measurements over a boreal lake: Five years of eddy covariance data

Huotari, J., Ojala, A., Peltomaa, E., Nordbo, A., Launiainen, S., Pumpanen, J., Rasilo, T., Hari, P. & Vesala, T., 2011, I : Geophysical Research Letters. 38, s. L18401 5 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Long-term energy flux measurements and energy balance over a small boreal lake using eddy covariance technique

Nordbo, A., Launiainen, S., Mammarella, I., Leppäranta, M., Huotari, J., Ojala, A. & Vesala, T., 2011, I : Journal of Geophysical Research : Atmospheres. 116, s. 1-17 17 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Spatial and temporal variation in denitrification and in the denitrifier community in a boreal lake

Rissanen, A., Tiirola, M. & Ojala, A., 2011, I : Aquatic Microbial Ecology. 64, 1, s. 27-40 14 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review