| Records |
| Author |
Cantelaube, P.; Jayet, P. |
Title  |
Geographical downscaling of outputs provided by an economic farm model calibrated at the regional level |
Type |
Journal Article |
| Year |
2012 |
Publication |
Land Use Policy |
Abbreviated Journal |
Land Use Policy |
| Volume |
29 |
Issue |
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Pages |
35-44 |
| Keywords |
Downscaling; Land use; Spatial statistics; Farm-groups; Farm Accountancy Data Network; FADN |
| Abstract |
There is a strong need for accurate and spatially referenced information regarding policy making and model linkage. This need has been expressed by land users, and policy and decision makers in order to estimate both spatially and locally the impacts of European policy (like the Common Agricultural Policy) and/or global changes on farm-groups. These entities are defined according to variables such as altitude, economic size and type of farming (referring to land uses). European farm-groups are provided through the Farm Accountancy Data Network (FADN) as statistical information delivered at regional level. The aim of the study is to map locally farm-group probabilities within each region. The mapping of the farm-groups is done in two steps: (1) by mapping locally the co-variables associated to the farm-groups, i.e. altitude and land uses; (2) by using regional FADN data as a priori knowledge for transforming land uses and altitude information into farm-groups location probabilities within each region. The downscaling process focuses on the land use mapping since land use data are originally point information located every 18 km. Interpolation of land use data is done at 100 m by using co-variables like land cover, altitude, climate and soil data which are continuous layers usually provided at fine resolution. Once the farm-groups are mapped, European Policy and global changes scenarios are run through an agro-economic model for assessing environmental impacts locally. |
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TradeM, ftnotmacsur |
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no |
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MA @ admin @ |
Serial |
4582 |
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| Author |
Biewald, A.; Rolinski, S.; Lotze-Campen, H.; Schmitz, C. |
| Title |
Global valuation of agricultural, virtual blue water trade measured on a local scale |
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Conference Article |
| Year |
2012 |
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Conference paper presented at the 10th Annual meeting of the International Water Resource Economics Consortium, Stockholm, Sweden, 2012-08-27 to 2012-08-28 |
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Approved |
no |
| Call Number |
MA @ admin @ |
Serial |
2323 |
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Bennetzen, E.H.; Smith, P.; Soussana, J.-F.; Porter, J.R. |
| Title |
Identity-based estimation of greenhouse gas emissions from crop production: case study from Denmark |
Type |
Journal Article |
| Year |
2012 |
Publication |
European Journal of Agronomy |
Abbreviated Journal |
European Journal of Agronomy |
| Volume |
41 |
Issue |
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Pages |
66-72 |
| Keywords |
kaya identity; kaya-porter identity; crop production; greenhouse gas emission; energy intensity; mitigation; food system; agriculture; mitigation; energy; opportunities; inventory; europe; policy; land |
| Abstract |
In order to feed the world we need innovative thinking on how to increase agricultural production whilst also mitigating climate change. Agriculture and land-use change are responsible for approximately one-third of total anthropogenic greenhouse gas (GHG) emissions but hold potential for climate change mitigation but are only tangentially included in UNFCCC mitigation policies. To get a full estimate of GHG emissions from agricultural crop production both energy-based emissions and land-based emissions need to be accounted for. Furthermore, the major mitigation potential is likely to be indirect reduction of emissions i.e. reducing emissions per unit of agricultural product rather than the absolute emissions per se. Hence the system productivity must be included in the same analysis. This paper presents the Kaya-Porter identity, derived from the Maya identity, as a new way to calculate GHG emissions from agricultural crop production by deconstructing emissions into five elements; the GHG intensity of the energy used for production (kg CO2-eq./MJ), energy intensity of the production (MJ/kg dry matter), areal productivity (kg dry matter/ha), areal land-based GHG emissions (CO2-eq./ha) and area (ha). These separate elements in the identity can be targeted in emissions reduction and mitigation policies and are useful to analyse past and current trends in emissions and to explore future scenarios. Using the Kaya-Porter identity we have performed a case study on Danish crop production and find emissions to have been reduced by 12% from 1992 to 2008, whilst yields per unit area have remained constant. Both land-based emissions and energy-based emissions have decreased, mainly due to a 41% reduction in nitrogen fertilizer use. The initial identity based analysis for crop production presented here needs to be extended to include livestock to reflect the entire agricultural production and food demand sectors, thereby permitting analysis of the trade-offs between animal and plant food production, human dietary preferences and population and resulting GHG emissions. (C) 2012 Elsevier B.V. All rights reserved. |
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2016-07-22 |
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1161-0301 |
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CropM, ftnotmacsur |
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no |
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MA @ admin @ |
Serial |
4581 |
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Deligios, P.; Ledda, L.; Farci, R.; Doro, L.; Roggero, P.P. |
| Title |
Impatto dei cambiamenti climatici sulla produzione di colza da bioenergia in un ambiente mediterraneo |
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Conference Article |
| Year |
2012 |
Publication |
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CropM |
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XLI Convegno annuale Società Italiana di Agronomia, Bari, Italy, 2012-09-19 to 2012-09-21 |
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MA @ admin @ |
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2387 |
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| Author |
Fereres, A. |
| Title |
Insect behaviour and management options under UV-deficient enclosures |
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Conference Article |
| Year |
2012 |
Publication |
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CropM |
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“Plant responses to UV radiation: from individuals to ecosystems”. COST UV4Growth (FA0906: UV-B radiation: A specific regulator of plant growth and food quality in a changing climate)., 2012-04-25 to 2012-04-26 |
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MA @ admin @ |
Serial |
2432 |
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