This provides an outline of the chapters of the European Nitrogen Assessment (updated January 2010).

The European Nitrogen Assessment

Summary for Policy Makers

Technical Summary

Chapter 1: Introduction

Lead Author: Mark Sutton, Natural Environment Research Council, Centre for Ecology and Hydrology, Edinburgh, UK.

Part A - Nitrogen in Europe: the present position

Chapter 2: The European nitrogen problem in a global perspective

Lead Author: Jan Willem Erisman, Energy Research Centre of the Netherlands (ECN), Biomass, Coal & Environmental Research.

Chapter 3: Benefits of nitrogen for food, fibre and industrial production

Joint Lead Authors: Lars Stoumann Jensen & Jan K Schjoerring, University of Copenhagen.

Chapter 4: Nitrogen in current European policies

Lead Author: Oene Oenema, Professor of 'Nutrient Management and soil fertility', in the Soil Quality section (Wageningen University), Program Leader of the Environmental Planning office / Agriculture – environment interactions Alterra, Research Institute of the Green Environment, The Netherlands

Chapter 5: The need to integrate nitrogen science and policies

Lead Author: Mark Sutton, Natural Environment Research Council, Centre for Ecology and Hydrology, Edinburgh, UK.

Part B - Nitrogen processing in the biosphere

Chapter 6: Nitrogen processes in terrestrial ecosystems

Joint Lead Authors: Per Gunderson, Senior Scientist, Forest & Landscape Denmark & Klaus Butterbach-Bahl, Head of Research Group “Regionalisation of biogenic trace gas emissions”, Institute for Meteorology and Climate Research, Germany

Chapter 7: Nitrogen processes in aquatic ecosystems

Joint Lead Authors: Patrick Durand, Directeur de Recherche, UMR Sol-Agronomie Spatialisation, INRA-Agrocampus Rennes, France, Lutz Breuer, Institute for Landscape Ecology and Resources Management (ILR), Germany & Penny Johnes, University of Reading.

Chapter 8: Nitrogen processes in coastal and marine ecosystems

Lead Author: Maren Voss, Head of group Stable Isotopes, Leibniz Institute for Baltic Research, Warnemünde, Germany.

Chapter 9: Nitrogen processes in the atmosphere

Lead Author: Ole Hertel, Head of Section/Senior Researcher, Aarhus University, Denmark.

Part C - Dispersion, budgets and impacts of nitrogen on different scales

Chapter 10: Nitrogen flows in farming systems across Europe

Lead Author: Steve Jarvis, University of Exeter.

Chapter 11. Nitrogen flows and fate in rural landscapes

Lead Author: Pierre Cellier, INRA Unité Mixte de Recherche INRA / AgroParisTech "Environnement et Grandes Cultures", France

Chapter 12. Nitrogen flows and fate in urban landscapes

Joint Lead Authors: Anastasia Svirejeva-Hopkins, Potsdam Institute for Climate Impact Research (PIK), Germany & Stefan Reis, Centre for Ecology and Hydrology, Edinburgh, UK.

Chapter 13. Nitrogen flows from European watersheds to coastal marine waters

Lead Author: Gilles Billen, UMR Sisyphe, CNRS/UPMC, France.

Chapter 14: Atmospheric transport and deposition of nitrogen in Europe

Lead Author: David Simpson, EMEP MSC-W, Norwegian Meteorological Inst. & Chalmers University of Technology, Sweden.

Chapter 15. Geographic variation in terrestrial nitrogen budgets across Europe

Lead Author: Wim de Vries, Alterra, Wageningen UR, The Netherlands

Chapter 16: Integrating nitrogen fluxes at the European scale

Lead Author: Adrian Leip, Joint Research Centre, Institute for Environment and Sustainability, Climate Change Unit, Ispra, Italy.

Part D - Managing nitrogen in relation to key societal issues

Chapter 17: Nitrogen as a threat to European water quality

Lead Author: Bruna Grizzetti, Joint Research Centre, Ispra, Italy.

Chapter 18: Nitrogen as a threat to European air quality

Lead Authors: Peringe Grennfelt and John Munthe, IVL Swedish Environmental Research Institute Ltd Sweden.

Chapter 19: Nitrogen as a threat to the European greenhouse balance

Lead Author: Klaus Butterbach-Bahl, Head of Research Group “Regionalisation of biogenic trace gas emissions”, Institute for Meteorology and Climate Research, Germany.

Chapter 20: Nitrogen as a threat to European terrestrial biodiversity

Lead Author: Nancy Dise, Environmental and Geographical Sciences, Manchester Metropolitan University, UK.

Chapter 21: Nitrogen as a threat to European soil quality

Lead Author: Gerard Velthof, Soil Science Centre, ALTERRA - Research Institute for the Green World, The Netherlands.

Part E - European nitrogen policies and future challenges

Chapter 22. Costs and benefits of nitrogen in the environment

Lead Author: Hans van Grinsven, Senior Researcher, Dept. of Agriculture and Rural Areas, Netherlands Environmental Assessment Agency, The Netherlands.

Chapter 23. Integrated approaches to nitrogen management

Lead Author: Oene Oenema, Professor of 'Nutrient Management and soil fertility', in the Soil Quality section (Wageningen University), Program Leader of the Environmental Planning office / Agriculture – environment interactions Alterra, Research Institute of the Green Environment, The Netherlands

Chapter 24: Future scenarios of nitrogen in Europe

Lead Author: Wilfired Winiarter, IIASA.

Chapter 25: Coordinating European nitrogen policies between directives and international conventions

Lead Author: Keith Bull, CEH, UK.

Chapter 26: Societal choice and communicating the European nitrogen challenge

Lead Author: David Reay, Lecturer in Carbon Management, School of GeoSciences, University of Edinburgh, UK.