Search Results - "Makipaa, R"

Could continuous cover forestry be an economically and environmentally feasible management option on drained boreal peatlands? by Nieminen, M., Hökkä, H., Laiho, R., Juutinen, A., Ahtikoski, A., Pearson, M., Kojola, S., Sarkkola, S., Launiainen, S., Valkonen, S., Penttilä, T., Lohila, A., Saarinen, M., Haahti, K., Mäkipää, R., Miettinen, J., Ollikainen, M.

“…•Potential for continuous cover forestry (CCF) on drained peatlands was reviewed.•CCF could be a socio-economically feasible alternative to even-aged…”
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We need targeted policy interventions in the EU to save soil carbon by Mäkipää, R., Bruun, O., Lehtonen, A., Peltoniemi, M., Kulovesi, K.

“…Globally, annual emissions from managed organic soils accounts for up to 5% of all anthropogenic greenhouse gas (GHG) emissions. Climate-wise management and…”
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Simulation modelling of greenhouse gas balance in continuous-cover forestry of Norway spruce stands on nutrient-rich drained peatlands by Shanin, V., Juutinen, A., Ahtikoski, A., Frolov, P., Chertov, O., Rämö, J., Lehtonen, A., Laiho, R., Mäkiranta, P., Nieminen, M., Laurén, A., Sarkkola, S., Penttilä, T., Ťupek, B., Mäkipää, R.

“…•The carbon balance in drained peatlands at continuous-cover forestry was analyzed.•We simulated the effects of harvesting intensity and water table level…”
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Carbon and nitrogen acquisition strategies by wood decay fungi influence their isotopic signatures in Picea abies forests by Hobbie, E.A., Rinne-Garmston (Rinne), K.T., Penttilä, R., Vadeboncoeur, M.A., Chen, J., Mäkipää, R.

“…We examined whether sporocarp carbon and nitrogen isotope ratios (δ13C and δ15N values) reflected different functional strategies in 15 species of wood decay…”
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Predicting biomass of bilberry (Vaccinium myrtillus) using rank distribution and root-to-shoot ratio models by Frolov, P., Shanin, V., Zubkova, E., Salemaa, M., Mäkipää, R., Grabarnik, P.

“…Investigation of relationships between biomass of different plant compartments is important because their varying turnover rates affect the amount and…”
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Technical Note: Multispectral lidar time series of pine canopy chlorophyll content by Hakala, T, Nevalainen, O, Kaasalainen, S, Mäkipää, R

“…We present an empirical application of multispectral laser scanning for monitoring the seasonal and spatial changes in pine chlorophyll (a + b) content and…”
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Biomass expansion factors (BEFs) for Scots pine, Norway spruce and birch according to stand age for boreal forests by Lehtonen, A, Mäkipää, R, Heikkinen, J, Sievänen, R, Liski, J

“…Assessments of forest resource in national inventories provide a firm basis for quantifying forest biomass and carbon stock. National statistics on forest…”
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Strategies of carbon and nitrogen acquisition by saprotrophic and ectomycorrhizal fungi in Finnish boreal Picea abies-dominated forests by Chen, J., Heikkinen, J., Hobbie, E.A., Rinne-Garmston, K.T., Penttilä, R., Mäkipää, R.

“…We compared the δ13C and δ15N of forest material with an extensive sporocarp collection to elucidate the role of litter, wood and soil as fungal carbon and…”
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Indirect methods of large-scale forest biomass estimation by Somogyi, Z, Cienciala, E, Mäkipää, R, Muukkonen, P, Lehtonen, A, Weiss, P

“…Forest biomass and its change over time have been measured at both local and large scales, an example for the latter being forest greenhouse gas inventories…”
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Modelling fine root biomass of boreal tree stands using site and stand variables by Lehtonen, A., Palviainen, M., Ojanen, P., Kalliokoski, T., Nöjd, P., Kukkola, M., Penttilä, T., Mäkipää, R., Leppälammi-Kujansuu, J., Helmisaari, H.-S.

“…•Fine roots are different on drained peatlands compared to those on upland soils.•Nutrient poor soils in north have 5 times more fine roots per basal area than…”
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Hotspots of the European forests carbon cycle by Nabuurs, G.J., Thürig, E., Heidema, N., Armolaitis, K., Biber, P., Cienciala, E., Kaufmann, E., Mäkipää, R., Nilsen, P., Petritsch, R., Pristova, T., Rock, J., Schelhaas, M.J., Sievanen, R., Somogyi, Z., Vallet, P.

“…This paper is the outcome of a group discussion held at the Savonlinna meeting ‘Management of forest ecosystems and its impact on the GHG budget’. The aim of…”
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Soil carbon stock increases in the organic layer of boreal middle-aged stands by Häkkinen, M., Heikkinen, J., Mäkipää, R.

“…Changes in the soil carbon stock can potentially have a large influence on global carbon balance between terrestrial ecosystems and atmosphere. Since carbon…”
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Uncertainty of forest carbon stock changes - implications to the total uncertainty of GHG inventory of Finland by Monni, S, Peltoniemi, M, Palosuo, T, Lehtonen, A, Mäkipää, R, Savolainen, I

“…Uncertainty analysis facilitates identification of the most important categories affecting greenhouse gas (GHG) inventory uncertainty and helps in…”
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Differences in the growth response of three bryophyte species to nitrogen by Salemaa, Maija, Mäkipää, Raisa, Oksanen, Jari

“…The effect of nitrogen on biomass production, shoot elongation and relative density of the mosses Pleurozium schreberi, Hylocomium splendens and Dicranum…”
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Stem biomass and volume models of selected tropical tree species in West Africa by Guendehou, GHS, Lehtonen, A, Moudachirou, M, Mäkipää, R, Sinsin, B

“…Estimating tree volume and biomass constitutes an essential part of the forest resources assessment and the evaluation of the climate change mitigation…”
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Changes in soil carbon with stand age - an evaluation of a modelling method with empirical data by Peltoniemi, M, Makipaa, R, Liski, J, Tamminen, P

“…Forest soils store a substantial amount of carbon, often more than the forest vegetation does. Estimates of the amount of soil carbon, and in particular…”
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Factors affecting the uncertainty of sinks and stocks of carbon in Finnish forests soils and vegetation by Peltoniemi, Mikko, Palosuo, Taru, Monni, Suvi, Mäkipää, Raisa

“…Monitoring and transparent reporting of forest carbon sinks are currently needed under the Climate Convention. From 2005 onwards, national GHG inventories…”
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Response patterns of Vaccinium myrtillus and V. vitis-idaea along nutrient gradients in boreal forest by Makipaa, R

“…The relationships between biomass of dwarf shrub species and nutrient gradients of forest soils was studied under field conditions in boreal forests. The…”
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Large-scale changes in abundance of terricolous bryophytes and macrolichens in Finland by Mäkipää, Raisa, Heikkinen, Juha

“… Major changes in forest floor vegetation were identified on the basis of three nationwide surveys conducted as part of national forest inventories in…”
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Sensitivity of forest-floor mosses in boreal forests to nitrogen and sulphur deposition by Makipaa, R

“…The response of forest-floor mosses to deposition of nitrogen (N) and sulphur (S) was examined in field conditions in a 60-year-old Norway spruce (Picea abies…”
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