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Shuja horei Gunther 1894, gen. et comb. nov.
No full textShuja horei Günther, 1894 gen. et comb. nov. Fig. 5 Chromis horei Günther, 1894: 630, pl. 58a. Tilapia horii Boulenger, 1899: 122. Tilapia fasciata tanganaicae Borodin, 1936: 29. Haplochromis horei – Trewavas 1946: 242. — van Oijen et al. 1991: 131. — Wamuini Lunkayilakio & Vreven 2010: 280. Tilapia fasciata tanganaicae – Trewavas 1946: 242. Ctenochromis horii – Greenwood 1979: 289–290. Ctenochromis horei – Poll & Gosse 1995: 229. — De Vos et al. 2001: 130, 132. — Kullander & Roberts 2011: 362, 369. — Konings 2015: 223; 2019: 237. Material examined Syntypes TANZANIA • 3 individuals; near Ujiji (Boulenger 1915), Lake Tanganyika; BMNH 1889.1.30.13 – BMNH 1889.1.30.15 (Fig. 5C). Additional material TANZANIA • 1 individual; Malagarasi River, Ilagala; 28 Jul. 2016; BMNH 2021.7.15.14 (Fig. 5B). Distribution Lake Tanganyika and proximate rivers.Published as part of Genner, Martin J., Hsu, Ling-Lan, Collins, Rupert A., Smith, Alan M., Saxon, Andrew D., Shechonge, Asilatu H., Ngatunga, Benjamin P. & Turner, George F., 2022, Revision of the African cichlid fish genus Ctenochromis (Teleostei, Cichliformes), including a description of the new genus Shuja from Lake Tanganyika and the new species Ctenochromis scatebra from northern Tanzania, pp. 23-54 in European Journal of Taxonomy 819 on pages 41-42, DOI: 10.5852/ejt.2022.819.1775, http://zenodo.org/record/654437
Ctenochromis pectoralis Pfeffer 1893
No full text<i>Ctenochromis pectoralis</i> Pfeffer, 1893 <p>Figs 6a–d, 7a–f, 8a–b</p> <p> <i>Tilapia pectoralis –</i> Boulenger 1899: 130.</p> <p> <i>Haplochromis pectoralis –</i> Regan 1922a: 685. — Jordan 1923: 219. — van Oijen <i>et al.</i> 1991: 161.</p> <p> non <i>Harpagochromis pectoralis –</i> Kaufman 1996: 1.</p> Material examined <p> <b>Lectotype</b> TANZANIA • Korogwe; 1888; F. Stuhlmann leg.; ZMH, ZMH402.</p> <p> <b>Paralectotypes</b> TANZANIA • 3 individuals; Korogwe; 1888; F. Stuhlmann leg.; ZMH403 1–3 • 1 individual; Korogwe; 1888; F. Stuhlmann leg.; BMNH 1899.2.27.1.</p> <p> <b>Additional material</b></p> <p> TANZANIA – <b>Ruvu River</b> (between Lake Jipe and Nyumba ya Mungu Reservoir) • 3 specimens; 14 Aug. 2015; M. Genner, A. Shechonge, A. Smith and B.P. Ngatunga leg.; BMNH 2021.7.15.1 – BMNH 2021.7.15.3.</p> Distribution <p>Pangani River system, specimens only known from the Korogwe, Nyumba ya Mungu Reservoir, and the Ruvu River (between Lake Jipe and Nyumba ya Mungu Reservoir).</p>Published as part of <i>Genner, Martin J., Hsu, Ling-Lan, Collins, Rupert A., Smith, Alan M., Saxon, Andrew D., Shechonge, Asilatu H., Ngatunga, Benjamin P. & Turner, George F., 2022, Revision of the African cichlid fish genus Ctenochromis (Teleostei, Cichliformes), including a description of the new genus Shuja from Lake Tanganyika and the new species Ctenochromis scatebra from northern Tanzania, pp. 23-54 in European Journal of Taxonomy 819</i> on pages 43-44, DOI: 10.5852/ejt.2022.819.1775, <a href="http://zenodo.org/record/6544372">http://zenodo.org/record/6544372</a>
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
Shuja Genner, Ngatunga & Turner 2022, gen. nov.
No full textGenus Shuja Genner, Ngatunga & Turner gen. nov. urn:lsid:zoobank.org:act: 7862EC4A-51D5-4535-98D5-650D6CC165A7 Type species Chromis horei Günther, 1894. Diagnosis Shuja gen. nov. can be diagnosed as a genus of haplochromine cichlid within the Tropheini. According to Takahashi (2003: 379), the Tropheini have “extensively granulated cycloid scales at midbody”, with the “granulations comprising irregularly arranged, variously shaped protrusions over almost entire exposed surface”. Shuja gen. nov. is the only representative of the Tropheini with a prognathous lower jaw, versus the retrognathus or isognathus jaw in other genera within the Tropheini (Table 2). Etymology The genus name is derived from the Swahili noun 'shujaa’, translated into English as 'brave person’ or 'warrior’, referring to the notable territorial behaviour of the males of this genus. Description One species in genus Shuja horei gen. et comb. nov. Species description, from original German text (Günther 1894: 630): “Dorsal fin 14 spines 8 rays, L. lat 28, L. trans. 4/9. Teeth bicuspid, cusps subequal, slightly tinged with brown; 28–31 each side of upper jaw outer series. Cheeks naked or few extremely thin scales. In specimen nearly 5 inches (12.70 cm) long eye diameter nearly equal to depth of soft part of cheek, a little less than width of preorbital and interorbital space, which is flat. Preopercular limbs at right angle. Body height less than length of head, and one third of total (without caudal). Last dorsal spine longest, two fifths of head length. Pectoral fin to, or nearly to, origin of anal fin. Caudal scaleless. Scales rough, some with margins ciliated. Body light greenish, with incomplete brownish cross-bands on upper part of body. Largest specimen cheek and snout with irregular deep brown spots. Soft dorsal and caudal fin with scattered ocelli; milky-white spot between last two anal rays.” In Shuja horei gen. et comb. nov. hypertrophied lips absent. Remarks Shuja gen. nov. belongs to Tropheini tribe of African cichlids, originally defined by Poll (1986). The diagnosis of Tropheini is the presence of “extensively granulated cycloid scales at midbody” (Takahashi 2003: 379). Our observations suggest such granularity of the flank/midbody scales in Tropheini is present in Shuja horei gen. et comb. nov., Gnathochromis pfefferi and Lobochilotes labiata, at least, but also small ctenii are present. These ctenii are sparse and largely restricted on the margins of this caudal edge of the scale. Viertler et al. (2021) report multiple species in the Tropheini with ctenoid scales on the central flank area. Further detailed work of all described species is needed to determine if the distribution of the granulation and ctenii on midbody scales is diagnostic of the Tropheini. Nevertheless, irrespective of morphological traits, the tribe is unambiguously monophyletic in genome-scale molecular phylogenetic analyses (Ronco et al. 2021), and endemic to Lake Tanganyika and immediate river systems. Within the tribe, Shuja gen. nov. is a monotypic genus and can be distinguished from other representatives of the Tropheini by the presence of a prognathous jaw (Fig. 5a–c), when all other described species in the Tropheini have a retrognathus or isognathus jaw (Table 2). These include Gnathochromis pfefferi, and representatives of Interochromis, Limnotilapia, Lobochilotes, Petrochromis, Pseudosimochromis, Simochromis and Tropheus (Table 2).Published as part of Genner, Martin J., Hsu, Ling-Lan, Collins, Rupert A., Smith, Alan M., Saxon, Andrew D., Shechonge, Asilatu H., Ngatunga, Benjamin P. & Turner, George F., 2022, Revision of the African cichlid fish genus Ctenochromis (Teleostei, Cichliformes), including a description of the new genus Shuja from Lake Tanganyika and the new species Ctenochromis scatebra from northern Tanzania, pp. 23-54 in European Journal of Taxonomy 819 on pages 40-41, DOI: 10.5852/ejt.2022.819.1775, http://zenodo.org/record/654437
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
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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