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A Framework for Clarifying “Participation” in Participatory Research to Prevent its Rejection for the Wrong Reasons Ecology and Society
Barreteau, Olivier; Cemagref UMR G-EAU; olivier.barreteau@cemagref.fr; Bots, Pieter W. G.; Delft University of Technology; p.w.g.bots@tudelft.nl; Daniell, Katherine A; Australian National University; katherine.daniell@gmail.com.
Participatory research relies on stakeholder inputs to obtain its acclaimed benefits of improved social relevance, validity, and actionability of research outcomes. We focus here on participatory research in the context of natural resource management. Participants’ acceptance of participatory research processes is key to their implementation. Our first assumption is that this positive view and acceptance of participation in research processes is a public good for the whole participatory research community. We also assume that the diversity of participatory forms of research is rarely considered by potential participants when they make their decisions about whether or not to participate in a proposed process. We specifically address how to avoid...
Tipo: Peer-Reviewed Synthesis Palavras-chave: Framing; Information flow; Participatory research; Water management.
Ano: 2010
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A framework for qualitatively evaluating management plans in a results-based perspective ArchiMer
Rochet, Marie-joelle; Trenkel, Verena; Rice, Jake.
Currently many multi-year management plans are being developed either for rebuilding depleted stocks or for avoiding difficult negotiations when management decisions must be revisited on a regular basis. Management plans are commonly evaluated by intensive model simulations that describe the ecological and economic dynamics, and the management loop. Under the results-based management paradigm, the fishing industry or particular fishing sectors will develop their own management plans, potentially leading to a huge number of plans to be evaluated. Guidelines for evaluating the plans on a qualitative level before launching quantitative evaluations will be essential. Here we propose a framework for evaluating management strategies in a qualitative way. A...
Tipo: Text
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00029/13988/11166.pdf
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A French environmental specimen bank of marine bivalves : archive of trace chemical contamination ArchiMer
Claisse, Didier; Knoery, Joel.
Since 1979, the French Marine Monitoring network (RNO) has been regularly collecting blue mussels and oysters at some 100 characterized sites along the French shore. The bivalves are used as quantitative bio-indicators of coastal chemical contamination. Since 1981, the collected samples have been stabilized and archived in a sample bank. The sample collection is thus a continuously lengthening record of coastal contamination. Bivalves are collected by the Ifremer coastal laboratories. In order to eliminate their faeces and pseudofaeces, molluscs are depurated for 24 hours in decanted sea water from the sampling area. They are then sized, shucked from their shell and frozen in pools of 20-50 animals. At the Dépt of Biogeochemistry and Ecotoxicology, the...
Tipo: Text
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00016/12692/9608.pdf
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A Fresh Look at Energy, Materials, and Labor in Agriculture Nature Precedings
Aaron W. Baum; Tadeusz Patzek; Martin Bender; Steve Renich; Wes Jackson.
An understanding of agriculture's energy, material, and labor requirements is essential for achieving economic and ecological sustainability, and for assessing the effectiveness of relevant policy decisions (biofuel subsidies, regulations, labeling, etc.). Previous studies of energy, materials, and labor use in farming have been based on either unverified voluntary reporting or test plots, rather than on the high-resolution measurements of mass and energy flows. Here we present a recursive analysis of 1.25 million data points describing in unprecedented detail the resource transactions on a 60 ha farm functioning for over 6 years. This analysis highlights the importance of accounting for all types of materials, as well as capital equipment,...
Tipo: Manuscript Palavras-chave: Ecology; Earth & Environment.
Ano: 2010 URL: http://precedings.nature.com/documents/4291/version/1
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A Fully Calibrated Generalized CES Programming Model of Agricultural Supply AgEcon
Merel, Pierre R.; Simon, Leo K.; Yi, Fujin.
The use of prior information on supply elasticities to calibrate programming models of agricultural supply has been advocated repeatedly in the recent literature (Heckelei and Britz 2005). Yet, Mérel and Bucaram (2009) have shown that the dual goal of calibrating such models to a reference allocation while replicating an exogenous set of supply elasticities is not always feasible. This article lays out the methodological foundation to exactly calibrate programming models of agricultural supply using generalized CES production functions. We formally derive the necessary and sufficient conditions under which such models can be calibrated to replicate the reference allocation while displaying crop-specific supply responses that are consistent with prior...
Tipo: Conference Paper or Presentation Palavras-chave: Positive mathematical programming; Generalized CES; Supply elasticities; Crop Production/Industries; Production Economics.
Ano: 2010 URL: http://purl.umn.edu/60906
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A Game Theoretic Framework for Cooperative Benefits in South Africa’s Land Redistribution Process: A Case of Northern Kwa-Zulu Natal Sugarcane Farmland Transfers AgEcon
Mbatha, C. Nhlanhla; Antrobus, G.G..
A good indicator of successful farm redistribution cases has to be the continuation of viable productivity rates in their post transfer periods. Continued productivity benefits all the stakeholders that are involved in the process. Unfortunately negative productivity levels have been reported in numerous South African land redistribution transfers in recent years. A game theoretic perspective is adopted to argue that cooperation among key stakeholders, which could be enforced through long term contracts between a land buyer, sellers and new owners, would lead to higher productivity levels and other benefits. Additional benefits would, for example, include market related prices paid by a buyer. Sugarcane farm transfer cases from two municipality districts...
Tipo: Journal Article Palavras-chave: Sugarcane; Farms; Redistribution; Productivity; Cooperation; Games; Land Economics/Use; Research Methods/ Statistical Methods.
Ano: 2010 URL: http://purl.umn.edu/96156
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A gene frequency model for QTL mapping using Bayesian inference Inra
He, W.; Fernando, R.L.; Dekkers, J.C.M.; Gilbert, H..
Tipo: Journal Article Palavras-chave: QUANTITATIVE TRAIT LOCI; LINEAR UNBIASED PREDICTION; LINKAGE DISEQUILIBRIUM; GENOMIC SELECTION; SIMPLE REGRESSION; BREEDING VALUES; COMPLEX TRAITS; JOINT LINKAGE; MARKER; ASSOCIATION.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20106e9c13dc&uri=/notices/prodinra1/2010/11/
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A general extrudate bulk density model for both twin-screw and single-screw extruder extrusion cooking processes Organic Eprints
Cheng, Hongyuan; Friis, Alan; Høeg Hansen, Jonas; Tolderlund Rasmussen, Hanne.
Effects of extrusion parameters and raw materials on extrudate expansion are respectively investigated in a twin-screw extruder and a single-screw extruder extrusion cooking experiments for fish feed, wheat, and oat & wheat mixture processing. A new phenomenological model is proposed to correlated extrudate bulk density, extrusion parameters and raw material changes based on the experimental results. The average absolute deviation (AAD) of the correlation is 2.2% for fish feed extrusion in the twin-screw extrusion process. For the single-screw extrusion process, the correlation AAD is respectively 3.03%, 5.14% for wheat and oat & wheat mixture extrusion; and the correlation AAD is 6.6% for raw material change effects. The correlation results...
Tipo: Journal paper Palavras-chave: Technology assessment.
Ano: 2010 URL: http://orgprints.org/18204/1/18204.pdf
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A General Summary of Groundwater Conditions in South Georgia AgEcon
McLemore, William H..
Tipo: Journal Article Palavras-chave: Environmental Economics and Policy.
Ano: 2010 URL: http://purl.umn.edu/60342
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A generic approach for representing complex structures in biological models Nature Precedings
Robert I. Muetzelfeldt.
Increasingly, the biological modelling community is looking for ways of handling complex and possibly dynamic structures in their models. On the one hand, the pathway-modelling groups (SBML and CellML) seek to move up levels of organisation, while on the other hand the "Virtual X" communities (where X is some organism or organ) need to represent the organisational structure within their object of study. To date, various approaches have been proposed, such as the SBML Level 3 'comp', 'spatial', 'array' and 'dyn' extension packages, and domain-specific elements in languages such as NeuroML, but there is no generic approach intended to be adopted by the various...
Tipo: Presentation Palavras-chave: Ecology; Bioinformatics.
Ano: 2010 URL: http://precedings.nature.com/documents/5188/version/1
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A genômica na bovinocultura de corte. Repositório Alice
COUTINHO, L. L.; JORGE, E. C.; ROSÁRIO, M. F. do; REGITANO, L. C. de A..
Genômica: definição e conceito; Aplicações da genômica; Perspectivas das aplicações da genômica.
Tipo: Capítulo em livro científico (ALICE) Palavras-chave: Genômica; Melhoramento genético; DNA.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/handle/doc/862890
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A globális pénzügyi és gazdasági válság, valamint a konszern számvitel összefüggései AgEcon
Simon, Szilvia.
Napjainkban a világgazdaság egyik legfontosabb megoldásra váró problémája, hogy hogyan előzhető meg újabb globális pénzügyi és gazdasági válságok kialakulása, illetve léteznek-e olyan módszerek, eszközök, amelyek segítségével a már kialakult válságok hatásai, következményei mérsékelhetők. A módszerek, eszközök részben már rendelkezésre állnak, melyek közül célszerű kiemelni a konszern számvitel módszertanát, mert segítségével elkészíthető konszolidált éves beszámolót. E konszolidált éves beszámoló ugyanis alkalmas arra, hogy a konszerntagok közötti belső kapcsolatokból adódó halmozódásokat kiszűrve előmozdítsa a vállalatcsoportok reális megítélését. Segítségével elkerülhetővé válhat a – válság kialakulásában nagymértékben szerepet játszó – jogi, pénzügyi...
Tipo: Journal Article Palavras-chave: Globális pénzügyi válság; Élelmiszer-gazdaság; Konszolidáció; Anyavállalatok; Global economic crisis; Food economy; Consolidation; Parent companies; Financial Economics; Political Economy.
Ano: 2010 URL: http://purl.umn.edu/99176
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A Globally Flexible Model for Crop Yields Under Weather Risk AgEcon
Cooper, Joseph C.; Wallander, Steven.
The literature on climate change and crop yields recognizes the need to allow for highly non-linear marginal effects. This study combines these two areas of the literature by using Flexible Fourier Transforms (FFT’s) to ensure flexibility for both the time trend and the weather effects. This study also illustrates how FFT’s can be combined with quantile regression (QR) to provide both robustness to outliers and information on the scale effects of time and weather variables. For U.S. county level data on corn, soybeans, and winter wheat, we estimate the relationship between yield and temperature and precipitation using a traditional parametric expected-yield estimator, our quantile-FFT regression evaluated at the median, and our QR-FFT regression that...
Tipo: Conference Paper or Presentation Palavras-chave: Crop yield distributions; Flexible fourier transforms; Quantile regression; Crop Production/Industries; Risk and Uncertainty.
Ano: 2010 URL: http://purl.umn.edu/103560
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A GLOBALLY integrated Latin America and Caribbean soil information service (LACSIS). Infoteca-e
2010
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Latinoamerica; Caribe; Sistema de información de suelos; Cartografía digital; Sistema de informação de solos; América Latina.
Ano: 2010 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/875698
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A grapevine Shaker inward K(+) channel activated by calcineurin B-like calcium sensor 1 - protein kinase CIPK23 network is expressed in grape berries under drought stress conditions Inra
Cuellar, T; Pascaud, F.; Verdeil, J.L.; Torregrosa, L.; Adam-Blondon, A.F.; Thibaud, J.B.; Sentenac, H.; Gaillard, I..
Grapevine (Vitis vinifera), the genome sequence of which has recently been reported, is considered as a model species to study fleshy fruit development and acid fruit physiology. Grape berry acidity is quantitavely and qualitatively affected upon increased K(+) accumulation, resulting in deleterious effects on fruit (and wine) quality. Aiming at identifying molecular determinants of K(+) transport in grapevine, we have identified a K(+) channel, named VvK1.1, from the Shaker family. In silico analyses indicated that VvK1.1 is the grapevine counterpart of the Arabidopsis AKT1 channel, known to dominate the plasma membrane inward conductance to K(+) in root periphery cells and to play a major role in K(+) uptake from the soil solution. VvK1.1 shares common...
Tipo: Journal Article Palavras-chave: SHAKER K+ CHANNEL; K+ UPTAKE; CIPK–CBL NETWORK; DROUGHT STRESS; IN SITU HYBRIDIZATION; EXPRESSION PATTERN.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010c28fca12&uri=/notices/prodinra1/2010/12/
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A groundwater system in a mountain environment (Serra da Estrela, Portugal) IPB - Escola Superior Agrária
Espinha Marques, J.; Marques, J.M.; Aguiar, Carlos.
Mountains are often recognized as the "world's water towers", due to their exceptional ability to generate water resources or good quality and. frequently, or considerable economic value (e.g. UNESCO IHP-VI Programme: http://www,unesco.org, Aureli 2002).
Tipo: BookPart Palavras-chave: Portugal; Groundwater.
Ano: 2010 URL: http://hdl.handle.net/10198/4521
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A Guatemalan Soycow Cooperative: Is the Whole Greater than the Sum of its Parts? AgEcon
Blumthal, Meredith; Micheels, Eric T.; Paulson, Nicholas D.; Farrell, Rhett C..
Teaching Notes available upon request: ifamr@ifama.org; Author video:http://www.youtube.com/user/ifamr1?feature=mhum#p/u/8/FhUZu2lt6Ns
Tipo: Journal Article Palavras-chave: Soycow; Cooperative; Guatemala; Teaching case; Agribusiness; Q10.
Ano: 2010 URL: http://purl.umn.edu/96331
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A Guide to Nutrient Budgeting on Organic Farms Organic Eprints
Watson, Christine; Topp, Cairistiona F E; Stockdale, Elizabeth.
The leaflet gives practical guidance on using data and calculating farm-gate nutrient budgets with sections on soil analysis, nutrient inputs, nutrient losses and flows, nitrogen fixation through leys and how inputs and outputs from organic manures and livestock feed can be recorded. It contains one example table of a farm-gate annual nutrient budget for a mixed cattle and arable farm. The tool is specific to organic farming. It was drafted for the UK but has relevance in other countries.
Tipo: Practice tool Palavras-chave: Nutrient turnover; Farm nutrient management.
Ano: 2010 URL: http://orgprints.org/31654/1/a-guide-to-nutrient-budgeting-on-farms.pdf
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A gyermekkori elhízás és az élelmiszercímke összefüggéseinek marketing szempontú vizsgálata AgEcon
Szucs, Robert Sandor.
Afiatalkorúak célcsoportja a piac leginkább befolyásolható szegmensét jelenti. Kutatásaink szerint a fiatalok fele nem fordít különösebb figyelmet az egészséges táplálkozásra, s a fiataloknak csupán egyharmada érti az élelmiszercímke jelöléseit. Súlyosbítja a helyzetet, hogy magas zsír-, só-, cukortartalmú élelmiszereket (például gyorséttermi láncok termékei, kóla, chips) népszerűsítenek. Ahazai élelmiszercímke-szabályozásban mindenképpen célszerű figyelembe venni más országok gyakorlatát, különös tekintettel az Egyesült Államok élelmiszercímkéire, valamint a Magyar Nemzeti Szívalapítvány elképzeléseire. Az elmaradás eredménye a 20%-ban túlsúlyos, egészségügyi problémákkal küzdő fiatal nemzedék!...
Tipo: Journal Article Palavras-chave: Élelmiszercímke; Gyermek- és fiatalkori elhízás; Magas zsír-; Só-; Cukortartalmú élelmiszer; Fogyasztóvédelem; Food label; Child and youth obesity; Foods with high fat; Salt and sugar content; Consumer protection; Food Consumption/Nutrition/Food Safety; Food Security and Poverty.
Ano: 2010 URL: http://purl.umn.edu/99197
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A half-century of transformations in the brazilian rural scenario and the governamental action. Repositório Alice
NAVARRO, Z..
The purpose of this article is to associate the history of land in contemporary Brazil to government action, especially in relation to the most recent challenges when implementing its policies. The interpretation of Brazilian agrarian history is presented addressing the last fifty years, which is divided in five phases of ever-growing complexity. The first section highlights the crucial role of the modernization drive of the 1970s, a historical period when a new form of sociability became ingrained. Thereafter, the article presents some of the most notable changes in recent years, and calls attention to economic and productive aspects, although equally stressing the growing politicization of current debates about the future of rural Brazil. The last...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Rural governance challenges; Brazilian agrarian development; Contemporary Brazilian agrarian history; Capitalist sociability.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/handle/doc/904298
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