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Showing 1–8 of 8 results
Advanced filters: Author: Lex Bouwman Clear advanced filters

  • Existing datasets of nitrogen (N) balance in agriculture are often discrepant. Comparing 13 of them regarding five metrics (fertilizer application, manure application, biological N fixation, atmospheric deposition, and N harvested as crop products) over 1961–2015 reveals why. Recommendations for improving N quantification and an N budget benchmark dataset are also proposed.

    • Xin Zhang
    • Tan Zou
    • Eric A. Davidson
    Research
    Nature Food
    Volume: 2, P: 529-540

  • Current trends imply that we will transgress most of the planetary boundaries by 2050; however, ambitious, urgent and universal action to ameliorate climate change and increase resource efficiency can effectively reduce the degree of transgression.

    • Detlef P. van Vuuren
    • Jonathan C. Doelman
    • Willem-Jan van Zeist
    ResearchOpen Access
    Nature
    Volume: 641, P: 910-916

  • A meta-analysis of 1,521 field observations from the past two decades led to the identification of 11 key measures to cost-effectively mitigate nitrogen pollution from global croplands.

    • Baojing Gu
    • Xiuming Zhang
    • Deli Chen
    ResearchOpen Access
    Nature
    Volume: 613, P: 77-84

  • The sensitivity of the terrestrial biosphere to changes in climate constitutes a feedback mechanism with the potential to accentuate global warming. Process-based modelling experiments now indicate that under a business-as-usual emissions scenario the biosphere on land is expected to be an increasingly positive feedback to anthropogenic climate change, potentially amplifying equilibrium climate sensitivity by 22–27%.

    • Benjamin D. Stocker
    • Raphael Roth
    • Iain Colin Prentice
    Research
    Nature Climate Change
    Volume: 3, P: 666-672

  • Phosphorous is limited in many tropical soils. This study finds that, despite such limitation, sub-Saharan Africa is on track to nearly doubling productivity on smallholder farms while some regions will require almost 40% more phosphorous applied between 2015 and 2030.

    • C. Langhans
    • A. H. W. Beusen
    • A. F. Bouwman
    ResearchOpen Access
    Nature Sustainability
    Volume: 5, P: 57-63

  • From research on agricultural systems in temperate regions, it is known that use of nitrogen fertilizers and animal manure results in release of nitrous (N2O) and nitric (NO) oxides to the atmosphere. The reason for caring about this phenomenon is the effect these gases may have on both global warming and atmospheric chemistry. From studies in the tropics, it now seems that releases of (N2O) and NO are much higher from tropical agricultural systems. Given the projected large increase in use of nitrogen fertilizer in such areas in the coming years, that conclusion warrants further attention.

    • A. F. Bouwman
    News & Views
    Nature
    Volume: 392, P: 866-867

  • Maintaining good water quality is vital for healthy ecosystems and human water use, yet water quality responses to hydroclimatic extremes and changing climate are poorly understood. This Review explores river water quality under climate change and extremes.

    • Michelle T. H. van Vliet
    • Josefin Thorslund
    • Luke M. Mosley
    Reviews
    Nature Reviews Earth & Environment
    Volume: 4, P: 687-702