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Home range, habitat selection and activity of the red fox in a Mediterranean coastal ecotone
Get PDFRanging behaviour and activity of five (2 females, 3 males) red foxes Vulpes vulpes (Linnaeus, 1758) in the Mediterranean coastal area of Maremma Natural Park (central Italy; an area of great habitat diversity) are described. One female ranged over a very small area and had diurnal activity rhythms. For other foxes, home range size (100% minimum convex polygon) varied between 86 and 485 ha (larger than fox ranges in urban areas and smaller than in northern or homogeneous areas), and core areas (50% harmonic mean) between 4.0 and 13.7 ha. Habitat diversity within home ranges was significantly higher than that of the overall area. Within their home ranges, foxes selected scrubwood for resting. When active, they showed individual differences in habitat selection. Peak activity was between 20.00 h and 22.00 h, but foxes were active also during the day
The 77th galop [music] /
No full textFor piano.; Caption title.; "Most respectfully dedicated to Colonel Straton, C.B. and the officers of H.M. 77th Regt.".; Cover bears illustration of a military band playing in the Royal Botanic Gardens, Sydney with harbour view behind.; Cover illustration by S.T. Gill.; Publication date from G. Skinner (2011), 'Toward a general history of Australian musical composition: first national music, 1788-c.1860', Sydney Conservatorium of Music, p. 537 http://trove.nla.gov.au/work/81022028; Also available online http://nla.gov.au/nla.mus-vn4762804
Environmental factors influencing the use of habitat in the red fox, Vulpes vulpes (L., 1758)
No full textThe seasonal variation in habitat selection and its determinants were assessed weekly for a sample of three dog‐foxes and two vixens in an ecotonal area of the Tuscan coast, in Italy. The most utilized habitats were the maquis (scrubwood), meadows and pinewood. In the cold season the maquis was preferred to any other habitat, but in the warm months foxes made extensive use of meadows. On the other hand, no clear seasonal pattern of use was detectable for the pinewood. Food habits showed a seasonal variation: juniper berries were the staple food, forming by far the greatest part of the diet during the whole study, except in late spring through midsummer, when beetles and grasshoppers predominated. Availability indices for each main food category were calculated on a weekly basis. Distribution of juniper berries was found to be clumped, whereas insects were dispersed. It was also assessed that the former occurred almost entirely in the pinewood, while the latter inhabited mainly meadows and, to a lesser extent. the pinewood. Measures of fox activity in the three habitats were also taken. The fox diet correlated well to the seasonal abundance of the important food resources, which in turn was significantly correlated to meteorologic factors (temperature, number of rainy days). Surprisingly, the seasonal activity in the pinewood was inversely correlated to local food availability, i.e. juniper berries. This can be explained by the clumpedness of this food resource which, when abundant, allows foxes to become quickly satiated and to retreat to other, more preferred habitat such as the maquis. Such results caution against assuming that extensive time spent in a habitat is an indication of proportional feeding dependence on it. Copyright © 1991, Wiley Blackwell. All rights reserved
Are funding of pensions and economic growth directly linked? New empirical results for some OECD countries
No full textWe empirically test on a panel of OECD countries the hypothesis of a direct and positive link between funding of pensions and economic growth, which is based on the idea that richer pension systems can accelerate the development of the financial system and thus promote a more efficient capital allocation. We follow Davis and Hu (2008) in estimating a modified Cobb-Douglas production function where pension fund assets are treated as a shift factor, but in line with the recent econometric literature we control for common global shocks driving per capita outputs. Therefore we adopt a more general approach suitable to the presence of a multifactor error structure. The previous evidence of a long run cointegration relationship between autonomous (or total) pension fund assets and per capita output for our panel of OECD countries is not robust to our augmented specification
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Get PDF“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
Get PDFWe 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
Get PDFWe 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
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