Search Results - "Manninen, Sirkku"

A review of ozone responses in Scots pine (Pinus sylvestris) by Huttunen, Satu, Manninen, Sirkku

“…► Under chronic ozone exposure, Scots pine seedlings seem to invest resources on current-year needles to support photosynthesis. ► Young Scots pines also seem…”
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Deriving nitrogen critical levels and loads based on the responses of acidophytic lichen communities on boreal urban Pinus sylvestris trunks by Manninen, Sirkku

“…•I determined impact of urban air pollution on epiphytic lichens growing on conifer bark.•Road traffic-derived N deposition reduced acidophyte…”
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Fluxes of N2O, CH4 and CO2 in a meadow ecosystem exposed to elevated ozone and carbon dioxide for three years by Kanerva, T, Regina, K, Rämö, K, Ojanperä, K, Manninen, S

“…Open-top chambers (OTCs) were used to evaluate the effects of moderately elevated O3 (40-50 ppb) and CO2 (+100 ppm) and their combination on N2O, CH4 and CO2…”
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3-year exposure to CO2 and O3 induced minor changes in soil N cycling in a meadow ecosystem by Kanerva, T, Palojarvi, A, Ramo, K, Ojanpera, K, Esala, M, Manninen, S

“…We investigated the individual and interactive effects of moderately elevated CO₂ (ambient air + 100 ppm) and/or O₃ (40-50 ppb) on soil N cycling and microbial…”
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Effect of 3 years' free-air exposure to elevated ozone on mature Norway spruce ( Picea abies (L.) Karst.) needle epicuticular wax physicochemical characteristics by Percy, Kevin E., Manninen, Sirkku, Häberle, Karl-Heinz, Heerdt, C., Werner, H., Henderson, Gary W., Matyssek, Rainer

“…We examined the effect of ozone (O 3) on Norway spruce ( Picea abies) needle epicuticular wax over three seasons at the Kranzberg Ozone Fumigation Experiment…”
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Ozone and water deficit reduced growth of Aleppo pine seedlings by Le Thiec, Didier, Manninen, Sirkku

“…The effects of ambient and elevated ozone (O 3) levels on photosynthesis, growth, pigment, biomass and element contents of Aleppo pine ( Pinus halepensis…”
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NH3 concentrations below the current critical level affect the epiphytic macrolichen communities – Evidence from a Northern European City by Manninen, Sirkku, Jääskeläinen, Kimmo, Stephens, Amy, Iwanicka, Agata, Tang, Sim, van Dijk, Netty

“…Acidophytic, oligotrophic lichens on tree trunks are widely considered to be the most sensitive biota to elevated concentrations of atmospheric ammonia (NH3)…”
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Foliar stable isotope ratios of carbon and nitrogen in boreal forest plants exposed to long-term pollution from the nickel-copper smelter at Monchegorsk, Russia by Manninen, Sirkku, Zverev, Vitali, Kozlov, Mikhail V.

“…Long-term exposure to primary air pollutants, such as sulphur dioxide (SO 2 ) and nitrogen oxides (NO x ), alters the structure and functions of forest…”
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Urbanization-related changes in European aspen ( Populus tremula L.): Leaf traits and litter decomposition by Nikula, Suvi, Vapaavuori, Elina, Manninen, Sirkku

“…We investigated foliar and litter responses of European aspen ( Populus tremula L.) to urbanization, including factors such as increased temperature, moisture…”
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Forest mosses sensitively indicate nitrogen deposition in boreal background areas by Salemaa, Maija, Kieloaho, Antti-Jussi, Lindroos, Antti-Jussi, Merilä, Päivi, Poikolainen, Jarmo, Manninen, Sirkku

“…Mosses take up nitrogen (N) mainly from precipitation through their surfaces, which makes them competent bioindicators of N deposition. We found positive…”
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A review of ozone responses in Scots pine (Pinus sylvestris): Boreal vegetation under air pollution stress by HUTTUNEN, Satu, MANNINEN, Sirkku

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Consequences of long-term severe industrial pollution for aboveground carbon and nitrogen pools in northern taiga forests at local and regional scales by Manninen, Sirkku, Zverev, Vitali, Bergman, Igor, Kozlov, Mikhail V.

“…Boreal coniferous forests act as an important sink for atmospheric carbon dioxide. The overall tree carbon (C) sink in the forests of Europe has increased…”
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Observed and Modeled Black Carbon Deposition and Sources in the Western Russian Arctic 1800–2014 by Ruppel, Meri M, Eckhardt, Sabine, Pesonen, Antto, Mizohata, Kenichiro, Oinonen, Markku J, Stohl, Andreas, Andersson, August, Jones, Vivienne, Manninen, Sirkku, Gustafsson, Örjan

“…Black carbon (BC) particles contribute to climate warming by heating the atmosphere and reducing the albedo of snow/ice surfaces. The available Arctic BC…”
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NH 3 concentrations below the current critical level affect the epiphytic macrolichen communities - Evidence from a Northern European City by Manninen, Sirkku, Jääskeläinen, Kimmo, Stephens, Amy, Iwanicka, Agata, Tang, Sim, van Dijk, Netty

“…Acidophytic, oligotrophic lichens on tree trunks are widely considered to be the most sensitive biota to elevated concentrations of atmospheric ammonia (NH )…”
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Changes in soil microbial community structure under elevated tropospheric O3 and CO2 by Kanerva, Teri, Palojärvi, Ansa, Rämö, Kaisa, Manninen, Sirkku

“…We studied the effects of O3 and CO2 alone and in combination on soil microbial communities by assessing the changes in total PLFA biomass, profiles and…”
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Boreal vegetation under air pollution stress – Atmosphere–vegetation interactions by Manninen, Sirkku, Bäck, Jaana, Rautio, Pasi

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Boreal vegetation under air pollution stress by MANNINEN, Sirkku, BÄCK, Jaana, RAUTIO, Pasi

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Do contemporary (1980–2015) emissions determine the elemental carbon deposition trend at Holtedahlfonna glacier, Svalbard? by Ruppel, Meri M, Soares, Joana, Gallet, Jean-Charles, Isaksson, Elisabeth, Martma, Tonu, Svensson, Jonas, Kohler, Jack, Pedersen, Christina A, Manninen, Sirkku, Korhola, Atte, Strom, Johan

“…The climate impact of black carbon (BC) is notably amplified in the Arctic by its deposition, which causes albedo decrease and subsequent earlier snow and ice…”
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Growth, leaf traits and litter decomposition of roadside hybrid aspen ( Populus tremula L. × P. tremuloides Michx.) clones by Nikula, Suvi, Manninen, Sirkku, Vapaavuori, Elina, Pulkkinen, Pertti

“…Road traffic contributes considerably to ground-level air pollution and is therefore likely to affect roadside ecosystems. Differences in growth and leaf…”
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Plant and soil microbial biomasses in Agrostis capillaris and Lathyrus pratensis monocultures exposed to elevated O3 and CO2 for three growing seasons by MANNINEN, Sirkku, AALTONEN, Hermanni, KANERVA, Teri, RÄMÖ, Kaisa, PALOJÄRVI, Ansa

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