1,721,009 research outputs found
Vocalizations of the Brazilian torrent frog Hylodes heyeri (Anura: Hylodidae): Repertoire and influence of air temperature on advertisement call variation
No full textLingnau, Rodrigo, Bastos, Rogério P. (2007): Vocalizations of the Brazilian torrent frog Hylodes heyeri (Anura: Hylodidae): Repertoire and influence of air temperature on advertisement call variation. Journal of Natural History 41 (17-20): 1227-1235, DOI: 10.1080/00222930701395626, URL: http://dx.doi.org/10.1080/0022293070139562
Figure 2 in Vocalizations of the Brazilian torrent frog Hylodes heyeri (Anura: Hylodidae): Repertoire and influence of air temperature on advertisement call variation
No full textFigure 2. Territorial call of Hylodes heyeri from the Municipality of Morretes, Parana´, Brazil. Recorded on 11 January 2002, at 22.4°C. (A) Power spectrum; (B) spectrogram; (C) oscillogram.Published as part of Lingnau, Rodrigo & Bastos, Rogério P., 2007, Vocalizations of the Brazilian torrent frog Hylodes heyeri (Anura: Hylodidae): Repertoire and influence of air temperature on advertisement call variation, pp. 1227-1235 in Journal of Natural History 41 (17-20) on page 1231, DOI: 10.1080/00222930701395626, http://zenodo.org/record/522895
Figure 1 in Vocalizations of the Brazilian torrent frog Hylodes heyeri (Anura: Hylodidae): Repertoire and influence of air temperature on advertisement call variation
No full textFigure 1. Advertisement call of Hylodes heyeri from the Municipality of Morretes, Parana´, Brazil. Recorded on 8 April 2002, at 21.7°C. (A) Power spectrum; (B) spectrogram; (C) oscillogram.Published as part of Lingnau, Rodrigo & Bastos, Rogério P., 2007, Vocalizations of the Brazilian torrent frog Hylodes heyeri (Anura: Hylodidae): Repertoire and influence of air temperature on advertisement call variation, pp. 1227-1235 in Journal of Natural History 41 (17-20) on page 1230, DOI: 10.1080/00222930701395626, http://zenodo.org/record/522895
FIGURE 6 in A new species of Sphaenorhynchus (Anura; Hylidae) from Brazil
No full textFIGURE 6. Holotype of Sphaenorhynchus caramaschii sp. nov. (CFBH 2222; adult male) in dorsal (A) and lateral (B) views of head; and ventral views of hand (C) and foot (D).Published as part of Toledo, Luís Felipe, Garcia, Paulo C. A., Lingnau, Rodrigo & Haddad, Célio F. B., 2007, A new species of Sphaenorhynchus (Anura; Hylidae) from Brazil, pp. 57-68 in Zootaxa 1658 on page 63, DOI: 10.5281/zenodo.17989
Figures 1–3 in Individual variation in the advertisement call of Aplastodiscus albosignatus (Anura: Hylidae) is correlated with body size and environmental temperature
No full textFigures 1–3. Location of the study area: (1) map of Brazil highlighting the state of Paraná; (2) map of Paraná indicating the study area; (3) map of Paraná highlighting the physiognomy of the vegetation.Published as part of Moser, Camila F., Schuck, Laura Kauer, Olmedo, Gabriela Morais & Lingnau, Rodrigo, 2022, Individual variation in the advertisement call of Aplastodiscus albosignatus (Anura: Hylidae) is correlated with body size and environmental temperature, pp. 1-8 in Zoologia (e21008) 39 on page 3, DOI: 10.1590/S1984-4689.v39.e21008, http://zenodo.org/record/822973
A new species of the Scinax catharinae group (Anura: Hylidae) from the Highlands of Santa Catarina, Brazil
No full textWe describe a new species of the Scinax catharinae group from the highlands of the State of Santa Catarina, southern Brazil. The new species is distinguished from the other species of the group for having a trapezoid interocular blotch, an externally distended vocal sac, hypertrophied forearms in males, and the extension of foot webbing on Toe V. This new species brings to 35 the number of species in the S. catharinae group, which stands as the most diversified endemic clade of Atlantic forest frogs. The discovery of a new, distinctive species in the southern section of the Atlantic Forest, where so far only five species of this clade were known to occur, indicates that we are far from a good understanding of the taxonomic diversity of this species group.Fil: Lourenço, Ana Carolina C.. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil. Universidade Federal de Minas Gerais; BrasilFil: Lingnau, Rodrigo. Universidade Tecnologia Federal Do Parana.; BrasilFil: Baptista Haddad, Célio Fernando. Universidade Estadual Paulista Julio de Mesquita Filho; BrasilFil: Faivovich, Julián. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental; Argentin
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
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