Nitrogen shares in global environmental impacts and crop production
The increased use of nitrogen (N) fertilizer and emissions of reactive N compounds (Nr) from agriculture, food consumption and combustion of fossil fuels, constitute one of the largest global environmental problems. The N-shares in world regions for impacts of ambient...
A scheme to relate nitrogen loads to characteristic plant species of FFH habitat types in Germany
There is growing evidence that high nitrogen loads can change species composition of different FFH habitat types. We developed a scheme especially for the plant species characteristic to the german variety of the habitat type 6230. For the scheme, three trophic levels...
Governing Nutrient Pollution Beyond Farmers
This talk will introduce the “Governing Nutrient Pollution Beyond Farmers” project. The project is driven by the following question: is it possible to reduce agricultural nutrient pollution without regulating farmers? This requires a new governance system that goes...
National nitrogen budgets of Japan in 2000s
Nitrogen (N) budget estimation provides fundamental information to grasp N flows among sectors of human activities (e.g., agriculture and industry) and environmental media (e.g., atmosphere and hydrosphere). We have been estimating a national scale of N budgets in...
Linking Nitrogen Forms, Quantifications, and Epistemologies: A Science-Policy Interface Issue
Unequal quantifications of global reactive nitrogen pose a major challenge for further coordination between national and international organizations. Nitrogen science combines multiple disciplines, methods, and metrics that mostly focus on distinct reactive nitrogen...
A revised planetary boundary for agricultural nitrogen inputs
Nitrogen is an essential nutrient in food production but also causes major environmental problems. We present the first spatially explicit estimation of global-scale agricultural nitrogen inputs that comply with three environmental standards, i.e. critical nitrogen...
A guidance document for nitrogen impact assessment for human health and environment qualities
The nitrogen cascade has multiple impacts on humans and nature. Globally, excess reactive nitrogen (Nr) to the environment has been recognized as one of the urgent global environment exceedances of the current safe-operating capacity of our planet (i.e., the Planetary...
Willingness to pay for improvements in surface water quality in Northern Europe
The Water Framework Directive (WFD) (European Commission, 2000) requires that measures ensuring that all water bodies in the member states reach ‘Good Ecological Status ‘(GES) should have been in place by 2015, but with opportunities for extension to 2027. Leakage of...
Cost-effective nitrogen load reductions to Danish coastal areas
Good ecological status of the coastal marine waters should be achieved no later than 2027 to fulfil the European Water Framework Directive. To advise the Danish Ministry of Environment and Food of the most cost-effective solutions and combinations of measures to...
Societal benefits of halving agricultural ammonia emissions in China far exceed the abatement cost
This study conducts the first comprehensive assessment of national NH3 mitigation based on multiple models. Our study reveals there are considerable societal benefits (US$ 32-75 billion) for China to reduce agricultural NH3 emissions compared to its implementation...