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The Nitrogen Cycle in Soil – Climate Impact and Methodological Challenges in Natural Ecosystems


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Title: The Nitrogen Cycle in Soil – Climate Impact and Methodological Challenges in Natural Ecosystems
Authors: Björsne, Anna-Karin
Issue Date: 31-Aug-2018
University: Göteborgs universitet. Naturvetenskapliga fakulteten
Institution: Department of Earth Sciences ; Institutionen för geovetenskaper
Parts of work: Björsne, A.-K., Rutting, T., and Ambus, P. (2014) Combined Climate Factors Alleviate Changes in Gross Soil Nitrogen Dynamics in Heathlands, Biogeochemistry, 120, 191-201,
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Björsne, A-K., Weslien, P., Kasimir, Å. Klemedtsson, L., Rütting, T. Low N2O Emissions and Gross Nitrification in a Boreal Spruce Forest Soil, Despite Heavy Nitrogen Fertilization (Manuscript)

Björsne, A-K., Rütting, T. Tree Species Influence on the Gross N Dynamics in Soil (Manuscript)

Andresen L.C., Björsne A-K., Bodé S, Klemedtsson L, Boeckx P, Rütting T (2016) Simultaneous Quantification of Depolymerization and Mineralization Rates by a Novel 15N Tracing Model. SOIL 2(3): 433-442
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Date of Defence: 2018-09-21
Disputation: Fredagen den 21 september 2018, kl. 10.00, Hörsalen, Institutionen för Geovetenskaper, Guldhedsgatan 5C
Degree: Doctor of Philosophy
Publication type: Doctoral thesis
Keywords: Nitrogen cycle
15N tracing experiments
gross N transformation rates
climate change
climate treatments
mineralization
nitrification
forest fertilization
nitrous oxide emissions
boreal forest soil
tree species
soil organic matter
C:N ratio
Abstract: Nitrogen (N) is a fundamental element for life, and limiting in many terrestrial ecosystems. In non-N-fertilized ecosystems, the N inputs can be low, and the nutrient availability for plants is determined by the internal cycling of N. The N availability might alter with different factors, such as climate change, forest management practices, and tree species. Soil N cycling is investigated using stable isotopes, where the activity in the soil can be monitored over time. The overall aim of th... more
ISBN: 978-91-7833-113-0 (Print)
978-91-7833-114-7 (PDF)
URI: http://hdl.handle.net/2077/56724
Appears in Collections:Doctoral Theses from University of Gothenburg / Doktorsavhandlingar från Göteborgs universitet
Doctoral Theses / Doktorsavhandlingar Institutionen för geovetenskaper

 

 

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