Zobrazeno 1 - 10
of 380
pro vyhledávání: '"J. Siemens"'
Autor:
C. R. Flechard, A. Ibrom, U. M. Skiba, W. de Vries, M. van Oijen, D. R. Cameron, N. B. Dise, J. F. J. Korhonen, N. Buchmann, A. Legout, D. Simpson, M. J. Sanz, M. Aubinet, D. Loustau, L. Montagnani, J. Neirynck, I. A. Janssens, M. Pihlatie, R. Kiese, J. Siemens, A.-J. Francez, J. Augustin, A. Varlagin, J. Olejnik, R. Juszczak, M. Aurela, D. Berveiller, B. H. Chojnicki, U. Dämmgen, N. Delpierre, V. Djuricic, J. Drewer, E. Dufrêne, W. Eugster, Y. Fauvel, D. Fowler, A. Frumau, A. Granier, P. Gross, Y. Hamon, C. Helfter, A. Hensen, L. Horváth, B. Kitzler, B. Kruijt, W. L. Kutsch, R. Lobo-do-Vale, A. Lohila, B. Longdoz, M. V. Marek, G. Matteucci, M. Mitosinkova, V. Moreaux, A. Neftel, J.-M. Ourcival, K. Pilegaard, G. Pita, F. Sanz, J. K. Schjoerring, M.-T. Sebastià, Y. S. Tang, H. Uggerud, M. Urbaniak, N. van Dijk, T. Vesala, S. Vidic, C. Vincke, T. Weidinger, S. Zechmeister-Boltenstern, K. Butterbach-Bahl, E. Nemitz, M. A. Sutton
Publikováno v:
Biogeosciences, Vol 17, Pp 1583-1620 (2020)
The impact of atmospheric reactive nitrogen (Nr) deposition on carbon (C) sequestration in soils and biomass of unfertilized, natural, semi-natural and forest ecosystems has been much debated. Many previous results of this dC∕dN response were based
Externí odkaz:
https://doaj.org/article/22db95525cf24bd990089ab50a71d64e
Autor:
C. R. Flechard, M. van Oijen, D. R. Cameron, W. de Vries, A. Ibrom, N. Buchmann, N. B. Dise, I. A. Janssens, J. Neirynck, L. Montagnani, A. Varlagin, D. Loustau, A. Legout, K. Ziemblińska, M. Aubinet, M. Aurela, B. H. Chojnicki, J. Drewer, W. Eugster, A.-J. Francez, R. Juszczak, B. Kitzler, W. L. Kutsch, A. Lohila, B. Longdoz, G. Matteucci, V. Moreaux, A. Neftel, J. Olejnik, M. J. Sanz, J. Siemens, T. Vesala, C. Vincke, E. Nemitz, S. Zechmeister-Boltenstern, K. Butterbach-Bahl, U. M. Skiba, M. A. Sutton
Publikováno v:
Biogeosciences, Vol 17, Pp 1621-1654 (2020)
The effects of atmospheric nitrogen deposition (Ndep) on carbon (C) sequestration in forests have often been assessed by relating differences in productivity to spatial variations of Ndep across a large geographic domain. These correlations generally
Externí odkaz:
https://doaj.org/article/acb27cb447a24e06ba03af7aae3d0ba6
Autor:
L. Thieme, D. Graeber, D. Hofmann, S. Bischoff, M. T. Schwarz, B. Steffen, U.-N. Meyer, M. Kaupenjohann, W. Wilcke, B. Michalzik, J. Siemens
Publikováno v:
Biogeosciences, Vol 16, Pp 1411-1432 (2019)
Dissolved organic matter (DOM) is part of the biogeochemical cycles of carbon and nutrients, carries pollutants and drives soil formation. The DOM concentration and properties along the water flow path through forest ecosystems depend on its sampling
Externí odkaz:
https://doaj.org/article/5bec5f7492f74703862892e36488543d
Autor:
S. K. Jones, C. Helfter, M. Anderson, M. Coyle, C. Campbell, D. Famulari, C. Di Marco, N. van Dijk, Y. S. Tang, C. F. E. Topp, R. Kiese, R. Kindler, J. Siemens, M. Schrumpf, K. Kaiser, E. Nemitz, P. E. Levy, R. M. Rees, M. A. Sutton, U. M. Skiba
Publikováno v:
Biogeosciences, Vol 14, Iss 8, Pp 2069-2088 (2017)
Intensively managed grazed grasslands in temperate climates are globally important environments for the exchange of the greenhouse gases (GHGs) carbon dioxide (CO2), nitrous oxide (N2O) and methane (CH4). We assessed the N and C budget of a mostly gr
Externí odkaz:
https://doaj.org/article/0ae63168e7ab4484b9cab7ce888c7829
Publikováno v:
Biogeosciences, Vol 13, Iss 16, Pp 4697-4705 (2016)
Freezing can affect concentrations and spectroscopic properties of dissolved organic matter (DOM) in water samples. Nevertheless, water samples are regularly frozen for sample preservation. In this study we tested the effect of different freezing met
Externí odkaz:
https://doaj.org/article/cc5a176a33be464ab2a411cdb3ed99d5
Publikováno v:
Biogeosciences, Vol 12, Iss 9, Pp 2695-2706 (2015)
We present the first investigation of the composition of dissolved organic matter (DOM) compared to total organic matter (TOM, consisting of DOM, < 0.45 μm and particulate organic matter 0.45 μm < POM < 500 μm) in throughfall, stemflow and forest
Externí odkaz:
https://doaj.org/article/cdfef083df10437caee147f6a4aaa70e
Publikováno v:
Plant Protection Science, Vol 38, Iss SI 2 - 6th Conf EFPP, Pp 519-522 (2002)
Two resistance phenotypes to P. brassicae have been found in A. thaliana. A first resistance phenotype has been detected to the isolate 'e2' and is polygenically inherited. The second resistance to isolate 'e3' is caused by the dominant resistance ge
Externí odkaz:
https://doaj.org/article/e9f97dcbcb01451790d941ccf3e68bdc
Autor:
J. Siemens
Publikováno v:
Czech Journal of Genetics and Plant Breeding, Vol 38, Iss 3-4, Pp 155-157 (2002)
Externí odkaz:
https://doaj.org/article/c2372c7eda7b46579673f49616adf374
Publikováno v:
Plant Protection Science, Vol 38, Iss SI 1 - 6th Conf EFPP, Pp S69-S72 (2002)
Plasmodiophora brassicae causes the clubroot disease of Brassicaceae by its obligate biotrophic lifestyle within host roots. The pathogen enters the root cortex, but is soon found near the vascular tissue. There are basically two possibilities for th
Externí odkaz:
https://doaj.org/article/7a228f6e07314709b46a9f0bc9740eba
Publikováno v:
Journal of Dental Anesthesia and Pain Medicine
Background Emergencies in outpatient clinics are rare. However, potentially catastrophic events can be challenging to manage due to a variety of factors, including limited equipment and staff. The purpose of this quality improvement project was to im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c4a666f6350d0b52b8ec2bfc6321809
http://europepmc.org/articles/PMC8187017
http://europepmc.org/articles/PMC8187017