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Plant Science and Agronomy
Denmark
2023

D-Index & Metrics

Environmental Sciences

D-Index
57
Citations
13978
World Ranking
3403
National Ranking
40

Research.com Recognitions

  • 2023 - Research.com Plant Science and Agronomy in Denmark Leader Award
  • 2022 - Research.com Plant Science and Agronomy in Denmark Leader Award

Overview

Per Ambus is affiliated with the University of Copenhagen in Denmark and has contributed extensively to research in Earth and Planetary Sciences and Environmental Science. Their work predominantly focuses on atmospheric science, ecology, global and planetary change, soil science, and environmental chemistry.

Their research covers a range of topics including:

  • Climate change and permafrost
  • Cryospheric studies and observations
  • Soil carbon and nitrogen dynamics
  • Peatlands and wetlands ecology
  • Atmospheric and environmental gas dynamics
  • Soil and water nutrient dynamics
  • Fire effects on ecosystems

Among their recent publications are the following:

  • Field measurements of atmosphere-biosphere interactions in a Danish beech forest, 2024, Research Portal (King's College London)
  • A review of the importance of mineral nitrogen cycling in the plant-soil-microbe system of permafrost-affected soils-changing the paradigm, 2021, Environmental Research Letters
  • Microbial carbon use efficiency along an altitudinal gradient, 2022, Soil Biology and Biochemistry
  • Analysis of narwhal tusks reveals lifelong feeding ecology and mercury exposure, 2021, Current Biology
  • Deepened snow enhances gross nitrogen cycling among Pan-Arctic tundra soils during both winter and summer, 2021, Soil Biology and Biochemistry

Frequent co-authors of Per Ambus include Bo Elberling, Wenyi Xu, Anders Michelsen, Laura Helene Rasmussen, and Christina Biasi, reflecting collaboration in diverse aspects of environmental and soil sciences.

The scientist has published regularly in several scholarly journals, with notable venues including:

  • SSRN Electronic Journal
  • Soil Biology and Biochemistry
  • Geoderma
  • Applied Soil Ecology
  • Biogeochemistry

Best Publications

  • Atmospheric composition change: Ecosystems–Atmosphere interactions

    D. Fowler;Kim Pilegaard;M.A. Sutton;Per Ambus

  • INTERSPECIFIC COMPETITION, N USE AND INTERFERENCE WITH WEEDS IN PEA-BARLEY INTERCROPPING

    Henrik Hauggaard-Nielsen;Per Ambus;Erik Steen Jensen

  • Effects of slow and fast pyrolysis biochar on soil C and N turnover dynamics

    Esben W. Bruun;Per Ambus;Helge Egsgaard;Henrik Hauggaard-Nielsen

  • Full accounting of the greenhouse gas (CO2, N2O, CH4) budget of nine European grassland sites

    J.F. Soussana;V. Allard;K. Pilegaard;P. Ambus

  • Freeze–thaw regime effects on carbon and nitrogen dynamics in sub-arctic heath tundra mesocosms

    P Grogan;Anders Michelsen;P Ambus;Sven Evert Jonasson

  • Evaluating effects of sewage sludge and household compost on soil physical, chemical and microbiological properties

    Kasia Debosz;Søren O Petersen;Liv K Kure;Per Ambus

  • Influence of fast pyrolysis temperature on biochar labile fraction and short-term carbon loss in a loamy soil

    Esben Bruun;Henrik Hauggaard-Nielsen;Norazana Ibrahim;Norazana Ibrahim;Helge Egsgaard

  • Pea-barley intercropping for efficient symbiotic N2-fixation, soil N acquisition and use of other nutrients in European organic cropping systems

    Henrik Hauggaard-Nielsen;M. Gooding;Per Ambus;G. Corre-Hellou

  • Effects of climate and management intensity on nitrous oxide emissions in grassland systems across Europe

    C.R. Flechard;P. Ambus;U. Skiba;R.M. Rees

  • How does biochar influence soil N cycle? A meta-analysis

    Qi Liu;Yanhui Zhang;Benjuan Liu;James E. Amonette;James E. Amonette

  • The comparison of nitrogen use and leaching in sole cropped versus intercropped pea and barley

    Henrik Hauggaard-Nielsen;Per Ambus;Erik Steen Jensen

  • Temporal and spatial distribution of roots and competition for nitrogen in pea-barley intercrops – a field study employing 32P technique

    H. Hauggaard-Nielsen;P. Ambus;E.S. Jensen

  • Reduced N cycling in response to elevated CO2, warming, and drought in a Danish heathland: Synthesizing results of the CLIMAITE project after two years of treatments

    Klaus Steenberg Larsen;Louise C. Andresen;Claus Beier;Sven Jonasson

  • The competitive ability of pea-barley intercrops against weeds and the interactions with crop productivity and soil N availability

    G. Corre-Hellou;A. Dibet;Henrik Hauggaard-Nielsen;Y. Crozat

  • Biochar application as a tool to decrease soil nitrogen losses (NH3 volatilization, N2O emissions, and N leaching) from croplands: Options and mitigation strength in a global perspective

    Qi Liu;Qi Liu;Benjuan Liu;Yanhui Zhang;Tianlong Hu

  • Factors controlling regional differences in forest soil emission of nitrogen oxides (NO and N 2 O)

    K. Pilegaard;U. Skiba;P. Ambus;C. Beier

  • Spatial and seasonal nitrous oxide and methane fluxes in Danish forest-, grassland-, and agroecosystems

    Per Lennart Ambus;Søren Christensen

  • Inventories of N2O and NO Emissions from European Forest Soils

    M. Kesik;P. Ambus;R. Baritz;N. Brüggemann

  • Application of biochar to soil and N2O emissions: potential effects of blending fast-pyrolysis biochar with anaerobically digested slurry

    Esben Bruun;Dorette Sophie Müller-Stöver;Per Ambus;Henrik Hauggaard-Nielsen

  • Nitrogen processes in terrestrial ecosystems

    Klaus Butterbach-Bahl;Per Gundersen;Per Ambus;Jürgen Augustin

  • Biomass production, symbiotic nitrogen fixation and inorganic N use in dual and tri-component annual intercrops

    Mette Klindt Andersen;Henrik Hauggaard-Nielsen;Per Ambus;Erik Steen Jensen

  • Sources of nitrous oxide emitted from European forest soils

    P. Ambus;S. Zechmeister-Boltenstern;K. Butterbach-Bahl

  • Comparison of Denitrification in Two Riparian Soils

    Per Ambus;Richard Lowrance

  • Experimental design of multifactor climate change experiments with elevated CO2, warming and drought: the CLIMAITE project

    Teis Nørgaard Mikkelsen;Claus Beier;S. Jonasson;M. Holmstrup

  • Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types

    Ngonidzashe Chirinda;Ngonidzashe Chirinda;Mette S. Carter;Kristian R. Albert;Per Ambus

  • Measurement of N2O emission from a fertilized grassland: An analysis of spatial variability

    Per Lennart Ambus;Søren Christensen

Frequent Co-Authors

Henrik Hauggaard-Nielsen
Henrik Hauggaard-Nielsen Roskilde University
Erik Steen Jensen
Erik Steen Jensen Swedish University of Agricultural Sciences
Kim Pilegaard
Kim Pilegaard Technical University of Denmark
Teis Nørgaard Mikkelsen
Teis Nørgaard Mikkelsen Technical University of Denmark
Claus Beier
Claus Beier University of Copenhagen
Anders Michelsen
Anders Michelsen University of Copenhagen
Klaus Steenberg Larsen
Klaus Steenberg Larsen University of Copenhagen
Andreas Ibrom
Andreas Ibrom Technical University of Denmark
Ute Skiba
Ute Skiba Natural Environment Research Council

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