118,436 research outputs found
Acilius confusus Bergsten, 2006 in Bergsten & Miller 2006, sp.n.
No full textAcilius confusus Bergsten, 2006 in Bergsten & Miller 2006: 169 Paratype: 4 ♂. College Park / Md.[handwritten]IV.[typed]19[handwritten]54 // H.L. Dozier / Collector // [on red] PARATYPUS ♂ / Acilius confusus sp.n. / Bergsten, 2004 Conservation status: Good condition; pinned Paratype: 1 ♂. College Park / Md.[handwritten]10-26-48 / B.K.Dozier // IN Pond // [on red] PARATYPUS ♂ / Acilius confusus sp.n. / Bergsten, 2004 Conservation status: Good condition; pinned Paratype: 1 ♂. Columbus, O. / [handwritten] 11-4-21 / A.E.Miller // [on red] PARATYPUS ♂ / Acilius confusus sp.n. / Bergsten, 2004 Conservation status: Good condition; pinned Paratype: 1 ♂. College Park / Md.[handwritten]4.28[typed]19[handwritten]50 / B.K.Dozier // [handwritten] Pond // [on red] PARATYPUS ♂ / Acilius confusus sp.n. / Bergsten, 2004 Conservation status: Good condition; pinned Paratype: 1 ♂. College Park / Md.[handwritten]4.IV[typed]19[handwritten]54 // H.L. Dozier / Collector // f+f / in copula // [on red] PARATYPUS ♀ / Acilius confusus sp.n. / Bergsten, 2004 Conservation status: Good condition; pinned Paratype: 1 ♀. College Park / Md[handwritten].4.27[typed]19[handwritten]50 / [handwritten] B.K. Dozier // IN Pond // [on red] PARATYPUS ♀ / Acilius confusus sp.n. / Bergsten, 2004 Conservation status: Good condition; pinned Paratype: 1 ♀. MARYLANDCarolin / [handwritten] Henderson / [handwritten] 30 June 1983 / C. L. Staines, Jr. // ACILIUS / SEMISULCATUS Aube / det CLStaines.Jr. // [on red] PARATYPUS ♀ / Acilius confusus sp.n. / Bergsten, 2004 Conservation status: Good condition; right metaleg on card after third label; pinned Paratype: 1 ♀. Blue Hills, Mass // [handwritten] april14, 1917 / W. J.Clenck // Acilius / fraternus / Det. [handwrit- ten]1974 / W. L. Hilsenhoff // [handwritten] A. fraternus f. // [on red] PARATYPUS ♀ / Acilius confusus sp.n. / Bergsten, 2004 Conservation status: Good condition; pinned Paratype: 1 ♀. Blue Hills / Mass. [handwritten] 6april1916 / W.J.Clench // [handwritten] 2652 // [folded] ACILIUS / SEMISULCATUS / Aube / Det. FNYoung // Acilius / fraternus / Det. [handwritten] 1974 / W. L. Hilsenhoff // [on red] PARATYPUS ♀ / Acilius confusus sp.n. / Bergsten, 2004 Conservation status: Good condition; pinned Paratype: 1 ♀. College Park / Md.[handwritten]4.IV[typed]19[handwritten]54 // H.L. Dozier / Collector // [hand- written] circular / brick pond / in woods // [handwritten] f+f / in copula // [on red] PARATYPUS ♀ / Acilius confusus sp.n. / Bergsten, 2004 Conservation status: Good condition; pinnedPublished as part of Keller, Oliver, Schnepp, Kyle E., Ashman, Krystal L., Turnbow, Robert H. & Skelley, Paul E., 2020, An annotated catalog of the type material of Adephaga and Myxophaga (Coleoptera) deposited in the Florida State Collection of Arthropods in Gainesville, Florida, United States of America, pp. 1-118 in Zootaxa 4744 (1) on pages 34-35, DOI: 10.11646/zootaxa.4744.1.1, http://zenodo.org/record/369068
Incoltorrida benesculpta Perkins & Bergsten 2019, new species
No full textIncoltorrida benesculpta, new species Figs. 8 (habitus); 16, 20 (genitalia); 35 (map); 42, 43 (habitat) Type Material. Holotype (male): Fianarantsoa, 3.2km S Ambohimanjaka, 20º 14.0343’ S 47º 5.59145’ E, waterfall and hygropetric habitat near hwy. 7, elev. 1415 m, 5 xi 2014, P. D. Perkins (NHRS). Paratypes (19): Same data as holotype (13: NHRS, MCZ, BMNH, PBZT / MBC); Antsiranana, Sava, Mad.; Antsirana; Marojejy NP, 800m N from Camp I, Humbert waterfall; hygropetric; 14.4333S 49.773E; MAD 14-48, ex. bedrock pools at side of waterfall, elev. 550 m, 8 xi 2014, P. D. Perkins (MAD 14-48) (6 MCZ). Differential Diagnosis. Together with I. galoko the smallest known member of the genus (l/w ca. 1.85/1.05). The elytral costae are high and strong, and are more sinuate than in other species. The serial punctures are large and in sulcate grooves. The sculpture of the pronotum is similar to that of I. quintacostata, but I. benesculpta has a more distinct midlongitudinal carina in the basal half, and the sides of the pronotum in the anterior half are more arcuate. The elytra and the aedeagi of the two species are quite dissimilar. Description. Size: holotype (length/width, mm): body (length to elytral apices) 1.85/1.05; head width 0.40; pronotum 0.40/0.81; elytra 1.17/1.05. Dorsum black, venter dark brown, legs brown except femoral-tibial articulations and tarsi black. Sides of frontoclypeal shield slightly arcuate toward the midline, such that apical part is slightly wider than the width at midlength, and slightly narrower than the posterior area of the frons. Short oblique carinae on anterior 1/3 of pronotum are well developed, no indication of midlongitudinal carina. The basal 1/3 has a short carina on each side, and a very low narrow midlongitudinal carina. Elytron with eight strong high costae; fourth costa interrupted with strong punctures; fifth costa weakly bisinuate; sixth and seventh costae very indistinct. Serial punctures large and distinct. Sides of metaventral tabella more distinctively arcuate than in other species. Midlongitudinal groove in the posterior 1/2 of metaventral tabella gradually widens from posterior to anterior. Midlongitudinal carina of first abdominal ventrite strong and extends length of ventrite. Male genitalia very short, with the apical part narrowed and spinose (Figs. 16, 20). Etymology. Named in reference to the markedly sculptured pronotum and elytra.Published as part of Perkins, Philip D. & Bergsten, Johannes, 2019, New Myxophagan water beetles from Madagascar (Coleoptera: Torridincolidae, Hydroscaphidae), pp. 57-96 in Zootaxa 4657 (1) on pages 72-73, DOI: 10.11646/zootaxa.4657.1.2, http://zenodo.org/record/336980
Incoltorrida magna Perkins & Bergsten 2019, new species
No full text<i>Incoltorrida magna</i>, new species <p>Figs. 3, 4, 10 (habitus); 21 (genitalia); 36 (map); 40 (habitat)</p> <p> <b>Type Material.</b> Holotype (male): <b>Antsiranana</b>, Diana: Antsaba: Galoko mountains, 3.4 km NW from Anstaba, S13.60931 E48.72129, aspirator, forceps, sieves: hygropetric rocks and pools, elev. 296 m, 28 xi 2012, elev. 296 m, 28 xi 2012, J. Bergsten, R. Bukontaite, J.H. Randriamihaja & T. Ranarilalatiana (MAD12-31) (NHRS). Paratypes (36): Same data as holotype (1 NHRS); <b>Antsiranana</b>, Anjiabe Ambony: Ambilobe: Antsabe stairways-like cascade with vertical (!) steps, exposed, extremely hot day, N: -13.60930 E: 48.72120, elev. 303 m, 23 xi 2004, Balke <i>et al</i>. (P25 MD16) (35 BMNH, NHRS, MCZ, PBZT / MBC; 2 DNA extractions, #’s BMNH 670732, BMNH 670733).</p> <p> <b>Differential Diagnosis.</b> This is the largest known <i>Incoltorrida</i> species: l/w ca. 2.62/1.58. The elytral serial punctures are very distinct, as is the transverse ridge that links costae #5 and #8. The pronotum lacks the basal ridges seen in <i>I. quintacostata</i>, <i>I. benesculpta</i>, and <i>I. madagassica</i>. It is much larger than <i>I. marojejy</i> (2.62 vs. 2.19); <i>I. marojejy</i> lacks the pronotal midlongitudinal carina that is present in <i>I. magna</i>, and the frons plate is shaped differently in the two species. The male genitalia (Fig. 21) distinctively differ from that of the other species in the genus. See also the diagnosis of <i>I. madagassica</i>.</p> <p> <b>Description</b>. Size: holotype (length/width, mm): body (length to elytral apices) 2.62/1.58; head width 0.50; pronotum 0.55/1.12; elytra 1.78/1.58. Dorsum dark brown to black, venter brown to reddish brown, legs brown to reddish brown except tarsi and femoral-tibial articulations black.</p> <p>Frontoclypeal shield narrowest at anterior 1/3, with sides of frons slightly arcuate; apical 1/3 is slightly wider than area of frontoclypeal suture.</p> <p>Short oblique carinae on anterior 1/3 of pronotum are well developed; a midlongitudinal carina is present, though not as developed as the oblique carinae; the area posterior to the carinae is transversely rounded and shows no indication of ridges or depressions, except for a basal impression in front of scutellum.</p> <p>Elytra quite convex, declivity steep. Each elytron with eight wide and high costae; #4 continuous, not interrupted by punctures; #5 weakly bisinuate; #6 and #7 distinct, though crossed by transverse ridge that connects #5 and #8. Second transverse ridge links #3 and #5, in nearly same plane as the #5-#8 ridge.</p> <p>Posterior 1/2 of metaventral tabella without distinctive, closely spaced transverse grooves; midlongitudinal groove in posterior 1/2 of metaventral tabella narrow and parallel-sided.</p> <p>Midlongitudinal carina of first abdominal ventrite not especially strong and extends only 1/2 length of ventrite.</p> <p>Male genitalia in lateral view distinctively arcuate; in ventral view widest at about apical 1/4, and then narrowed, with tips pointing slightly outward (Fig. 21).</p> <p> <b>Etymology</b>. Named in reference to the relatively large size.</p> <p> <b>Remarks</b>. DNA sequences of partial CO1 (Acc. Nos. FJ819703 (BMNH 670732) and FJ819702 (BMNH 670733)) and partial 28S (FJ 818159 (BMNH 670732) and FJ818158 (BMNH 670733)) published by Monaghan <i>et al.</i> (2009) are based on adult specimens, and are available in Genbank.</p>Published as part of <i>Perkins, Philip D. & Bergsten, Johannes, 2019, New Myxophagan water beetles from Madagascar (Coleoptera: Torridincolidae, Hydroscaphidae), pp. 57-96 in Zootaxa 4657 (1)</i> on page 76, DOI: 10.11646/zootaxa.4657.1.2, <a href="http://zenodo.org/record/3369801">http://zenodo.org/record/3369801</a>
Wider slot in pens with fully slatted rubber mat flooring for fattening bulls: Effects on animal hygiene, health and welfare
No full textThis study investigated health and welfare of 119 Swedish fattening bulls when allowing wider slots in fully slatted rubber mats pens. On arrival Light bulls (around 120 ± 28 kg at 4.7 ± 1.3 mo of age) were allotted to 6 pens with fully slatted rubber mats, of which 3 Control pens had 30 mm slot openings and 100 mm slat width and 3 Test pens had 35 mm slot openings and 90 mm slat width. Reaching >400 kg (Heavy bulls), Control bulls were moved to 3 larger pens having 35 mm slot openings and 100 mm slat width and Test bulls to 3 pens having 40 mm slot openings and 100 mm slat width. Pens hosted 5–7 bulls. Bulls stayed in the same group (Control/Test), and were observed until slaughter (around 600 kg for 20.5 ± 2.1 mo). Total drainage area was 14% for Control and 18% for Test floors. Bull body condition, hygiene, locomotion and leg lesions were assessed on eight days during the 18 months study. At slaughter, hind feet were measured, trimmed, and evaluated for claw disorders. Two pens/floor were filmed during two 14-h sessions to monitor animal activities, social interactions, and lying postures. Wider slots did not affect body condition or hygiene on farm, although 3 Control and 1 Test bulls were penalised at slaughter for poor hygiene. Light bulls were dirtier than Heavy bulls, especially on thigh/flank areas. Bulls became dirtier in winter. Percentage of bulls showing locomotor problems was generally low and not affected by wider slots (1.09 vs. 0.91% for Control and Test bulls, respectively). Test bulls showed a slight tendency to develop more swelling on hock and carpus (0.55 vs. 3.18% for Control and Test bulls, respectively). Rubber mats did not cause toe overgrowth (mean dorsal wall of outer claw = 87.5 mm) and Test bulls showed lower prevalence of asymmetric claws (38.5 vs. 13.3% for Control and Test bulls, respectively). Interdigital hyperplasia and white line fissure were detected only in Control bulls. Outcomes of this study suggested that the 4%-unit increase in drainage area of fully slatted rubber mat floors did not impair bull behaviour, since few atypical transitions and lying sequences were recorded, or even improve flooring and animal hygiene. However, some limitations of the research require further investigations to provide evidence supporting the widening of slot openings in fully slatted rubber mat floors for fattening bulls’ welfare purpose
Learning to Teach Mathematics: Expanding the Role of Practicum as an Integrated Part of a Teacher Education Programme
No full textTeacher education programmes at tertiary educational institutions traditionally comprise three key strands—disciplinary studies, educational studies, and teaching practice.
The relevance of teaching practice, especially when student teachers are given the opportunity to pilot new didactic proposals they have contributed to develop, has been shown to be very high in different national teacher education contexts, even when the differences are significant in terms of structure, organization, and curriculum.
In the paper some interesting examples presented at the study conference of ways of working with and through practicum will be discussed. Some of these concern how the educational and motivational payoff of practicum can be increased by the choice of structure of the programme. In addition, theoretical tools related to practicum activities have been developed and integrated in the education. Examples of more specific practices are also presented, and some questions are raised concerning issues of cultural differences in relation to practicum.
Finally, some conclusions are drawn pointing to the expanding role of practicum as an integrated part of a mathematics teacher education programme
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe 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
Square Dancing with the Stars to Enhance Dynamic Hirschman Linkages?
No full textIn this Presidential Address, the author takes the reader on a reconnaissance of his life and time as a regional scientist. He points out scenery he found scintillating along the way, hoping that some may pick up the banner and chew on a few of the ideas for a while. He suggests a revisit to Albert O. Hirschman’s notion of key sectors and more empirical analysis related to Marcus Berliant’s and Masahisa Fujita’s notion of knowledge creation and transfer.Presidential Address, San Antonio, Texas, March 29, 2014 (53rd Meetings of the Southern Regional Science Association
Appropriate Similarity Measures for Author Cocitation Analysis
No full textWe 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
Letter from unknown writer to Jesse L. Boyce
No full textLetter to Jesse L. Boyce from unknown author (possibly Jack) about the investigation into the powder magazine located in the Grand Canyon. Some personal news is included in the letter such as the writer's marriage to the daughter of C.A. Taylor, former Supervisor of Cochise County
Dispelling the Myths Behind First-author Citation Counts
No full textWe 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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