Search Results - "Mikkelsen, Teis Norgaard"

Hyperspectral and Thermal Sensing of Stomatal Conductance, Transpiration, and Photosynthesis for Soybean and Maize under Drought by Sobejano-Paz, Verónica, Mikkelsen, Teis Nørgaard, Baum, Andreas, Mo, Xingguo, Liu, Suxia, Köppl, Christian Josef, Johnson, Mark S., Gulyas, Lorant, García, Mónica

“…During water stress, crops undertake adjustments in functional, structural, and biochemical traits. Hyperspectral data and machine learning techniques (PLS-R)…”
Get full text

Effects of combined abiotic stresses on nutrient content of European wheat and implications for nutritional security under climate change by Galani, Yamdeu Joseph Hubert, Hansen, Emilie Marie Øst, Droutsas, Ioannis, Holmes, Melvin, Challinor, Andrew Juan, Mikkelsen, Teis Nørgaard, Orfila, Caroline

“…Climate change is causing problems for agriculture, but the effect of combined abiotic stresses on crop nutritional quality is not clear. Here we studied the…”
Get full text

The Influence of Grain Legume and Tillage Strategies on CO2 and N2O Gas Exchange under Varied Environmental Conditions by Hansen, Emilie Marie Øst, Hauggaard-Nielsen, Henrik, Justes, Eric, Ambus, Per, Mikkelsen, Teis Nørgaard

“…By this in vitro study addressing greenhouse gas (GHG) emissions from soil-plant mesocosms, we suggest a method to investigate the joint effects of…”
Get full text

Biomass burning in eastern Europe during spring 2006 caused high deposition of ammonium in northern Fennoscandia by Karlsson, Per Erik, Ferm, Martin, Tømmervik, Hans, Hole, Lars R., Pihl Karlsson, Gunilla, Ruoho-Airola, Tuija, Aas, Wenche, Hellsten, Sofie, Akselsson, Cecilia, Mikkelsen, Teis Nørgaard, Nihlgård, Bengt

“…High air concentrations of ammonium were detected at low and high altitude sites in Sweden, Finland and Norway during the spring 2006, coinciding with polluted…”
Get full text

Functional traits of urban trees: air pollution mitigation potential by Grote, Rüdiger, Samson, Roeland, Alonso, Rocío, Amorim, Jorge Humberto, Cariñanos, Paloma, Churkina, Galina, Fares, Silvano, Le Thiec, Didier, Niinemets, Ülo, Mikkelsen, Teis Norgaard, Paoletti, Elena, Tiwary, Abhishek, Calfapietra, Carlo

“…In an increasingly urbanized world, air pollution mitigation is considered one of most important issues in city planning. Urban trees help to improve air…”
Get full text

Methane emissions from tree stems: a new frontier in the global carbon cycle by Barba, Josep, Bradford, Mark A., Brewer, Paul E., Bruhn, Dan, Covey, Kristofer, van Haren, Joost, Megonigal, J. Patrick, Mikkelsen, Teis Nørgaard, Pangala, Sunitha R., Pihlatie, Mari, Poulter, Ben, Rivas-Ubach, Albert, Schadt, Christopher W., Terazawa, Kazuhiko, Warner, Daniel L., Zhang, Zhen, Vargas, Rodrigo

“…Tree stems from wetland, floodplain and upland forests can produce and emit methane (CH₄). Tree CH₄ stem emissions have high spatial and temporal variability,…”
Get full text

Significant decrease in yield under future climate conditions: Stability and production of 138 spring barley accessions by Ingvordsen, Cathrine Heinz, Backes, Gunter, Lyngkjær, Michael Foged, Peltonen-Sainio, Pirjo, Jensen, Jens Due, Jalli, Marja, Jahoor, Ahmed, Rasmussen, Morten, Mikkelsen, Teis Nørgaard, Stockmarr, Anders, Jørgensen, Rikke Bagger

“…•Grain yield of 138 barley accessions under elevated temperature, [CO2] and [O3].•Combined elevated temperature and [CO2] decreased grain yield by…”
Get full text

Multi‐factor climate change effects on insect herbivore performance by Scherber, Christoph, Gladbach, David J., Stevnbak, Karen, Karsten, Rune Juelsborg, Schmidt, Inger Kappel, Michelsen, Anders, Albert, Kristian Rost, Larsen, Klaus Steenberg, Mikkelsen, Teis Nørgaard, Beier, Claus, Christensen, Søren

“…The impact of climate change on herbivorous insects can have far‐reaching consequences for ecosystem processes. However, experiments investigating the combined…”
Get full text

Increased [CO 2] does not compensate for negative effects on yield caused by higher temperature and [O 3] in Brassica napus L by Frenck, Georg, van der Linden, Leon, Mikkelsen, Teis Nørgaard, Brix, Hans, Jørgensen, Rikke Bagger

“…► We analysed the responses in yield and biomass of four cultivars of oilseed rape. ► Plants were tested under 5 multi or single factor combinations of…”
Get full text

Amylopectin Chain Length Dynamics and Activity Signatures of Key Carbon Metabolic Enzymes Highlight Early Maturation as Culprit for Yield Reduction of Barley Endosperm Starch after Heat Stress by Cuesta-Seijo, Jose Antonio, De Porcellinis, Alice Jara, Valente, Angela Hï Rdum, Striebeck, Alexander, Voss, Cynthia, Marri, Lucia, Hansson, Andreas, Jansson, Anita M, Dinesen, Malene Hessellund, Fangel, Jonatan Ulrik, Harholt, Jesper, Popovic, Milan, Thieme, Mercedes, Hochmuth, Anton, Zeeman, Samuel C, Mikkelsen, Teis Nï Rgaard, Jï Rgensen, Rikke Bagger, Roitsch, Thomas Georg, Mï Ller, Birger Lindberg, Braumann, Ilka

“…Abiotic environmental stresses have a negative impact on the yield and quality of crops. Understanding these stresses is an essential enabler for mitigating…”
Get full text

Biomonitoring of Polycyclic Aromatic Hydrocarbon Deposition in Greenland Using Historical Moss Herbarium Specimens Shows a Decrease in Pollution During the 20th Century by Martinez-Swatson, Karen, Mihály, Eszter, Lange, Christian, Ernst, Madeleine, Dela Cruz, Majbrit, Price, Michelle J., Mikkelsen, Teis Nørgaard, Christensen, Jan H., Lundholm, Nina, Rønsted, Nina

“…Although most point sources of persistent organic pollutants (POPs), including polycyclic aromatic hydrocarbons (PAHs), are at lower latitudes, the Arctic…”
Get full text

Ultrafine particles in inhabited areas in the Arctic - From very low to high concentrations by Pétursdóttir, Una, Kirkelund, Gunvor Marie, Press-Kristensen, Kåre, Hertel, Ole, Mikkelsen, Teis Nørgaard

“…The Arctic is considered a pristine environment, where pollution mainly originates from global sources. The present study examines particle number…”
Get full text

Can barley (Hordeum vulgare L. s.l.) adapt to fast climate changes? A controlled selection experiment by Alemayehu, Fikadu Reta, Frenck, Georg, van der Linden, Leon, Mikkelsen, Teis Nørgaard, Jørgensen, Rikke Bagger

“…The projected future climate will affect the global agricultural production negatively, however, to keep abreast of the expected increase in global population,…”
Get full text

Response to multi‐generational selection under elevated [CO2] in two temperature regimes suggests enhanced carbon assimilation and increased reproductive output in Brassica napus L by Frenck, Georg, Linden, Leon, Mikkelsen, Teis Nørgaard, Brix, Hans, Jørgensen, Rikke Bagger

“…Functional plant traits are likely to adapt under the sustained pressure imposed by environmental changes through natural selection. Employing Brassica napus…”
Get full text

Sap flow for beech (Fagus sylvatica L.) in a natural and a managed forest--effect of spatial heterogeneity by Dalsgaard, L., Mikkelsen, T. N., Bastrup-Birk, A.

“…Aims Beech (Fagus sylvatica L.) is an important species in natural and managed forests in Europe. This drought-sensitive species dominates even-aged stands as…”
Get full text

Effects of gasification biochar on plant-available water capacity and plant growth in two contrasting soil types by Hansen, Veronika, Hauggaard-Nielsen, Henrik, Petersen, Carsten T., Mikkelsen, Teis Nørgaard, Müller-Stöver, Dorette

“…•Gasification biochar increased plant-available water capacity and soil pH.•Straw gasification biochar improved plant and root development in coarse sandy…”
Get full text

Increased CO sub(2) does not compensate for negative effects on yield caused by higher temperature and O sub(3) in Brassica napus L by Frenck, Georg, Van der Linden, Leon, Mikkelsen, Teis Norgaard, Brix, Hans, Jorgensen, Rikke Bagger

“…The projected changes of atmospheric composition and associated climatic parameters will challenge the agricultural production in ways, which existing crop…”
Get full text

CO2 exploitation and genetic diversity in winter varieties of oilseed rape (Brassica napus); varieties of tomorrow by JOHANNESSEN, Marina Mosbaek, MIKKELSEN, Teis Nørgaard, JØRGENSEN, Rikke Bagger

“…We investigated the CO^sub 2]^ exploitation and genetic diversity inthree old and three new winter varieties of oilseed rape (Brassicanapus L.). Plants were…”
Get full text

Is methane released from the forest canopy? by Mikkelsen, TN, Bruhn, D, Ambus, P, Larsen, KS, Ibrom, A, Pilegaard, K

“…Laboratory experiments show that rates of CH4 emission from plant material depend exponentially on temperature and linearly on UV irradiance. The UV irradiance…”
Get full text

Methane emissions from tree stems: a new frontier in the global carbon cycle by Barba, Josep, Bradford, Mark A., Brewer, Paul E., Bruhn, Dan, Covey, Kristofer, Haren, Joost, Megonigal, J.  Patrick, Mikkelsen, Teis Nørgaard, Pangala, Sunitha R., Pihlatie, Mari, Poulter, Ben, Rivas‐Ubach, Albert, Schadt, Christopher W., Terazawa, Kazuhiko, Warner, Daniel L., Zhang, Zhen, Vargas, Rodrigo

“…Tree stems from wetland, floodplain and upland forests can emit CH4. This emerging field of research has revealed a high spatial and temporal variability on…”
Get full text