J.Oksanen: Publications

2011

• Latitudinal insect body size clines revisited: a critical evaluation of the saw-tooth model. Journal of Animal Ecology 80, 1184-1195. DOI: 10.1111/j.1365-2656.2011.01864.x SM Kivelä, P Välimäki, D Carrasco, MI Mäenpää, JO
• Impact of shrub canopies on understorey vegetation in western Eurasian tundra. Journal of Vegetation Science 22, 837-846. DOI:10.1111/j.1654-1103.2011.01285x AM Pajunen, JO, R Virtanen
• Testing the significance of canonical axes in redundancy analysis. Methods in Ecology and Evolution 2, 269-277. P Legendre, JO, CJF ter Braak
• The stability--diversity relationship in stream macroinvertebrates: influences of sampling effects and habitat complexity. Freshwater Biology 56, 1122-1132. H Mykrä, J Heino, JO, T Muotka
• Methane flux dynamics during mire succession. Oecologia 165, 489-499. M Leppälä, JO, ES Tuittila

2009

• Long- and short-term effects of reindeer grazing on tundra wetland vegetation. Polar Biology 32, 253-261. H Kitti, BC Forbes, JO
• Seasonal clines of evolutionary stable reproductive effort in insects. American Naturalist 174, 526-536. SM Kivelä, P Välimäki, JO, A Kaitala, V Kaitala.

2008

• Divergent timing of egg-laying may maintain life history polymorphism in potentially multivoltine insects in seasonal environments. Journal of Evolutionary Biology 21, 1711-1723. P Välimäki, SM Kivelä, L Jääskeläinen, A Kaitala, V Kaitala & JO.
• Differences in the growth response of three bryophyte species to nitrogen. Environmental Pollution 152, 82-191. M Salemaa, R Mäkipää & JO.
• The value of open power line habitat in conservation of ground beetles (Coleoptera: Carabidae) associated with mires. Journal of Insect Conservation 12, 163-177. A Hollmen, P Välimäki, J Itämies & JO.
• Community and species responses to water level fluctuations with reference to soil layers in different habitats of mid-boreal mire complexes. Plant Ecology 194, 17-36. J Laitinen, S Rehell & JO.

2007

• Vegetation ecology and flooding dynamics of boreal aro wetlands. Annales Botanici Fennici 44, 359-375. Laitinen J, Tahvanainen T, Rehell S & JO.
• Local habitat patch pattern of the Siberian flying squirrel in a managed boreal forest landscape. Ecography 30, 277-287. Hurme E, Reunanen P, Mönkkönen M, Nikula A, Nivala V & JO
• The effects of habitat connectivity on cryptogam richness in boulder metacommunity. Biological Conservation 135, 415-422 . Virtanen, R. & JO.

2006

• Broad-scale vegetation-environment relationships in Eurasian high-latitude areas. Journal of Vegetation Science 17, 519-528. Virtanen, R., JO, Oksanen, L., Razzhivin, V.Yu.
• Changes in the abundance, composition and species richness of mountain vegetation in relation to summer grazing by reindeer. Journal of Vegetation Science 17, 245-254. Eskelinen, A. & JO.

2004

• Root fungus colonization along an altitudinal gradient in North Norway. Arctic. Antarctic and Alpine Research 36, 239-243. A.L.Ruotsalainen, H.Väre, JO & J. Tuomi.
• Palm distribution patterns in Amazonian rainforests: What is thre role of topographic variation. Journal of Vegetation Science 15, 485-494. J. Vormisto, H. Tuomisto & JO.

2003

• Use of sheep grazing in the restoration of semi-natural meadows in northern Finland. Applied Vegetation Science 6, 45-52. K. Hellström, A.P. Huhta, P. Rautio, J. Tuomi, JO & K. Laine.

2002

• Continuum theory revisited: what shape are species responses along ecological gradients? Ecological Modelling 157, 119-129. JO & P.R. Minchin.
• Niche characteristics of Danish woody species as derived from coenoclines. Journal of Vegetation Science 13, 279-290. J.E.Lawesson & JO.

2001

• Pollution-induced community tolerance and functional redundancy in a decomposer food web in metal-stressed soils. Environmental Toxicology and Chemistry 20, 2287-2295. J.Salminen, C.A.M. van Gestel & JO.
• Reindeer reduce the cover of preferred plant species. Journal of Vegetation Science 12, 473-480. K.A.Bråthen & JO.
• Confidence intervals for the optimum in the Gaussian response function. Ecology 82, 1191-1197. JO, Läärä, E., Tolonen, K. & Warner, B.G. -- R-functions in ESA's Electronic Data Archive: Ecological Archives E082-015

2000

• Severe photobiont injuries of lichen are strongly associated with air pollution. New Phytologist 147, 579-590. Tarhanen, S., Poikolainen, J., Holopainen, T. & JO.
• Influence of elevated ozone and limited nitrogen availability on conifer seedlings in an open-air fumigation system: effects on growth, nutrient content, mycorrhiza, needle ultrastructure, starch and secondary compounds. Global Change Biology 6, 345-355. Kainulainen, P., Utriainen, J., Holopainen, J.K., JO & Holopainen, T.

1999

• Membrane permeability response of lichen Bryoria fuscescens to wet deposited heavy metals and acid rain. EnvironmentalPollution 104, 121-129. Tarhanen, S., Metsärinne, S, Holopainen & JO.

1997

• Ultrastructural changes and electrolyte leakage from ozone fumigated epiphytic lichens. Annals of Botany 80, 611-621. Tarhanen S., Holopainen T. & JO.
• Instability of ordination results under changes in input data order: explanations and remedies. Journal of Vegetation Science 8, 447-454. JO & Minchin, P.R. abstract.
• Plant neighbour diversity. Journal of Vegetation Science 8, 255-258. - abstract
• The no-interaction model does not mean that interactions should not be studied. Journal of Ecology 85, 101-102. Extended discussion. - corrigendum
• Why the beta-function cannot be used to estimate skewness of species responses. Journal of Vegetation Science 8, 147-152. abstract - Fitting Huisman-Olff-Fresco models
• Growth and reproduction of aphids and levels of free amino acids in Scots pine and Norway spruce in an open-air fumigation with ozone. Global Change Biology 3, 139-147. Holopainen, J.K., Kainulainen, P. & JO. - abstract

1996

• Effect of industrial emissions on membrane permeability of epiphytic lichens in northern Finland and the Kola Peninsula industrial areas. Water Air and Soil Pollution 88, 189-201. Tarhanen, S., Holopainen, T., Poikolainen, J. & JO
• Is the humped relationship between species richness and biomass an artefact due to plot size? Journal of Ecology 84, 293-295. Model fitting: in JECOL archive; Discussion in this web server.
• Levels of damage of Scots pine and Norway spruce caused by needle miners along a SO2 gradient. Ecography 19, 229-236. JO, Holopainen, J.K., Nerg, A. & Holopainen, T. - abstract
• Effects of ozone and/or nitrogen dioxide fumigations on primary and secondary metabolites of Scots pine seedlings. In: Cox, R, Percy, K., Jensen, K. & Simpson, C. (eds.), Air Pollution and Multiple Stresses. pp. 159-165. Canadian Forest Service - Atlantic Centre. Fredericton, N.B. Kainulainen, P., Holopainen, J.K. & JO.

1995

• The ground beetle fauna (Coleoptera: Carabidae) in relation to soil properties and foliar fluoride content in spring cereals. Pedobiologia 39, 193-206. Holopainen, J.K., Bergman, T., Hautala, E.-L. & JO .
• Effects of SO2 on the concentrations of carbohydrates and secondary compounds in Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) Karst.) seedlings. New Phytologist 130, 231-238. Kainulainen, P., Holopainen, J.K. & JO .
• Lichens are most sensitive. In: Tikkanen, E. & Niemelä, I. (eds.), Kola Peninsula pollutants and forest ecosystems in Lapland. Final Report of The Lapland Forest Damage Project, pp. 39-43. JO, Holopainen, T., Kovanen, T., Kuusinen, M., Mikkola, K., Ohtonen, R., Poikolainen, J., Ritari, A., Sutinen, M.-L., Tarhanen, S. & Väre, H. Online version.
• Effects of reindeer grazing on vegetation in dry Pinus sylvestris forests. Journal of Vegetation Science 6, 523-530. Väre, H., Ohtonen, R. & JO .
• Resource partitioning to growth, storage and defence in nitrogen-fertilized Scots pine and susceptibility of the seedlings to the tarnished plant bug Lygus rugulipennis. New Phytologist 131, 521-532. Holopainen, J.K., Rikala, R., Kainulainen, P. & JO - abstract
• Rate of compositional turnover along gradients and total gradient length. Journal of Vegetation Science 6, 815-824. JO & Tonteri, T. - abstract.
• Arboreal insects as indicators of air pollution effects on woody plants. In: Munawar, M, Hänninen, O., Roy, S., Munawar, L., Kärenlampi, L. & Brown, D. (eds.), Bioindicators of Environmental Health. pp. 83-96. SPB Academic Publishing, Amsterdam. Holopainen, J.K. & JO
• Effects of air pollutants on secondary chemistry of Scots pine and Norway spruce. Water, Air and Soil Pollution 85, 1393-1398. Kainulainen, P., Holopainen, J.K. & JO
• Effects of gaseous air pollutants on aphid performance on Scots pine and Norway spruce seedlings. Water, Air and Soil Pollution 85, 1431-1436. Holopainen, J.K., Kainulainen, P. & JO

1994

• Effect of ozone on the biochemistry and aphid infestation of Scots pine. Phytochemistry 35, 39-42 Kainulainen, P., Holopainen, J.K., Hyttinen, H. & JO.
• Formation of polychlorinated dibenzo-p-dioxins and dibenzofurans in co-combustion of mixed plastics with coal: Exploratory principal components analysis. Chemosphere 28, 1989-1999. Ruuskanen, J., Vartiainen, T., Kojo, I., Manninen, H., JO & Frankenhaeuser, M.

1993

• Conifer aphids in an air-polluted environment. I. Aphid density, growth and accumulation of sulphur and nitrogen by Scots pine and Norway spruce seedlings. Environmental Pollution 80, 185-191. Holopainen, J.K., Mustaniemi, A., Kainulainen, P. & JO
• Conifer aphids in an air-polluted environment. II. Host plant quality. Environmental Pollution 80, 193-200. Kainulainen, P., Satka, H., Mustaniemi, A., Holopainen, J.K. & JO
• Formation of organic chlorinated compounds in incineration of pulp and paper mill biosludges. Chemosphere 27, 1253-1268. Halonen, I., Tarhanen, J., JO, Vilokki, H., Vartiainen, T. & Ruuskanen, J.
• A method for facilitating the use of algae growing on tree trunks as bioindicators of air quality. Environmental Monitoring and Assessment 28, 215-220. Hänninen, O., Ruuskanen, J. & JO

1992

• Effects of deicing salt on visible symptoms, element concentrations and membrane damage in first-year needles of roadside Scots pine (Pinus sylvestris). Annales botanici fennici 29, 179-185. Hautala, E.-L., Wulff, A. & JO
• Reproduction of aphids and spider mites and levels of amino acids in conifer seedlings exposed to ozone. In: Teller, A., Mathy, P. & Jeffers, J.N.R. (eds.), Responses of forest ecosystemst to environmental changes, pp. 965-966. Elsevier, London. Holopainen, J.K., Mustaniemi, A., Kainulainen, P. & JO
• Numbers of grey pine aphid in relation to the composition of resin acids and terpenes of Scots pine needles. In: Teller, A., Mathy, P. & Jeffers, J.N.R. (eds.), Responses of forest ecosystemst to environmental changes, pp. 967-968. Elsevier, London. Holopainen, J.K., Satka, H., Kainulainen, P., Kinnunen, H., Mustaniemi, A. & JO
• The role of air pollutants in outbreaks of aphids on conifers. In: Tesche, M. & Feiler, S. (eds). Air Pollution and Interactions between Organisms in Forest Ecosystems, pp. 276-280. Technische Universität Dresden. Holopainen, J.K., Kainulainen, P. & JO .
• Kaarnajäkälien kalvonvuototestit ja hienorakenne Kuolan päästöjen vaikutusten kuvaajina. (The membrane permeability tests and cell ultrastructure of epiphytic lichens as indicators of the effects of the Kola emissions.) The Finnish Forest Research Institute, Research Papers 413, 115-127. Tarhanen, S., JO & Holopainen, T.
• Effect of drought and waterlogging stress on needle monoterpenes of Picea abies. Canadian Journal of Botany 70, 1613-1616. Kainulainen, P., JO, Palomäki, V., Holopainen, J.K. & Holopainen, T.

1991

• Effects of exposure to fluoride, nitrogen compounds and SO2 on the numbers of spruce shoot aphids on Norway spruce seedlings. Oecologia 86, 51-56. Holopainen, J.K., Kainulainen, E., JO, Wulff, A. & Kärenlampi, L.
• Statistical analysis of bioindicator value of epiphytic lichens. Lichenologist 23, 167-180. JO , Läärä, E. & Zobel, K.
• Comparison of radioimmunoassay and capillary gas chromatography in the analysis of L-hyoscyamine from plant material. Phytochemical Analysis 2, 163-166. Martinsen, A., Naaranlahti, T., Turkia, M.L., Lehtola, T., JO & Ylinen, M.

see my older publications