Author: Sylvia Duretz
Publisher:
ISBN:
Category :
Languages : en
Pages : 118
Get Book Here
Book Description
Les émissions indirectes de N2O sont dues à des transferts de forme réactive d’azote (Nr) par l’atmosphère ou le réseau hydrologique. Actuellement, ces émissions indirectes sont le plus souvent calculées au moyen de facteur d’émissions très incertains et contestés. A l’échelles du paysage, différentes écosystèmes interagissent par transferts à courte distance (par exemple: émissions, transferts et dépôt d’ammoniac ou lessivage transferts et recapture de nitrate). L’échelle du paysage est donc pertinente pour étudier les émissions indirectes provenant des ces transferts. Le modèle NitroScape a été développé en couplant 4 modèles existants de manière spatiale, et dynamique pour estimer les flux et transformations d’azote dans les 4 compartiments d’un paysage (atmosphère, réseau hydrologique, exploitation agricole, écosystèmes). NitroScape a été configuré de plusieurs manières différentes afin d’évaluer la contribution relative des transferts et re-capture des formes réactive d’azote dans le paysage et appliqué à différentes configuration spatiale. Il a ainsi produit des estimations de flux et transformation d’azote à l’échelle du paysage. Il a réagi de manière prévue en terme de pattern d’émissions et de recapture. Les résultats de ce travail de thèse ont montré que (i) comme attendu, les émissions indirects peuvent être une part important des émissions de N2O, (ii) les transferts atmosphériques et hydrologiques ont tout les deux un impact sur les émissions de N2O, (iii) les émissions directes et indirectes ont variés en relation avec la distribution spatiale des écosystèmes dans le paysage.
Author: J. Gautheyrou
Publisher: CRC Press
ISBN: 9789054107163
Category : Technology & Engineering
Languages : en
Pages : 514
Get Book Here
Book Description
The objective of this book is to provide a better understanding of tools for soil analysis in order to use them more efficiently. It covers sampling problems as well as difficulties relating to actual analysis and quality control.
Author: Collectif
Publisher: IRD Éditions
ISBN: 2709922207
Category : Nature
Languages : en
Pages : 736
Get Book Here
Book Description
This book has been published by Allenvi (French National Alliance for Environmental Research) to coincide with the 22nd Conference of Parties to the United Nations Framework Convention on Climate Change (COP22) in Marrakesh. It is the outcome of work by academic researchers on both sides of the Mediterranean and provides a remarkable scientific review of the mechanisms of climate change and its impacts on the environment, the economy, health and Mediterranean societies. It will also be valuable in developing responses that draw on “scientific evidence” to address the issues of adaptation, resource conservation, solutions and risk prevention. Reflecting the full complexity of the Mediterranean environment, the book is a major scientific contribution to the climate issue, where various scientific considerations converge to break down the boundaries between disciplines.
Author: Jacques-Eric Bergez
Publisher: Springer
ISBN: 3030019535
Category : Technology & Engineering
Languages : en
Pages : 337
Get Book Here
Book Description
This Open Access book presents feedback from the ‘Territorial Agroecological Transition in Action’- TATA-BOX research project, which was devoted to these specific issues. The multidisciplinary and multi-organisation research team steered a four-year action-research process in two territories of France. It also presents: i) the key dimensions to be considered when dealing with agroecological transition: diversity of agriculture models, management of uncertainties, polycentric governance, autonomies, and role of actors’ networks; ii) an operational and original participatory process and associated boundary tools to support local stakeholders in shifting from a shared diagnosis to a shared action plan for transition, and in so doing developing mutual understanding and involvement; iii) an analysis of the main effects of the methodology on research organisation and on stakeholders’ development and application; iv) critical analysis and foresights on the main outcomes of TATA-BOX, provided by external researchers.
Author: Joyce Boye
Publisher: Springer Science & Business Media
ISBN: 146141587X
Category : Technology & Engineering
Languages : en
Pages : 684
Get Book Here
Book Description
This book will review the current status of the agriculture and agri-food sector in regard to green processing and provide strategies that can be used by the sector to enhance the use of environmentally-friendly technologies for production, processing. The book will look at the full spectrum from farm to fork beginning with chapters on life cycle analysis and environmental impact assessment of different agri-food sectors. This will be followed by reviews of current and novel on-farm practices that are more environmentally-friendly, technologies for food processing that reduce chemical and energy use and emissions as well as novel analytical techniques for R&D and QA which reduce solvent, chemical and energy consumption. Technologies for waste treatment, "reducing, reusing, recycling", and better water and energy stewardship will be reviewed. In addition, the last section of the book will attempt to look at technologies and processes that reduce the generation of process-induced toxins (e.g., trans fats, acrylamide, D-amino acids) and will address consumer perceptions about current and emerging technologies available to tackle these processing and environmental issues.
Author: Janet Roitman
Publisher: Princeton University Press
ISBN: 0691187045
Category : Social Science
Languages : en
Pages : 254
Get Book Here
Book Description
Fiscal Disobedience represents a novel approach to the question of citizenship amid the changing global economy and the fiscal crisis of the nation-state. Focusing on economic practices in the Chad Basin of Africa, Janet Roitman combines thorough ethnographic fieldwork with sophisticated analysis of key ideas of political economy to examine the contentious nature of fiscal relationships between the state and its citizens. She argues that citizenship is being redefined through a renegotiation of the rights and obligations inherent in such economic relationships. The book centers on a civil disobedience movement that arose in Cameroon beginning in 1990 ostensibly to counter state fiscal authority--a movement dubbed Opération Villes Mortes by the opposition and incivisme fiscal by the government (which for its part was eager to suggest that participants were less than legitimate citizens, failing in their civic duties). Contrary to standard approaches, Roitman examines this conflict as a "productive moment" that, rather than involving the outright rejection of regulatory authority, questioned the intelligibility of its exercise. Although both militarized commercial networks (associated with such activities trading in contraband goods including drugs, ivory, and guns) and highly organized gang-based banditry do challenge state authority, they do not necessarily undermine state power. Contrary to depictions of the African state as "weak" or "failed," this book demonstrates how the state in Africa manages to reconstitute its authority through networks that have emerged in the interstices of the state system. It also shows how those networks partake of the same epistemological grounding as does the state. Indeed, both state and nonstate practices of governing refer to a common "ethic of illegality," which explains how illegal activities are understood as licit or reasonable conduct.
Author: Stuart Hill
Publisher: Birkhäuser
ISBN: 3034863101
Category : Science
Languages : en
Pages : 364
Get Book Here
Book Description
Author: Donal Murphy-Bokern
Publisher: Cabi
ISBN: 9781780644981
Category : Business & Economics
Languages : en
Pages : 0
Get Book Here
Book Description
Based on contributions from members of the Legumes Future research consortium and complemented by articles from other research teams, this book provides a comprehensive overview of knowledge relevant to developing legume-supported cropping systems in Europe. It reflects the growing interest in using legumes to improve cropping and the current debate over the imbalance in European systems where the low use of legumes has caused concern in the agricultural policy community. This book supports informed debate and decision-making that addresses the associated challenges. Legumes in Cropping Systems presents current knowledge on this subject across 15 coordinated chapters. Each chapter addresses a specific aspect of legume cropping and provides insight into the relevant literature to help support understanding and explore the underlying processes that influence cropping system development. This book includes coverage of: · the role of legumes in cropping systems; · the role of legumes in European protein supplies; · environmental effects of grain and forage legumes; · current status of the major grain and forage legume crops; · economic effects; and · policy development. Written by an international team of expert authors and presented in full-colour throughout, this book is an invaluable resource for researchers in agronomy and crop sciences, agricultural professionals, policy makers, and students.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9789251045411
Category : Business & Economics
Languages : en
Pages : 20
Get Book Here
Book Description
The actual Code of conduct is also available (1996) (ISBN 9251038341).
Author: A. Lerman
Publisher: Springer Science & Business Media
ISBN: 9400930712
Category : Science
Languages : en
Pages : 385
Get Book Here
Book Description
Proceedings of the NATO Advanced Study Institute, Aussois, France, September 4-15, 1985
