Zobrazeno 1 - 10 of 16 pro vyhledávání: '"Boris Ťupek"'
2
Scots pine and Norway spruce foliage biomass in Finland and Sweden — testing traditional models vs. the pipe model theory
Autor: Annikki Mäkelä, Boris Ťupek, Eero Liski, Hans Petersson, Aleksi Lehtonen, Juha Heikkinen
Publikováno v: Canadian Journal of Forest Research. 50:146-154
The pipe model approach was compared with foliage biomass models by using the cross-sectional area at the tree crown base for predicting foliage biomass of Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) Karst.). We evaluated the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd114666ef1f62eddfe8aac1237af725
https://doi.org/10.1139/cjfr-2019-0211
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3
Heterotrophic and rhizospheric respiration in coniferous forest soils along a latitudinal gradient
Autor: Mari Mäki, Kira Ryhti, Istem Fer, Boris Ťupek, Patrik Vestin, Marilyn Roland, Irene Lehner, Egle Köster, Aleksi Lehtonen, Jaana Bäck, Jussi Heinonsalo, Jukka Pumpanen, Liisa Kulmala
Publikováno v: Agricultural and forest meteorology
Publisher Copyright: © 2022 Northern forest soils are a major carbon (C) reservoir of global importance. To estimate how the C balance in these soils will change, the roles of tree roots and soil microbes in C balance should first be decoupled. This
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::914a8dddef3ebec2212eb26f64e68205
https://hdl.handle.net/10067/1896910151162165141
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5
Simulation modelling of greenhouse gas balance in continuous-cover forestry of Norway spruce stands on nutrient-rich drained peatlands
Autor: Aleksi Lehtonen, Annamari Laurén, Raisa Mäkipää, Anssi Ahtikoski, Timo Penttilä, Vladimir Shanin, Artti Juutinen, Raija Laiho, Sakari Sarkkola, Oleg Chertov, Mika Nieminen, Boris Ťupek, Pavel Frolov, Päivi Mäkiranta, Janne Rämö
Publikováno v: Forest Ecology and Management. 496:119479
We used a simulation model to analyse the effect of continuous-cover forestry on the carbon dioxide (CO2) and methane (CH4) emissions from nutrient-rich drained peatland sites in southern Finland. The simulation scenarios were constructed by varying
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::921cc084dc4d4f4e93417ee5bffacddf
https://doi.org/10.1016/j.foreco.2021.119479
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6
Methane Emissions from Paludified Boreal Soils in European Russia as Measured and Modelled
Autor: Maria Lukasheva, Vasiliy Gudyrev, Boris Ťupek, Hermann F. Jungkunst, Julia Schneider, Mikhail Miglovets
Publikováno v: Ecosystems. 21:827-838
Spatial or temporal forest–peatland transition zones were proposed as potential hot spots of methane (CH4) emissions. Consequently, paludified soils are an important component of boreal landscape biogeochemistry. However, their role in the regional
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::16edc1dd0256f57cf9c9059ce3e0f066
https://doi.org/10.1007/s10021-017-0188-y
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7
Data-mining analysis of the global distribution of soil carbon in observational databases and Earth system models
Autor: Kazuki Nanko, Shoji Hashimoto, Aleksi Lehtonen, Boris Ťupek
Publikováno v: Geoscientific Model Development, Vol 10, Iss 3, Pp 1321-1337 (2017)
Future climate change will dramatically change the carbon balance in the soil, and this change will affect the terrestrial carbon stock and the climate itself. Earth system models (ESMs) are used to understand the current climate and to project futur
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::752f4385191eaa5e12e330b1f333eb43
https://doi.org/10.5194/gmd-10-1321-2017
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9
Evaluating CENTURY and Yasso soil carbon models for CO2 emissions and organic carbon stocks of boreal forest soil with Bayesian multi-model inference
Autor: Risto Sievänen, Jari Perttunen, Antti-Jussi Lindroos, Liisa Kulmala, Timo Penttilä, Samuli Launiainen, Shoji Hashimoto, Aleksi Lehtonen, Mikko Peltoniemi, Boris Ťupek
We can curb climate change by improved management decisions for the most important terrestrial carbon pool, soil organic carbon stock (SOC). However, we need to be confident we can obtain the correct representation of the simultanous effect of the in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4f065767be83e645e52dc9ed96ef3ea
http://hdl.handle.net/10138/313455
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10
Underestimation of boreal soil carbon stocks by mathematical soil carbon models linked to soil nutrient status
Autor: Boris Ťupek, Erik Karltun, Shoji Hashimoto, Aleksi Lehtonen, Carina A. Ortiz, Johan Stendahl, Jonas Dahlgren
Publikováno v: Biogeosciences, Vol 13, Iss 15, Pp 4439-4459 (2016)
Inaccurate estimate of the largest terrestrial carbon pool, soil organic carbon (SOC) stock, is the major source of uncertainty in simulating feedback of climate warming on ecosystem–atmosphere carbon dioxide exchange by process-based ecosystem and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56f13ca8d547fb82b25b40668b546413
https://www.biogeosciences.net/13/4439/2016/
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