1,721,123 research outputs found
The role of the "integrated production" scheme in the fruit and vegetable CMO
No full textThe new Common Market Organization (CMO) for the fruit and vegetable sector approved in 2007, continues to include sustainability and competitiveness among its most important goals. In this contest, the key role is played by Producer Organizations (POs): they help farmers to organize and to concentrate their supply, and to apply the best available growing, preserving and packaging technologies, in order to become more competitive but also sustainable from an environmental point of view. To this aim POs usually support also new production techniques like “Integrated Pest Management” (IPM) and “Integrated Production” (IP) by offering technical assistance to farmers. The main objective of IP schemes is to reduce the use of pesticides and therefore to reduce costs and to increase the environmental sustainability.
However, differently from the case of organic products, in the case of IP no EU regulation exists. The absence of this common standard has allowed regional authorities to introduce different definitions of IP. Moreover large retail chains often apply chain-specific requirements, based on the “idea” of IP and often also on regional IP scheme but always with quite important differences.
The actual result is that farmers producing vegetables and fruits must often apply, for the same product grown on the same farm, different technologies in order to obtain different certifications all based on the IP scheme but with quite different interpretations.
At the farm level, these different schemes imply a relevant increase in costs of production and commercialization, without generating any positive economic effect, on one side, and with a large degree of uncertainty in terms of impact on environmental sustainability of these production technologies.
Starting from the case of fruit production in Emilia-Romagna region, this paper discusses these negative implications together with the possibility for large retail chains to exercise some oligopsony power with respect to POs also using IP schemes. Few implications are drawn with respect to the potential benefits of a common IP scheme defined by EU regulation, and about the main characteristics that this certification should have
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Do direct payments efficiently support incomes of small and large farms?
No full textThis paper assesses how efficiently Common Agricultural Policy direct payments enhance farm incomes by applying a quantile continuous treatment effect model on the Italian Farm Accountancy Data Network sample. Adding to previous analyses, we show that income responses to direct payments are higher in large farms rather than in small farms and lower in farms benefiting from larger levels of support. This suggests that direct payments are not very efficient in supporting incomes of small farms and reducing the disparity existing within the farm population. Furthermore, results suggest that there is scope to reduce the amount of payments provided to highly supported farms
How can data monitoring and crop modelling support agricultural risk management solutions in climate change scenarios?
No full textDispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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