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Pages: 221-229 To Cite This Article: Debbie Gail P. Genotiva and Cesar G. Demayo, Describing Symmetry in Brontispa longissima Wings Utilizing Symmetry and Asymmetry in Geometric Data (SAGE) Analysis
No full textBackground: Coconut Leaf Beetle Brontispa longgisima Gestro, 1885 is an economically significant pest that is not yet fully understood. Studying patterned variations of the left and right side parts or asymmetry of Brontispa longgisima could give us a picture of its mode of adaptation to different environments and its success as a pest, the ability to maintain developmental homeostasis. Objective: This study aimed to evaluate and quantify left and right variation patterns of Brontispa longgisima hind wings using the advanced geometric morphometric tool -Symmetry and Asymmetry in Geometric Data (SAGE). Results: Procrustes Analysis of Variance (ANOVA) revealed that individual variation and directional asymmetry were present in male and female populations in all sampling locations for wing shape and size, although slight fluctuating asymmetry was noted. Principal component analysis also showed that the movements of landmarks were localized only to landmarks 3, 4 and 14. Conclusion: Based on the results of this study, Brontispa longgisima hind wings have undergone lesser environmental or genetic perturbations because of the presence of directional asymmetry which by far, is genetically controlled. But based on individual variations of metasternum and wings, B. longissima is able to counterbalance the external pressures evidenced by shape variability of the studied traits
Species composition, diversity and community structure of mangroves in Barangay Fabio, Tagana-an, Surigao Del Norte, Philippines
No full text<p>Mangrove ecosystems serve a crucial environmental role in protecting coastlines from storms, floods, and erosion, and they aid as a breeding ground for many marine life. Mangrove forests are declining due to relentless anthropogenic activities. Thus, the assessment of mangrove species plays a crucial part in the upkeep and protection of the forest. This study aimed to determine species composition, diversity, and community structure of mangrove forests in Barangay. Fabio, Surigao del Norte using the line quadrat method. Results revealed that the area has very low diversity belonging to only three families, three genera, and three different species. Among the three other species, <i>Rhizophora apiculata</i> obtained the highest abundance. Results showed that the area is not diverse in terms of species composition and abundance, as shown by several indices of diversity.</p><p>This research article was published by the <a href="https://innspub.net/journal-of-biodiversity-and-environmental-sciences/">Journal of Biodiversity and Environmental Sciences | JBES</a></p>
Species composition, diversity and community structure of mangroves in Barangay Fabio, Tagana-an, Surigao Del Norte, Philippines
No full text<p>Mangrove ecosystems serve a crucial environmental role in protecting coastlines from storms, floods, and erosion, and they aid as a breeding ground for many marine life. Mangrove forests are declining due to relentless anthropogenic activities. Thus, the assessment of mangrove species plays a crucial part in the upkeep and protection of the forest. This study aimed to determine species composition, diversity, and community structure of mangrove forests in Barangay. Fabio, Surigao del Norte using the line quadrat method. Results revealed that the area has very low diversity belonging to only three families, three genera, and three different species. Among the three other species, <i>Rhizophora apiculata</i> obtained the highest abundance. Results showed that the area is not diverse in terms of species composition and abundance, as shown by several indices of diversity.</p><p><br><strong>published by the</strong> <a href="https://innspub.net/journal-of-biodiversity-and-environmental-sciences/"> <strong>Journal of Biodiversity and Environmental Sciences (JBES)</strong></a></p>
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
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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