1,721,088 research outputs found
ECOSYSTEM SERVICESSolution for problems or a problem that needs solution?Workshop at Salzau Castle, northern Germany (near city of Kiel)May 13 - 15th, 2008
No full textTo assess goods and services, which are provided to people by nature, the concept of Ecosystem Services has emerged since the 1990s. Typically, they are divided into supporting, regulating, provisioning and cultural services. Due to the comprehensive consideration of various factors, the concept provides a valuable framework to define and analyze linkages and dependencies between natural and human systems. Nevertheless, practical applications, methods for qualification and quantification, models, indicators and the integration of additional system components are needed in order to apply and improve the concept of ecosystem services and to make it a useful tool for responsible management of natural resources.
The conference brought together scientists from different disciplines, experts in the field of ecosystem services, environmental managers and administrative board members to communicate, discuss and improve our knowledge about human-environmental relationships in the framework of ecosystem services.
Key note speakers
• Robert Costanza (University of Vermont – USA)
• Sven Erik Jørgensen (University of Copenhagen – Denmark)
• Rudolf de Groot (Wageningen University – Netherlands)
• Marion Potschin (University of Nottingham – United Kingdom)
• Walter Radermacher (Federal Statistical Office - Germany
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
Dispelling 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
Conference on Modelling Ecosystem ServicesMay 27-30, 2009Acaya, Lecce, Italy
No full textThe University of Salento (Italy), the University of Vermont (USA) and the Ecology Centre of the University of Kiel (Germany) are glad to invite you to participate in the Conference on Modelling Ecosystem services to enhance the understanding of ecosystem services in the context of management, restoration, and conservation, by using a modelling approach.
Conference site: www.mes2009.it
Human life is strongly dependent on the benefits that nature provide every day. Worldwide, these benefits are known as ecosystem services and they have been recognized very difficult to be duplicated.
Ecosystem services are severely threatened, mainly, because of:
1) the growth in the scale of human demand and, consequently, a mismatch between short-term needs and long-term societal well-being, and
2) a mismatch between the spatial-temporal scales of ecological processes, that support ecosystem services, and the institutional levels, where the decision are taken.
Since many questions remain unanswered about the workings of ecosystem services. The aim of the conference is to bring together well-known scholars and researchers to provide a broad discussion about the issue of modelling applied to ecosystem services in the context of socio-ecological landscapes for conservation, restoration, resource management and decision-making
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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