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Agroecologia e comunicação: matérias publicadas a partir do clipping da Embrapa Pantanal. Repositório Alice
MAIO, A. M. D. de..
De janeiro a 15 de setembro de 2008, a Embrapa Pantanal contabilizou em seu clipping 110 matérias publicadas ou veiculadas pela mídia sobre agroecologia e produção orgânica. Trata-se do segundo tema mais disseminado pela Unidade da Embrapa em Corumbá (MS), perdendo apenas para assuntos ligados à pesca. O resultado surpreende, considerando que dos 40 pesquisadores da Embrapa Pantanal, apenas um se dedica inteiramente à agroecologia. A contagem é observada a partir da perspectiva do agenda setting, hipótese da comunicação que considera que as pessoas vão dialogar sobre temas que são publicados pela imprensa. A agroecologia não ocupa lugar central nas discussões nacionais em função da divulgação pela mídia, mas entre o público que se interessa por...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Agroecologia; Comunicação; Mídia; Agroecology; Communication; Media.
Ano: 2008 URL: http://www.alice.cnptia.embrapa.br/handle/doc/812907
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Assessing Information Bias and Food Safety AgEcon
Conley, Dennis M.; Wade, Mark A..
Imperfect information can lead to market failure and be an external factor impacting managers of agribusiness firms. A matrix method approach to content analysis was conducted by independent judges based upon established typologies. Food safety articles from consumer publications were examined, and information received by consumers was found to be biased.
Tipo: Journal Article Palavras-chave: Food safety; Information bias; Consumers; Media; Food Consumption/Nutrition/Food Safety; Marketing; Q10; Q13; Q16.
Ano: 2008 URL: http://purl.umn.edu/53642
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Az élelmiszer-ipari vállalkozások környezeti teljesítménye és a pénzügyi eredmények AgEcon
Deak, Zsuzsanna; Hajdu, Istvanne.
Kutatásunk célja fényt deríteni arra, hogy a vállalkozások környezeti teljesítménye befolyásolja-e pénzügyi teljesítményüket, továbbá az, hogy milyen szerepet játszik ebben a média, hogyan változott az elmúlt időszakban a vállalkozások zöld erőfeszítéseinek megítélése? Megállapítható, hogy azokban a vállalkozásokban, amelyekben a média és a befektetők környezeti teljesítményüket kedvezően ítélik meg, magasabbak a megtérülési (ROE) mutatók, mint azokban, amelyeknek környezeti teljesítményét nem ítélik meg pozitívan. A magyarországi társadalomban a nem anyagi értékek iránti érzékenység és a környezettudatosság alacsony szintű. A társadalmi értékrendben alárendelt szerepet játszó környezetvédelmi gondolkozásra – reklámérték híján – a média mérsékelten hat. Ez...
Tipo: Article Palavras-chave: Környezet; Élelmiszeripar; Média; Imázs; Environmental; Food industry; Media; Environmental Economics and Policy; Marketing.
Ano: 2011 URL: http://purl.umn.edu/119945
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Communicating Climate Change: A Literature Review AgEcon
Parton, Kevin A.; Morrison, Mark.
For climate scientists, climate change is a problem that has a significant chance of having catastrophic environmental, social and economic consequences during the course of this century. In contrast, public opinion seems to regard with scepticism the pronouncements on climate change that emanate from the scientific community. Why the difference? This is what our research project was designed to examine. Or to put it another way: Assuming that the scientific information is correct, and that without a dramatic change in technology (and policy to promote such a change) there would be a significant risk of man-made, global catastrophe, what must be done to communicate this urgent issue to the public? We have approached the analysis of this problem by...
Tipo: Conference Paper or Presentation Palavras-chave: Climate change; Media; Scientists; Business; Government; The general public; Literature review; Environmental Economics and Policy; Marketing; Resource /Energy Economics and Policy; 1402.
Ano: 2011 URL: http://purl.umn.edu/100693
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Factors Influencing Selection of Information Sources by Cotton Producers Considering Adoption of Precision Agriculture Technologies AgEcon
Velandia, Margarita M.; Lambert, Dayton M.; Jenkins, Amanda; Roberts, Roland K.; Larson, James A.; English, Burton C.; Martin, Steven W..
Acknowledgements: The authors thank Cotton Incorporated and the Tennessee Agricultural Experiment Station for financial support
Tipo: Conference Paper or Presentation Palavras-chave: Information source use decisions; Precision Agriculture Technologies; Extension; Media; Private sources; Multivariate Probit; Teaching/Communication/Extension/Profession; Q12; Q16.
Ano: 2009 URL: http://purl.umn.edu/49326
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Factors Influencing the Selection of Precision Farming Information Sources by Cotton Producers AgEcon
Jenkins, Amanda; Velandia, Margarita M.; Lambert, Dayton M.; Roberts, Roland K.; Larson, James A.; English, Burton C.; Martin, Steven W..
Precision farming information demanded by cotton producers is provided by various suppliers, including consultants, farm input dealerships, University Extension systems, and media sources. Factors associated with the decisions to select among information sources to search for precision farming information are analyzed using a multivariate probit regression accounting for correlation among the different selection decisions. Factors influencing these decisions are age, education, and income. These findings should be valuable to precision farming information providers who may be able to better meet their target clientele needs.
Tipo: Journal Article Palavras-chave: Extension; Information-source-use decisions; Media; Multivariate probit; Precision agriculture technologies; Private sources; Farm Management; Teaching/Communication/Extension/Profession.
Ano: 2011 URL: http://purl.umn.edu/117779
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Impact of Changes in Dietary Preferences on U.S. Retail Demand for Beef: Health Concerns and the Role of Media AgEcon
Miljkovic, Dragan; Mostad, Daniel.
The objective of this study is twofold: first, to determine if, in the long run, health concerns affect the retail demand for beef in the United States via changes in consumer dietary preferences, and second, to establish if media coverage of popular diets (media frenzy) causes the change in retail demand for beef or if it simply reports the facts about the changes in consumer dietary preferences. Data used in the analysis are the quarterly retail demand index for beef and the number of newspaper articles and magazine features on low-fat/low-cholesterol and low-carb diets published in the United States between 1990:I and 2004:IV. Johansen’s (1991, 1995) cointegration method and vector error correction (VEC) model-based Granger causality test were used in...
Tipo: Journal Article Palavras-chave: Beef demand; Cointegration; Granger causality; Health concerns; Media; Vector error correction; Consumer/Household Economics; Food Consumption/Nutrition/Food Safety.
Ano: 2005 URL: http://purl.umn.edu/59684
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Impact of Changes in Dietary Preferences on U.S. Retail Demand for Beef: Health Concerns and the Role of Media AgEcon
Miljkovic, Dragan; Mostad, Daniel.
The goal of this study is twofold: to determine if in the long run health concerns affect, via changes in consumer dietary preferences, the retail demand for beef in the United States and to establish if media coverage of popular diets (media frenzy) causes the change in retail demand for beef, or if it simply reports the facts about the changes in consumer dietary preferences. Data used in the analysis are the quarterly retail demand index for beef and the number of newspaper articles and magazine features on low-fat, low-cholesterol and low-carb diets published in the United States between 1990:I and 2004:IV. Johansen's cointegration method and vector error correction (VEC) model based Granger causality test were used in the long-run and short-run...
Tipo: Conference Paper or Presentation Palavras-chave: Health concerns; Media; Demand for beef; Cointegration; VEC; Granger causality; Food Consumption/Nutrition/Food Safety; D12; Q13.
Ano: 2005 URL: http://purl.umn.edu/19487
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Macropropagation and micropropagation of Ziziphus spina-christi. Repositório Alice
ASSAREH, M.H.; SARDABI, H..
Christ's thorn (Ziziphus spina-christi (L.) Desf.) is a cross-pollinated plant with a wide range of genetic variability in nature and, for this reason, vegetative propagation assumes importance for improvement programs. The objective of this work was to evaluate cutting, T budding and tissue culture methods for this species. Shoots of 22-25 cm length were treated by two culture media and three shoot diameters for cutting trial. The T budding treatments consisted of three and five collection dates in spring and autumn, respectively. Tissue culture nodal segments bearing axillary buds were removed from shoots of mature trees at different seasons. Experiments to determine the best disinfectant chemical, appropriate conditions and materials to prevent phenolic...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Cutting; T budding; Tissue culture; Media; Estaquia; Borbulhia; Meio nutritivo; Estação do ano.
Ano: 2005 URL: http://www.alice.cnptia.embrapa.br/handle/doc/115446
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Organics, trust, and credibility: a management and media research perspective Ecology and Society
Rittenhofer, Iris; School of Business and Social Sciences, Aarhus University; iri@bcom.au.dk; Povlsen, Karen Klitgaard; Department of Aesthetics and Communication, Aarhus University; karenklitgaard@hum.au.dk.
Our purpose was to qualify the relations between trust, credibility, and the field of organics by way of creating a dialogue between two independent Organic Research, Development and Demonstration Programme “MultiTrust” subprojects. Both projects explore the explanatory value of trust and credibility for the success of organic labels in the fields of management research and media research. Our key objectives were to critically scrutinize the trust and credibility constructs applied in each of these two fields, to reflect on their explanatory value in the performance of organics from both a management and media perspective, and to set out an agenda for future interdisciplinary research. We conclude that relations between organic...
Tipo: Peer-Reviewed Reports Palavras-chave: Credibility; Customer; Management; Media; Organic food; Organic labels; Trust.
Ano: 2015
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The life span of theront stages of Cryptocaryon irritans in different media, temperature and salinity OAK
Chu, Kua Beng; Seng, Leong Tak; Yong, Wong See; Thye, Chuah Toh; Veloo, Palanisamy.
Study on the in vitro survival of the theront stages of Cryptocaryon irritans in different nutrient media, temperature and salinity showed that these three factors could influence then- life span. Theront of C. irritans had a longer mean life span in HBSS (62.40±23.02 hrs) and BBSS (46.64 ± 13.29 hrs) compared to control seawater medium (29.23 ± 6.81 hrs). The shortest mean life span was obtained from the MEME non-essential ammo acid medium ranging from 0.45 to 0.83 hrs. Out of 9 media, only 2 media (HBSS and BBSS) managed to prolong the life span of theront compared to the other 7 media (MEME, MEME non-essential amino acid, L-15 with 5% serum, L-15 with 10% serum, tissue homogenate (gills, scale & mucus, fin and muscle). Tukey HSD analysis showed that...
Palavras-chave: Cryptocaryon irritans; Theront; Fish protozoan; Temperature; Media; Salinity.
Ano: 2001 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/139
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The work of the media in whale strandings OMA
Noël, L..
The stranding of sperm whales at the Belgian coast in November 1994 attracted the general attention of the media. Excessive shows of passion often encountered in other parts of the world when cetaceans die, were not observed. An examination of the articles which appeared in the press shows that the event was merely treated as a major, but common news item. Priority was given to the daily developments. The work of the authorities and that of the scientists were given similar status as the anecdotic aspects. The importance given to controversies regarding the management of the situation must be stressed. The media did not go deeply into the biology of sperm whales, the stranding that occurred abroad, or the various hypotheses that were discussed. How could...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Environment; Environment; Media; Stranding.
Ano: 1997 URL: http://www.vliz.be/imisdocs/publications/303630.pdf
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Uma sonda de calor transiente controlada por computador para medir fluxo de fluido em meios porosos. Repositório Alice
GOMIDE, R. L.; JORDAN K.A.; SLACK, D.C..
Uma sonda de calor transiente controlada por computador foi desenvolvida para medir fluxo em meios porosos. O sistema e operado automaticamente com o auxilio de uma placa de computador e basicamente composto de um sensor do tipo sonda-termistor, uma fonte de corrente eletrica constante de dois niveis, um conversor de sinal analogicos para digital, um transistor de efeito de campo e um conjunto de amplificadores operacionais. A sonda e alternadamente comutada entre dois modulos de operacao, alta e baixa potencia. Um programa foi desenvolvido para solicitar ao usuario os tempos para controlar o termistor e permitir os registros de identificacao do local, data, horario e dados para posicoes especificas da memoria. Os principios, a concepcao, a montagem e o...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Sonda; Calor; Transiente; Fluido; Fluxo; Meios porosos; Automacao; Transient; Heat; Fluid; Flow; Porous; Media; Automation.
Ano: 1998 URL: http://www.alice.cnptia.embrapa.br/handle/doc/480270
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Which Consumers Are Most Responsive to Media-Induced Food Scares? AgEcon
Payne, Collin R.; Messer, Kent D.; Kaiser, Harry M..
In understanding decreases in demand after exposure to media-induced food scares, aggregate data are almost exclusively presented without taking into consideration potential confounding variables. However, a better approach may be to use an experimental design coupled with targeting homogeneous willingness-to-pay (WTP) subgroups based on similarities in behavioral, psychological, and demographic characteristics of those who are most vulnerable to food scare information. This is accomplished through experimental economics and an analysis strategy called a classification and regression tree (CART). A stigma framework—which guides conceptual understanding of effects of media-induced food scares—suggests controlling contextual variables to better approximate...
Tipo: Journal Article Palavras-chave: Food scare; Media; Classification and regression tree; Mad cow disease; Stigma; Marketing.
Ano: 2009 URL: http://purl.umn.edu/59231
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