Výsledky vyhledávání - "L, Klemedtsson"

Akademický článek

Spatial and temporal variation in δ13C values of methane emitted from a hemiboreal mire: methanogenesis, methanotrophy, and hysteresis

Autor: J. Rinne, P. Łakomiec, P. Vestin, J. D. White, P. Weslien, J. Kelly, N. Kljun, L. Ström, L. Klemedtsson

Publikováno v: Biogeosciences, Vol 19, Pp 4331-4349 (2022)

The reasons for spatial and temporal variation in methane emission from mire ecosystems are not fully understood. Stable isotope signatures of the emitted methane can offer clues to the causes of these variations. We measured the methane emission (FC

Externí odkaz: https://doaj.org/article/17c160f291a14a21975d94b39a038ec4

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Akademický článek

CO2 and CH4 exchanges between moist moss tundra and atmosphere on Kapp Linné, Svalbard

Autor: A. Lindroth, N. Pirk, I. S. Jónsdóttir, C. Stiegler, L. Klemedtsson, M. B. Nilsson

Publikováno v: Biogeosciences, Vol 19, Pp 3921-3934 (2022)

We measured CO2 and CH4 fluxes using chambers and eddy covariance (only CO2) from a moist moss tundra in Svalbard. The average net ecosystem exchange (NEE) during the summer (9 June–31 August) was negative (sink), with −0.139 ± 0.032 µmol m−2

Externí odkaz: https://doaj.org/article/2817d9856a514d59ba0e7c9bcd60dc4a

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Akademický článek

Global transpiration data from sap flow measurements: the SAPFLUXNET database

Autor: R. Poyatos, V. Granda, V. Flo, M. A. Adams, B. Adorján, D. Aguadé, M. P. M. Aidar, S. Allen, M. S. Alvarado-Barrientos, K. J. Anderson-Teixeira, L. M. Aparecido, M. A. Arain, I. Aranda, H. Asbjornsen, R. Baxter, E. Beamesderfer, Z. C. Berry, D. Berveiller, B. Blakely, J. Boggs, G. Bohrer, P. V. Bolstad, D. Bonal, R. Bracho, P. Brito, J. Brodeur, F. Casanoves, J. Chave, H. Chen, C. Cisneros, K. Clark, E. Cremonese, H. Dang, J. S. David, T. S. David, N. Delpierre, A. R. Desai, F. C. Do, M. Dohnal, J.-C. Domec, S. Dzikiti, C. Edgar, R. Eichstaedt, T. S. El-Madany, J. Elbers, C. B. Eller, E. S. Euskirchen, B. Ewers, P. Fonti, A. Forner, D. I. Forrester, H. C. Freitas, M. Galvagno, O. Garcia-Tejera, C. P. Ghimire, T. E. Gimeno, J. Grace, A. Granier, A. Griebel, Y. Guangyu, M. B. Gush, P. J. Hanson, N. J. Hasselquist, I. Heinrich, V. Hernandez-Santana, V. Herrmann, T. Hölttä, F. Holwerda, J. Irvine, S. Isarangkool Na Ayutthaya, P. G. Jarvis, H. Jochheim, C. A. Joly, J. Kaplick, H. S. Kim, L. Klemedtsson, H. Kropp, F. Lagergren, P. Lane, P. Lang, A. Lapenas, V. Lechuga, M. Lee, C. Leuschner, J.-M. Limousin, J. C. Linares, M.-L. Linderson, A. Lindroth, P. Llorens, Á. López-Bernal, M. M. Loranty, D. Lüttschwager, C. Macinnis-Ng, I. Maréchaux, T. A. Martin, A. Matheny, N. McDowell, S. McMahon, P. Meir, I. Mészáros, M. Migliavacca, P. Mitchell, M. Mölder, L. Montagnani, G. W. Moore, R. Nakada, F. Niu, R. H. Nolan, R. Norby, K. Novick, W. Oberhuber, N. Obojes, A. C. Oishi, R. S. Oliveira, R. Oren, J.-M. Ourcival, T. Paljakka, O. Perez-Priego, P. L. Peri, R. L. Peters, S. Pfautsch, W. T. Pockman, Y. Preisler, K. Rascher, G. Robinson, H. Rocha, A. Rocheteau, A. Röll, B. H. P. Rosado, L. Rowland, A. V. Rubtsov, S. Sabaté, Y. Salmon, R. L. Salomón, E. Sánchez-Costa, K. V. R. Schäfer, B. Schuldt, A. Shashkin, C. Stahl, M. Stojanović, J. C. Suárez, G. Sun, J. Szatniewska, F. Tatarinov, M. Tesař, F. M. Thomas, P. Tor-ngern, J. Urban, F. Valladares, C. van der Tol, I. van Meerveld, A. Varlagin, H. Voigt, J. Warren, C. Werner, W. Werner, G. Wieser, L. Wingate, S. Wullschleger, K. Yi, R. Zweifel, K. Steppe, M. Mencuccini, J. Martínez-Vilalta

Publikováno v: Earth System Science Data, Vol 13, Pp 2607-2649 (2021)

Plant transpiration links physiological responses of vegetation to water supply and demand with hydrological, energy, and carbon budgets at the land–atmosphere interface. However, despite being the main land evaporative flux at the global scale, tr

Externí odkaz: https://doaj.org/article/c24e67cafe694cb3a5179d458e868fd8

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Akademický článek

Reviews and syntheses: Greenhouse gas exchange data from drained organic forest soils – a review of current approaches and recommendations for future research

Publikováno v: Biogeosciences, Vol 16, Pp 4687-4703 (2019)

Drained organic forest soils in boreal and temperate climate zones are believed to be significant sources of the greenhouse gases (GHGs) carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O), but the annual fluxes are still highly uncertain. Dr

Externí odkaz: https://doaj.org/article/01e3c6406035494b87850b98504f82f7

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Akademický článek

Carbon Dioxide and Methane Flux Response and Recovery From Drought in a Hemiboreal Ombrotrophic Fen

Autor: J. B Keane, S. Toet, P. Ineson, P. Weslien, J. E. Stockdale, L. Klemedtsson

Publikováno v: Frontiers in Earth Science, Vol 8 (2021)

Globally peatlands store 500 Gt carbon (C), with northern blanket bogs accumulating 23 g C m−2 y−1 due to cool wet conditions. As a sink of carbon dioxide (CO2) peat bogs slow anthropogenic climate change, but warming climate increases the likeli

Externí odkaz: https://doaj.org/article/8de39ace886a41ce9ff19f08a395f332

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Akademický článek

Simulating ectomycorrhiza in boreal forests: implementing ectomycorrhizal fungi model MYCOFON in CoupModel (v5)

Autor: H. He, A. Meyer, P.-E. Jansson, M. Svensson, T. Rütting, L. Klemedtsson

Publikováno v: Geoscientific Model Development, Vol 11, Pp 725-751 (2018)

The symbiosis between plants and Ectomycorrhizal fungi (ECM) is shown to considerably influence the carbon (C) and nitrogen (N) fluxes between the soil, rhizosphere, and plants in boreal forest ecosystems. However, ECM are either neglected or pres

Externí odkaz: https://doaj.org/article/1d5c08a2a6ca489eba58f47b31451475

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Akademický článek

Simultaneous quantification of depolymerization and mineralization rates by a novel 15N tracing model

Autor: L. C. Andresen, A.-K. Björsne, S. Bodé, L. Klemedtsson, P. Boeckx, T. Rütting

Publikováno v: SOIL, Vol 2, Iss 3, Pp 433-442 (2016)

The depolymerization of soil organic matter, such as proteins and (oligo-)peptides, into monomers (e.g. amino acids) is currently considered to be the rate-limiting step for nitrogen (N) availability in terrestrial ecosystems. The mineralization of f

Externí odkaz: https://doaj.org/article/b8a46f3266c6422a959e334360d81773

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Akademický článek

Forests on drained agricultural peatland are potentially large sources of greenhouse gases – insights from a full rotation period simulation

Autor: H. He, P.-E. Jansson, M. Svensson, J. Björklund, L. Tarvainen, L. Klemedtsson, Å. Kasimir

Publikováno v: Biogeosciences, Vol 13, Iss 8, Pp 2305-2318 (2016)

The CoupModel was used to simulate a Norway spruce forest on fertile drained peat over 60 years, from planting in 1951 until 2011, describing abiotic, biotic and greenhouse gas (GHG) emissions (CO2 and N2O). By calibrating the model against tree ring

Externí odkaz: https://doaj.org/article/188853a012de4ec0befd3898fabd64f7

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Akademický článek

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Akademický článek

A fertile peatland forest does not constitute a major greenhouse gas sink

Autor: A. Meyer, L. Tarvainen, A. Nousratpour, R. G. Björk, M. Ernfors, A. Grelle, Å Kasimir Klemedtsson, A. Lindroth, M. Räntfors, T. Rütting, G. Wallin, P. Weslien, L. Klemedtsson

Publikováno v: Biogeosciences, Vol 10, Iss 11, Pp 7739-7758 (2013)

Afforestation has been proposed as a strategy to mitigate the often high greenhouse gas (GHG) emissions from agricultural soils with high organic matter content. However, the carbon dioxide (CO2) and nitrous oxide (N2O) fluxes after afforestation can

Externí odkaz: https://doaj.org/article/932de25938a94d0caef2900e9a67ea42

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