bluuebunny/crossref_metadata_2025 huggingface dataset:
No. 11, November 2022: Insights from Co-Designed English Learner Improvement Networks
Authors: Kaminski Linda , Lavadenz Magaly , Armas Elvira , López Grecya
Published: October 2022

This research brief presents a case study of an English Learner Improvement Network (ELIN), a group of educators focused on a shared problem of practice in English Learner education and supported through extensive collaboration between researchers and practitioners in English Learner education and Improvement Science. The case study involves an urban school district and a charter organization each serving between 50-80% of students who have ever been English Learners. The research brief identifies five key themes that contribute to knowledge of the English Learner Improvement Networks’ ability to support English Learner improvement: (1) Expert Partnerships Support Improvement; (2) Context Impacts Improvement; (3) Smaller Steps Lead to Larger Changes; (4) Collaborative Coaching Counts; and (5) Teacher Leaders Support Implementation. This ELIN is highlighted as a model of a systemic and coherent approach to educational improvement for ELs through the extensive collaboration provided in English Learner content and Improvement Science process.
Using images to enliven scientific articles
Authors: Hubbe Martin A. , Millan Adriana
Published: October 2022

This editorial considers the use of images as a way to enhance the readability and possibly the impact of scientific writing. Readers are asked to envision effective scientific writing as a form of storytelling. Some stories can be enhanced by adding a diagram or a step-by-step procedure. Inherently dull results might be enlivened (in a cautious manner) with a non-typical graphical portrayal. A potentially tedious theoretical point might be lightened with a touch of humor, which might seem out of place if it were expressed in text. Keep these options in mind as you are creating your next story, i.e., your next research article.
The scenario of healthcare sector during covid-19 pandemic in Bangladesh: service perspectives
Authors: Miah Md Rukon , Nisha Shaidaton , Shaheeduzzaman Md , Shikder Rony , Rahman Md Nahian
Published: October 2022

The study investigated the scenario of the healthcare sector during the COVID-19 pandemic. A survey questionnaire was developed to collect 203 respondents. A five-rating Likert Scale and open-ended questions were applied to collect data from respondents. A non-probability convenience type sampling technique was applied to collect respondents’ opinions about COVID-19 effects on healthcare. Due to the coronavirus pandemic, people maintain lockdown, isolation, and social distance for their health concerns. By maintaining lockdown, people lose their jobs, which create a negative impact on their income and expense capabilities. During pandemic periods, patients were less likely to visit hospitals for their treatment. Patients are preferring home treatment due to the corona pandemic. Patients are taking telehealthcare services because of fear of infection by the coronavirus. The research paper provides applied guidelines for patients, doctors, nurses, and pharmacy technicians to adjust to the current pandemic situation and any future pandemic situations. The findings of this study influenced doctors to provide telehealthcare services to patients. The research paper is one of the first in Bangladesh that has been supported by an intact research area, providing pragmatic proof regarding the belongings of the scenario of the healthcare sector during the COVID-19 pandemic.
Dental aesthetics and fluoridation: thematic typification of researches
Authors: Bortolo da Cruz Mariângela Guanaes , Capel Narvai Paulo
Published: October 2022

Water fluoridation is a public health tool that protects against dental caries, however its correlation with dental aesthetics is not known. Through an integrative review in the scientific publication Medline database, there were 115.856 articles when the term "Aesthetics" was searched. Specifying the searches, only 5 articles were found that related the impact of fluoridation on teeth. Despite the importance of analyzing possible contributions of water fluoridation to dental aesthetics, no specific article was found. The main hypothesis is the methodological difficulties to assess the correlation between water fluoridation and oral aesthetics.
EXTERNAL DAMPHER SYSTEM OF THE SALIENT POLE SYNCHRONOUS MACHINE
Authors:   National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Peremohy Ave., 37, Kyiv, 03056, Ukraine, Vaskovsky Yu.M. , Tatarinov K.M. ,   National Technical University of Ukraine Igor Sikorsky Kyiv Polytechnic Institute, Peremohy Ave., 37, Kyiv, 03056, Ukraine
Published: October 2022

A comparative analysis of the characteristics of the salient pole synchronous machine for two variants of the rotor damping system design was performed by mathematical modeling methods. In the first embodiment, a traditional (internal) damping rotor system is used, which is made of electrically conductive rods immersed in the surface of the poles. In the second em-bodiment, the external damping system of the rotor is made in the form of conductive sheets fixed to the surface of the poles. It is noted that the external damping system of the rotor provides better asynchronous characteristics and is characterized by more uniform heating, which reduces the thermomechanical loads of structural elements. This design increases the reliability of the machine not only in the event of short-term asynchronous modes of operation, but also in the event of uneven air gap between the stator and rotor, which usually occurs during long operation of high-pole synchronous machines, such as hydro generators. References 10, figures 6.
THE STUDY OF CONTROL PRINCIPLES OF THE SWITCHED RELUCTANCE PUMPING EQUIPMENT DRIVE WITH CYCLIC LOAD
Authors:   Institute of Electrodynamics National Academy of Sciences of Ukraine, pr. Peremohy, 56, Kyiv, 03057, Ukraine, Mazurenko L.I. , Bibik O.V. ,   Institute of Electrodynamics National Academy of Sciences of Ukraine, pr. Peremohy, 56, Kyiv, 03057, Ukraine, Shykhnenko M.O. ,   Institute of Electrodynamics National Academy of Sciences of Ukraine, pr. Peremohy, 56, Kyiv, 03057, Ukraine
Published: October 2022

The electromechanical water supply system of a multi-storey building based on a switched reluctance motor is considered. A simulation model of the hydraulic network and criteria for evaluating the quasi-steady modes effectiveness of pumping equipment are given. A study of a centrifugal pump operational and energy characteristics has been carried out when adjusting its rotational speed to determine the frequencies at which the compliance of the pump pressure and flow with the hydraulic network requirements is ensured. Simulation models of control systems have been developed that provide the switched reluctance motor speeds at levels corresponding to specified flow rates of the hydraulic system pumping equipment, by means the phase voltage pulse-width regulation or the phase current limitation level adjustment. Comprehensive studies and comparative analysis of the switched reluctance centrifugal pump drive control principles were carried out according to the criteria for evaluating energy efficiency when regulating the rotational speed and changing the switching angles. As a result of this study, it was found that both pumping unit drive control principles provide its necessary productivity and are close in efficiency - a slightly higher efficiency can be achieved using the phase voltage pulse-width regulation of the switched reluctance motor with a changing the switching angles. References 10, figures 8.
Efficacy of Acceptance and Commitment Therapy on Psychological Health and Inflexibility among Mothers of Children with Cerebral Palsy
Authors: Olayinka-Aliu Damilola Adepeju
Published: October 2022

Caregiving may be a burden to the Psychological Health (PH) of mothers of children with Cerebral Palsy (CP). However, little attention is given to psychotherapeutic intervention in managing mothers caring for such children in Nigeria. This study, therefore, investigated the efficacy of Acceptance and Commitment Therapy (ACT) among mothers of children with CP accessing therapeutic outpatient services at Federal Psychiatric Hospital (FPH) Lagos, Nigeria. This research follows a quasi-experimental type with pre-test, post-test plans, and control group. Accordingly, 30 people were selected through volunteered sampling among mothers of children with CP accessing therapeutic outpatient services at child/adolescent unit of Federal Psychiatric Hospital. Then, they were randomly placed into two groups of 20 (experimental and control) each and evaluated using research tools. Research tools consisted of Acceptance and Action Questionnaire (AAQ-II) and Cerebral Palsy Psychological Health Scale (CPPHS) whose reliability and validity have been confirmed in previous studies. Research data were analysed using the analysis of covariance (ANCOVA). The statistical analysis confirmed the difference in the components of psychological health and acceptance level/psychological flexibility in the experimental group, which had received acceptance and commitment therapy compared to the group that had not received any therapy in this regard (control group) (p<.05). The ACT had significant effect on Psychological Health {F (1.36) =7.94} after controlling for severity of illness and parental knowledge. Participants in experimental group improved in their Psychological Health when compared with those in control group {t(38) = 3.20}. Acceptance level/ psychological flexibility of the mothers improved after intervention with a decrease in pretest mean score (= 31.60) to posttest mean score (= 24.10). Acceptance and commitment therapy improves psychological health
Work Motivation and Psychological Well-Being on Teacher Performance at Perguruan Alkhairaat, Palu, Indonesia
Authors: Muhammad Muhammad , Syahid Achmad
Published: October 2022

The UNESCO ranking (2016) and BAN S/M accreditation data show that the quality of Indonesian education is still low, and this is triggered by the quality of its teachers. It is predictable that approximately 1500 schools and 70 thousand teachers owned by Perguruan Alkhairaat in Palu, Central Sulawesi, Indonesia, also play an important role in the education process, especially in Central and Eastern Indonesia. The study aims to prove the influence of work motivation and psychological well-being on the performance of teacher at Perguruan Alkhairaat. This study uses a quantitative approach with 210 teachers. The sampling technique used is a non-probability sampling technique, namely accidental sampling. The teacher’s performance measurement tool uses the Teacher’s Job Performance Self-Rating Questionnaire (TJPSQ) developed by Amin et al. (2013), the work motivation measurement tool uses The Motivation for Teaching Scale developed by Abos et al. (2018), while the psychological measurement tool well-being using Psychological Well-Being Scales (PWBS) developed by Ryff (1989). The result of the research significance value is .000 (P < .05) meaning there is a significant influence between work motivation and psychological well-being on the performance of teacher at Perguruan Alkhairaat. The results of the regression analysis test showed that R Square .282 or 28.2% showed the large influence of work motivation and psychological well-being on the teacher performance at Perguruan Alkhairaat.
AAP Pediatric Coding Newsletter
™ November 2022 Quiz (Online Exclusive)
Authors:   American Academy of Pediatrics
Published: October 2022

Quiz for AAPC Continuing Education Units
Effects of the Core Training Program on Functional Movement Screen, Skill Performance, Competitive State Anxiety, and Trait Sport-Confidence of College Football Players
Authors: Kim Namsu , An Dojin
Published: October 2022

OBJECTIVES The purpose of the present study was to investigate the effects of a core training program on functional movement screen, skill performance, competitive state anxiety, and trait sport confidence of college football players.METHODS College football players were divided into core training (n=25) and control (n=16) groups. Core training was conducted for a total of 12 weeks of 2 sessions per week with 50 minutes per session. Pre, mid (6 weeks), and post (12 weeks) tests measured functional movements, and skill performance such as dribbling, agility, speed, momentum and competitive state anxiety, trait sport-confidence. For analysis of study results, descriptive statistics, and two-way ANOVA with repeated measures were used.RESULTS The study results showed overall improvements for the core training group in functional movement test scores, skill performance, and competitive state anxiety, trait sport-confidence. In addition, the core training group also showed significant improvement in the total factors, except for hurdle step, and rotary stability.CONCLUSION In conclusion, data shows a core training program improves functional movement screen scores, skill performance, competitive state anxiety, and trait sport-confidence of college football players.
What is a Repetitive Concussion in Sports?
Authors: Koh Jae Ok
Published: October 2022

OBJECTIVES 운동선수는 경기에 참여하는 동안 반복적으로 뇌진탕을 겪게 되는 특이한 상황에 놓여 있다. 하지만 이러한 반복적 뇌진탕 노출이 선수의 경기력과 은퇴 이후 건강에 부정적 영향을 미칠 위험이 높지만, 선수나 스포츠협회에서는 이에 대한 인지가 매우 미미한 실정이다. 따라서 본 리뷰의 목적은 스포츠에서 반복적으로 발생하고 있는 뇌진탕 문제를 해결하고자 이에 대한 기초정보를 알아보고, 뇌진탕 감소 전략을 위한 방안을 알아보는데 있다.METHODS 본 리뷰에서 활용한 연구 방법은 비체계적 문헌고찰(narrative review) 형식을 적용하였다. RESULTS 스포츠 관련 뇌진탕의 정의, 증상 및 증후, 2차충격증후군(second-impact syndrome), 뇌진탕에 따른 장기 후유증, 뇌진탕 감소와 안전모 착용 효과, 뇌진탕 후 스포츠로의 안전한 복귀를 위한 적절한 시점 등을 알아보았다.CONCLUSIONS 스포츠 현장에서 반복적으로 발생하고 있는 뇌진탕에 대한 인식부족과 이에 따른 선수 안전과 건강 이상 가능성에 대한 문제를 살펴보았다. 이를 해결하기 위한 방안으로 뇌진탕 감소 전략이 제안되었고, 뇌진탕 손상과 관련하여 선수, 코치, 부모 그리고 관련 스포츠 단체에서의 지속적인 관심이 요구되며, 뇌진탕 관련 기초 역학(epidemiology) 및 뇌 건강에 미치는 영향에 관한 연구가 절실히 필요해 보인다..
ANÁLISE SOBRE O CORPO NOS ANAIS DO CONGRESSO BRASILEIRO DE CIÊNCIAS DO ESPORTE (CONBRACE)
Authors: Baptista Tadeu João Ribeiro , Gama Augusto César Vilela , Lima Marisa Mello de , Brito Jaqueline Cordeiro de
Published: October 2022

O debate sobre o corpo tem sido constante em uma série de campos do conhecimento, principalmente na Educação Física. No Brasil, este debate foi intensificado a partir dos anos de 1980, momento em que o campo da Educação Física começa a se aproximar das ciências humanas. Neste campo, o Colégio Brasileiro de Ciências do Esporte (CBCE), e o seu principal evento, o Congresso Brasileiro de Ciências do Esporte (CONBRACE), apresentou as pesquisas de seus participantes por meio dos Grupos de Trabalhos Temáticos (GTTs) a partir de 1997. Portanto, o objetivo desta pesquisa é analisar as concepções de corpo presentes nos anais do CONBRACE, no período de 1997 a 2017. Esta pesquisa é quanti-qualitativa por meio de análise documental, com características bibliométricas. Para compor a análise dos dados, a busca e seleção dos textos se deu a partir da presença da palavra “corpo” no título do texto, no resumo ou nas palavras-chave das comunicações orais. Os resultados demonstram que as principais concepções de corpo estão relacionadas às de corpo cultural; corpo existencial; corpo organismo/máquina; corpo sujeito/corporeidade; e corpo identidade/simbólico, com uma forte aproximação deste debate com as perspectivas das ciências humanas, sociais, a filosofia, e as artes em todo o período investigado. Em conclusão, este estudo analisou e apresentou variadas tendências, as quais, apenas a realidade e a história como critérios de verdade poderão confirmar.
Determination of stoichiometry deviation in wide-band II-VI semiconductors on the basis of equilibrium vapor phase composition
Authors: Kobeleva S. P.
Published: October 2022

A method of determining stoichiometry deviation in cadmium and zinc chalcogenides that is based on the temperature dependence of the ratio of components partial pressures during evaporation of solid compounds in a limited volume has been suggested. The new method differs from methods implying the collection of excessive component during evaporation in large volumes. The method includes measuring vapor phase components partial pressures during material heating to above 800 K, solving a set of material balance equations and the electric neutrality equation, and calculating the stoichiometry deviation in the initial compound at room temperature. Intrinsic point defect concentrations are calculated using the method of quasichemical reactions. The independent variables in the set of equations are the sought stoichiometry deviation, the partial pressure of the metal and the concentration of free electrons. We show that the parameter of the material balance equation which determines the method’s sensitivity to stoichiometry deviation, i.e., the volume ratio of vapor and solid phases, can be considered constant during heating and evaporation unless this parameter exceeds 50. If the partial pressure is measured based on the optical density of the vapors, then the sensitivity of the method can be increased to not worse than 10-6 at.%.
Development of a mobile autonomous solar power plant for the needs of agriculture
Authors: Tokmoldin S. Zh. , Klimenov V. V. , Girin D. V. , Chuchvaga N. A. , Aimaganbetov K. P. , Kishkenebaev M. P. , Tarakanova S. N. , Tokmoldin N. S.
Published: October 2022

The method of mathematical modeling was used to calculate the temperature distribution in bifacial solar cells. It has been established that the differences in the configurations of the photovoltaic generator lie only in the fact that in a double-sided element, a greater outflow of heat comes from the back side. At the same time, bifacial solar cells demonstrate increased generation of electrical energy. The calculations performed confirm the validity of the choice in favor of two-sided solar cells, which is important when using the developed configuration of a photovoltaic generator. Based on the analysis of the technologies available on the market for photovoltaic conversion of solar energy into electricity, a configuration of a photovoltaic generator based on bifacial heterojunction silicon solar panels was developed. The developed configuration is a moving platform with a photovoltaic system installed on it, equipped with a light flux collection system.A 2-axis servo system has been developed for the general case of flat mounting of solar modules. The drive with a travel range of 350 mm is installed in the north-south direction, 450 mm — east-west. The task was to find the right shoulder to ensure symmetry and the maximum angle of rotation along the axis. As a result, solutions were determined for the north-south and east-west directions.In addition, on the basis of a microcontroller, a circuit diagram of a device was developed that provides a given control algorithm for a solar tracker. Also, the scheme includes a GPS/GLONASS module to obtain the exact coordinates of the installation location and time synchronization.
The possibilities of multi-angle spectrophotometry for determining the parameters of films on single-layer structures
Authors: Kozlova N. S. , Levashov E. A. , Kiryukhantsev-Korneev Ph. V. , Sytchenko A. D. , Zabelina E. V.
Published: October 2022

Single-layer Ta-Si-C-N films on fused quartz substrates were made by direct current magnetron sputtering. The structural perfection of the film was investigated by X-ray diffraction analysis, scanning electron microscopy and optical emission spectroscopy of glow discharge. The optical parameters of the films were determined by the method of multi-angle spectrophotometry. Spectral dependences of the transmission coefficients of substrates and structures at normal light incidence in the wavelength range of 200—2500 nm are obtained. It is shown that the transmission spectrum of the sample has an oscillating character, which is caused by interference phenomena characteristic of layered structures. Spectral dependences of the reflection coefficients of films and substrates in the wavelength range of 200—2500 nm at small angles of incidence of light are obtained. By the magnitude of the difference between the reflection coefficient at the maximum of the interference of the film and the corresponding reflection coefficient of the substrate at the same wavelength, it is shown that the absorption in the film is low. A formula is obtained for determining the absorption coefficient of a film from the measured parameters. Based on the experimental data obtained, spectral dependences of the absorption coefficients of the substrate, structure and film are constructed. The method of reflection at two angles of incidence, based on the determination of the position of the interference extremes on the spectral dependences of the reflection coefficients, calculated discrete values of the refractive coefficients in the wavelength range 400—1200 nm. The obtained values are approximated by the Cauchy equation. The film thickness was calculated, which was d = 1046 nm ± 13%. Spectral dependences of the film attenuation indices with and without reflection are constructed. A summary table is presented with the obtained values of the refractive coefficients and absorption indices with and without reflection.
Deep purification of tellurium, zinc and cadmium for use in electronic devices
Authors: Abryutin V. N. , Davydova E. V. , Egorov M. A. , Maronchuk I. I. , Sanikovich D. D.
Published: October 2022

A combined method of profound purification of Cd, Zn and Te developed by the Authors and allowing one to produce high-purity materials in a vertical reactor unit has been considered. The method includes the following processes: filtration refinement of metal alloy with the possibility of its vacuum degassing and additional purification through an oxide layer; first distillation with the possibility to use gettering additions in the melt and gettering filters; melt degassing with the removal of highly volatile impurities to the condenser in rough vacuum; second distillation and metal casting for weighed quantities. The Authors have developed and produced a test model of the unit for the experimental profound purification of metals using the method developed herein. Physical experiments have been conducted for obtaining 99,9999 wt.% purity Cd, Zn and Te for 30 residual impurities with a product yield of at least 55%.
Metodología de manejo de Rhynchophorus palmarum L. 1758 (Coleóptera: Curculionidae) a base de cairomonas, feromonas y semioquímicos en plantaciones de chontaduro [Bactris gasipaes (Arecales: Arecaceae)] en Riosucio, Caldas
Authors: Rodríguez Currea Héctor Jaime , Marulanda López Jhon Faber , Amaya Cristian
Published: October 2022

Los altos niveles poblacionales de R. palmarum en plantaciones de chontaduro representan la principal limitante para el rendimiento de este cultivo. Con base en lo anterior, el objetivo de este trabajo fue evaluar el trampeo de R. palmarum como una alternativa al uso indiscriminado de insecticidas de síntesis química como control convencional para esta plaga. El diseño de la trampa consistió en un galón de 20 l con ventanas laterales para el acceso de los insectos, al interior presentaba cascara de piña y caña de azúcar fermentadas independientemente en agua y melaza por tres días; los dos semioquímicos trabajan por separado en viales de 30 ml con dos orificios de 1 mm; se usó la feromona Rhynchophorol C con la finalidad de aumentar el número de capturas. Se recolectaron 3126 individuos adultos de R. palmarum. Las colectas se asocian principalmente a la estimulación del sistema endocrino del insecto en cuestión por parte de los semioquímicos. Así pues, los insectos en el momento de la llegada y estadía en la trampa por ecología química liberan feromonas de agregación y se potencian las capturas. Estos resultados, a su vez, ostentan una perspectiva en el manejo de esta importante plaga de primer orden a partir de un trampeo inocuo para el medio ambiente, económico y por ende acorde a las necesidades actuales de los agricultores. Finalmente este diseño de trampa no requirió insecticidas de síntesis química para su funcionamiento, por lo tanto se reducen los costos para el agricultor y los riesgos al ecosistema.
Murciélagos de Villavicencio (Meta, Colombia): evaluación preliminar de su diversidad trófica y servicios ecosistémicos
Authors: Sánchez Francisco
Published: October 2022

En el Piedemonte llanero confluyen las regiones de los Andes y orinoquense, motivo por el cual es rico en biodiversidad; aunque aún faltan inventarios para la mayoría de las localidades. La información sobre la diversidad funcional y servicios ecosistémicos en sitios como Villavicencio (Meta, Colombia), que han sufrido intensos procesos de modificación del paisaje, es limitada. Se revisó la información publicada y disponible sobre los murciélagos de Villavicencio, hallando una alta diversidad taxonómica; se han encontrado al menos 62 especies de seis familias. Con base en el listado de especies, se infirió que todos los grupos tróficos conocidos para los murciélagos están representados en Villavicencio. El número de especies por grupo fue de: 22 frugívoros; 19 insectívoros aéreos; 6 omnívoros; 5 nectarívoros; 2 hematófagos; 1 piscívoro y 1 carnívoro. Lo anterior, sugiere que al menos entre frugívoros e insectívoros hay un número considerable de posibles redundancias ecológicas, lo que debe ayudar a la resiliencia de los ecosistemas del municipio. La mayoría de las publicaciones sobre murciélagos de Villavicencio se relacionan con su taxonomía, sistemática y evolución; no se encontraron publicaciones sobre su diversidad funcional o los servicios ecosistémicos que prestan. La notable degradación de los ecosistemas naturales de Villavicencio sugiere que han ocurrido extinciones locales de especies de murciélagos, por lo que se evaluaron las posibilidades para su conservación y los estudios que serían recomendables para lograr dicho propósito. Se resalta, particularmente, algunas especies con alta tolerancia a las perturbaciones y que deben estar brindando sus servicios ecosistémicos al día de hoy.
El bosque de Bavaria (Villavicencio, Meta), revisitado: nuevos registros añadidos a la lista general de especies (LEPIDOPTERA: RHOPALOCERA)
Authors: Salazar E. Julián Adolfo , Nielsen Gregory , Pacl Vaclav
Published: October 2022

Este trabajo pretende ampliar el listado de mariposas diurnas que habitan en Bavaria, un sector de piedemonte ubicado en la vertiente este de la Cordillera Oriental, en el departamento del Meta, mediantes recientes registros de géneros y especies que no se conocían para el lugar. Lo anterior permite afirmar que dicha región es la mejor muestreada en mariposas de toda la Cordillera Oriental alcanzando un total de 473 especies.
Enfermedades en viveros comerciales de Musa AAB ‘Dominico Hartón’ en el departamento de Caldas, Colombia
Authors: Viveros Folleco Yohana Maritza , Guzmán Piedrahita Óscar Adrián , Villegas Estrada Bernardo
Published: October 2022

La propagación vegetativa de plátano (Musa AAB Simmonds) mediante cormos o plántulas infectadas ha sido la principal responsable de la diseminación de problemas fitopatológicos. Por ello, el objetivo de este estudio fue identificar las enfermedades presentes en cormos y plántulas de viveros comerciales de plátano (Musa AAB) ‘Dominico Hartón’ en el departamento de Caldas, Colombia. Los muestreos se realizaron en cinco viveros: dos ubicados en el municipio de Chinchiná, y los demás en los municipios de Risaralda, Neira y Victoria. En cada vivero se recolectó el 10% de las plántulas y se les diagnosticó las enfermedades ocasionadas por nematodos, bacterias, virus y hongos en los laboratorios de Fitopatología y Nematología de la Universidad de Caldas. En las plántulas y en los cormos, de cuatro de los cinco viveros estudiados, se extrajeron e identificaron nematodos de los géneros Radopholus, Meloidogyne y Helicotylenchus, mientras que el género Pratylenchus se encontró en un solo vivero. En los viveros de Chinchiná se encontró la bacteriosis causada por Dickeya chrysanthemi con 8% de incidencia, y el rayado del banano - Banana streak badnavirus con 20% de incidencia. En los diferentes órganos de la planta solamente se encontraron enfermedades fungosas en las hojas como las sigatokas negra y amarilla, con 28 y 11% de incidencia, respectivamente, y las manchas foliares ocasionadas por los hongos Cordana spp. y Colletotrichum spp., con incidencia menor a 5%. Los anteriores resultados demostraron que el material de siembra comercial de plátano Dominico Hartón contaminado está contribuyendo a la diseminación de estos problemas fitosanitarios, amenazando los cultivos de musáceas de esta región y del país, debido al daño que ocasionan en los tejidos de las plantas y las pérdidas en rendimiento.
Dietas vegetales en el desarrollo larval de dos especies de Morpho (LEPIDOPTERA: NYMPHALIDAE, SATYRINAE, MORPHINI) en cautiverio, en Iquitos, Loreto, Perú
Authors: Vásquez Joel , Peña Wenceslao , Correa Rocío , Palacios Juan José , Zárate Ricardo , Pinedo Julio , Bellido Juan José , Ramírez Juan José , Lamas Gerardo
Published: October 2022

Se determinó el efecto de dietas vegetales en el desarrollo larval de dos especies de mariposas diurnas en cautiverio en el Centro de Investigaciones Allpahuayo del Instituto de Investigaciones de la Amazonía Peruana (IIAP), Iquitos, Perú. Para evaluar sus ciclos biológicos se emplearon 20 larvas recién emergidas de cada una de las especies, de forma individual, y para examinar el efecto de diferentes dietas en su desarrollo larval se empleó un diseño completamente al azar, con dos tratamientos y diferentes repeticiones (n1 = 31 y n2 = 14). Se reporta que la dieta con el hospedero Arachis pintoi fue óptima para las especies Morpho menelaus occidentalis y Morpho helenor theodorus, que completaron sus ciclos biológicos respectivamente en 97,51±7,98 días (n = 15), con 75% de supervivencia, y 73,22±7,26 días (n = 14), con una supervivencia de 70%. M. helenor theodorus completó su ciclo biológico con su hospedero natural Platymiscium stipulare en 75,84±10,19 días (n = 10), siendo su ciclo biológico más prolongado y con supervivencia más baja (50%). Las plantas hospederas Vigna aff. candida y Desmodium adscendens no fueron favorables para las dos especies de Morpho, ya que las larvas murieron en el primer estadio. En M. helenor theodorus no existe relación entre el sexo y la dieta respecto a la longevidad (prueba Chi cuadrado). Las hembras vivieron en promedio 53,76 días y los machos 25,45 días.
Estacionalidad de escarabajos fitófagos (Coleoptera: Melolonthidae) en un robledal del nororiente de los Andes colombianos
Authors: Villalobos Moreno Alfonso , Pardo Locarno Luis Carlos , Cabrero Sañudo Francisco José
Published: October 2022

Objetivo: Realizar análisis sobre la estacionalidad de la familia Melolonthidae en un robledal aledaño al Parque Natural Regional Páramo de Santurbán, municipio de California, Santander, Colombia, del mismo modo, explorar el comportamiento de los gremios alimenticios encontrados en los muestreos. Alcance: Contrastar el hecho de que los Melolonthidae (y los diferentes gremios) sufren variaciones anuales que, en cierto modo, pueden estar relacionadas con diversos factores estacionales o ambientales. Metodología: Se usaron trampas de luz, carpotrampas con fruta y colecta manual dentro de un robledal aledaño al Parque Natural Regional Paramo de Santurbán, municipio de California, Santander, Colombia. Se realizaron análisis sobre la estacionalidad de los escarabajos de la familia Melolonthidae (Coleoptera: Scarabaeoidea), así como de los gremios alimenticios encontrados, mediante el uso de análisis multivariados (GLM) para establecer la correlación entre ellos, la familia, y los factores estacionales y biofísicos de la zona de estudio. Principales resultados: Se capturaron 1.152 ejemplares de la familia Melolonthidae pertenecientes a 16 géneros y 26 especies. Para la familia Melolonthidae, el promedio de temperaturas mínimas (tm), la precipitación acumulada (P) y la precipitación media (Pmed) explican un alto porcentaje de la variación tanto de la abundancia como de la riqueza de especies. Conclusiones: Los análisis estadísticos no muestran un efecto claro entre los factores que podrían influir sobre la riqueza y abundancia de los diferentes gremios alimenticios de Melolonthidae encontrados para la zona de estudio. A partir de los resultados obtenidos, el presente estudio abre la puerta a la exploración de los efectos causales destacados en los análisis, que podrían tener una gran importancia para la biodiversidad de los diferentes gremios de escarabajos Melolonthidae.
Sistemas silvopastoriles: alternativa en la mitigación y adaptación de la producción bovina al cambio climático
Authors: Buitrago Guillen María Eugenia , Ospina Daza Luis Alejandro , Narváez Solarte William
Published: October 2022

El deterioro de los recursos naturales y el calentamiento global generado por la mayor concentración en la atmósfera de gases de efecto invernadero (GEI) han puesto en riesgo la vida como se la conoce hoy en el planeta. La producción pecuaria y en mayor medida la producción bovina, contribuyen a la estabilidad socioeconómica de los países y a la calidad de vida de miles de personas. Objetivo: fundamentar la posición actual de la producción bovina como una actividad contaminante mundial, al generar dióxido de carbono (CO2), metano (CH4) y óxido nitroso (N2O) a través de la fermentación entérica, la producción de estiércol y la deforestación realizada para su extensión las cuales contribuyen con el cambio climático (CC), y analizar los argumentos que evidencian al sector ganadero como una oportunidad de mitigación y adaptación al CC a través de la aplicación de estrategias sostenibles de producción. Metodología: Se realizó una revisión de tipo documental. Conclusión: El aumento en la productividad animal haciendo uso efi ciente de los recursos naturales, es la estrategia más relevante en la adaptación y mitigación de los efectos del CC por parte de la producción bovina, y los sistemas silvopastoriles (SSP) se convierten en la herramienta fundamental para lograrlo.
Exigencias térmicas de Trigonospila unicaldasi (DÍPTERA: TACHINIDAE), parasitoide de Compsus sp. (COLEOPTERA: CURCULIONIDAE)
Authors: Soto Giraldo Alberto , Oliveira Hamilton
Published: October 2022

Objetivos: Determinar el periodo de duración de los estados de desarrollo de Trigonospila unicaldasi, bajo cinco regímenes térmicos distintos (18, 20, 22, 25 y 28 °C), usando a Compsus sp. como sustrato y calcular la temperatura base de desarrollo y los grados días acumulados (o constante térmica) para completar los estados de desarrollo del parasitoide. Alcance: Exigencias térmicas de T. unicaldasi. Metodología: Se determinó el tiempo de duración de los diferentes estados de desarrollo de T. unical dasi con la ayuda de un estereomicroscopio, hasta llegar a estado adulto. Los grados días se calcularon mediante el método de la temperatura media. Principales resultados: Los estados de huevo, larva 1, larva 2, larva 3, pupa y periodo de huevo a adulto de T. unicaldasi presentaron temperaturas base de 18,6; 19,2; 17,7; 19,1; 18,6 y 18,8 °C, respectivamente y constantes térmicas de 29,9; 14,5; 21,4; 16,3; 17,5 y 97,4 °D, respectivamente. Conclusiones: Se determinaron las exigencias térmicas de T. unicaldasi, nueva especie parasitoide de Compsus sp.
Record of Cletocamptus sinaloensis (COPEPODA: HARPACTICOIDA: CANTHOCAMPTIDAE) from the caribbean coast of Colombia
Authors: Fuentes Reinés Juan M. , Gómez Samuel , Dorado Roncancio Edgar F.
Published: October 2022

Objectives: to report the first record of C. sinaloensis for Colombia. Scope: to present a brief description of this material in order to support the identification of the newly found material. Methodology: Water samples were taken at Ciénaga Grande de Santa Marta Colombia using a 25 L bucket. Samples were filtered with a standard zooplankton net (45 μm mesh) and fixed and preserved in 70% ethanol. Harpacticoid copepods were separated with a brush. Dissected specimens and appendages were mounted in glycerine. The dissected appendages were photographed using a Kodak Easy Share C140 digital camera adapted to a compound microscope at a magnification of 1000X. Main results: Cletocamptus sinaloensis seems to be closely related to C. levis Gómez 2005, known from Brazil. The closeness of these species was assumed based on the general shape and number of setae of the mandibular palp (one-segmented with three setae), P2-P4 EXP3 and ENP2 with 5-5-4 and 3-3-2 elements respectively, length: width ratio of the caudal rami, and ornamentation of the anal operculum with two rows of strong spinules. Nevertheless, they can be separated by 1) the armature complement of the antennal exopod, 2) length of the exopodal lobe of the female P5, 3) relative length of the P3ENP, 4) number of setae on the female P6. Conclusions: The specimen from Colombia bears the diagnostic features of C. sinaloensis as originally described, but shows subtle differences in the length of P1ENP, shape of seminal receptacle and relative length of P6.
Experiencias del cultivo de la morera Morus alba. L., 1753 (ROSALES: MORACEAE) y su utilización en la alimentación de tilapia nilótica Oreochromis niloticus, Trew, 1984 (PERCIFORMES: CICHLIDAE) para programas de seguridad alimentaria en el trópico
Authors: Hahn von Hessberg Christine M. , Grajales Quintero Alberto , Grajales Hahn Sebastian
Published: October 2022

Objetivos: Considerar como una de las alternativas viables para la disminución de costos de alimento en los programas de seguridad alimentaria la utilización de plantas forrajeras comunes de zonas tropicales, en las dietas de los peces. Metodología: Se recopilaron las experiencias exitosas obtenidas por 20 años en la Estación Piscícola de la Universidad de Caldas, utilizando la morera (Morus alba) como planta forrajera y suministrada a la tilapia nilótica (Oreochromis niloticus) en fase de levante y engorde. Resultados: Se han obtenido crecimientos en estanques entre 0,6 a 1,2 g/pez/día con suministro de morera fresca y una conversión de 1,9 y la harina de hoja de morera incluida en alimentos balanceados dio como resultado un crecimiento promedio de 1,6 g/pez/día. Conclusiones: Se sugiere el suministro de las hojas de morera de manera fresca a los peces o incluir la harina de la hoja de morera seca en el alimento balanceado, lográndose un reemplazo de la torta de soya en un 4%, para producciones piscícolas campesinas o comerciales pequeñas.
Nuevos registros y datos de distribución de diez especies y cuatro géneros de élmidos (coleóptera: elmidae) para Colombia
Authors: González Córdoba Marcela , Zúñiga María del Carmen , Manzo Verónica , Granados Martínez Cristian , Panche Jeferson
Published: October 2022

Objetivos: Registrar la biodiversidad de Elmidae en Colombia, en especial en las zonas poco conocidas de las llanuras orientales. Proporcionar información geográfica, taxonómica y visual diagnóstica para los taxones encontrados. Metodología: Se revisaron 37 especímenes del Museo de Entomología de la Universidad del Valle (MUSENUV) y la Colección Entomológica del Programa de Biología de la Universidad de Caldas (CEBUC). A cada individuo se le extrajo el material genital y se montó para su identificación a nivel de especie con las revisiones taxonómicas disponibles. Resultados: Se encontraron las especies catalogadas en la subfamiliaElminae: Gyrelmis brunnea Hinton, G. maculata Hinton, G. rufomarginata Hinton, G. thoracica basalis Hinton, Hintonelmis delevei Hinton, H. opis Hinton, H. perfecta (Grouvelle), H. sul Hinton, Holcelmis woodruffi Hinton, Stegoelmis stictoides Spangler y Epodelmis sp. Conclusiones: Se registran por primera vez para Colombia los géneros Gyrelmis, Hintonelmis, Holcelmis y Epodelmis, representados en 10 especies y una subespecie y se amplía la distribución de Stegoelmis andersoni Spangler para el departamento del Putumayo en La Amazonía colombiana.
Small dung beetles of Colombia (Coleoptera Scarabaeoidea Aphodiinae) I: Preliminary catalog and key for registered species
Authors: Pardo Locarno Luis Carlos , Schoolmeesters Paul
Published: October 2022

The Small Dung Beetles (Coleoptera: Scarabaeidae: Aphodiinae), mostly saprophagous habits, are a group of wide global distribution, relatively diverse in the tropics, although they are little known and studied for their cryptic habits and complex taxonomy. Given the above and with a view to promoting its study, this research was proposed, inventory the Colombian species and provide taxonomic keys of the records found in the literature of the group. For the first case (catalog), multiple bibliographic sources were consulted, to a lesser degree some species and records were studied in the collection of the first author (Colección Familia Pardo-Locarno-CFPL-COL). Followed by the above, a taxonomic key was elaborated. The results covered 20 genera and 56 species of Aphodiinae for Colombia, providing a key at the level of tribes, genera and species. These results allow us to infer that the group could be poorly sampled and, therefore, be much more diverse than what is noted here, it is also expected that new studies will specify the distribution maps of the species, which are now very fragmentary.
Composición dietaria de dos especies del género andinobates (anura: dendrobatidae) en el bosque pluvial tropical en el departamento del Chocó, Colombia
Authors: Rivas Lucellis Maria , García Jhon Brayan , Rengifo Jhon Tailor
Published: October 2022

Objetivo: Determinar la composición dietaría de Andinobates en zonas de bosque pluvial tropical en el departamento del Chocó, Colombia, para incrementar el conocimiento de los Dendrobatidae en la región pacifica colombiana. Metodología: Se utilizó el método de relevamiento por encuentros visuales (VES); además se calculó el índice de importancia relativa, el índice de jerarquización y la diversidad trófica. Resultados: Se identificaron de acuerdo a la nomenclatura taxonómica un total de 140 individuos repartidos en dos phylum, tres clases y cinco ordenes, siendo el orden Hymenoptera el más abundante para las dos especies; por otro lado, no se predijeron más novedades tróficas. Conclusiones: Los índices permiten inferir que las especies estudiadas consumen una amplia variedad de invertebrados, por ello estas especies pueden ser especialistas o generalistas.
Anatomical disposition of the antebrachial digital flexor muscles in the white footed tamarin (Saguinus leucopus Günther, 1876)
Authors: Vélez García Juan Fernando , Duque Parra Jorge Eduardo , Aja Guardiola Santiago
Published: October 2022

flexor digitorum profundus muscles in the Saguinus leucopus. Methodology: Both thoracic limbs of ten specimens were dissected from superficial to deep; describing the shape, origin, insertion, innervation and arterial supply for these muscles. Main results: The flexor digitorum superficialis muscle originated in the medial epicondyle of the humerus and sent tendons for the digits II-V; and the flexor digitorum profundus muscle had a high development with six heads: two humerals (superficial and deep), one radial, one cubital, and two ulnar (superficial and deep), which form a single tendon that divides distally to the carpus in five tendons to go to each digit. Conclusion: These muscles in Saguinus leucopus are adapted to allow for an adequate grip onto the branches and trunks of the trees, and to release the cortex for the flow of the latex.
Registros de los hallazgos originales de peces dulceacuícolas de Colombia, entre 2010 y 2019.
Authors: Álvarez León Ricardo
Published: October 2022

Objetivos: Conocer los avances taxonómicos en peces de aguas dulces en el período 2010-2019, con base en la característica megadiversidad de la riqueza de especies de peces dulceacuícolas en Colombia. Alcance: Inventario de los peces dulceacuícolas adicionados a las listas conocidas en el país. Metodología: Se realizó una detallada y exhaustiva revisión del material biológico presente en colecciones personales, en museos y en centros de investigación, así como de los registros publicados entre 2010 y 2019. Principales resultados: Fruto de la búsqueda e investigación realizada, se registran 110 especies de peces dulceacuícolas nuevas para Colombia (América del Sur): (dos en 2010, 14 en 2011, cuatro en 2012, nueve en 2013, nueve en 2014, diez en 2015, tres en 2016, seis en 2017, nueve en 2018, una en 2019). Estas especies fueron descritas de las cuencas del Magdalena, Caribe, Orinoco, Cauca, Pacífico, Amazonas, San Juan, Catatumbo, y Atrato; en los ríos colombianos: Amazonas, Atrato, Catatumbo, Cauca, Magdalena, Orinoco, del Pacífico y del Caribe de Colombia. Las 110 nuevas especies registradas aquí pertenecen a 15 familias y 32 géneros que se encuentran en los departamentos de Amazonas (4), Antioquia (5), Boyacá (1), Caldas (4), Cauca (1), Casanare (1), Cesar (10), Córdoba (4), Chocó (5), Cundinamarca (2), Guainía (2), Guaviare (1), La Guajira (1), Huila (1), Magdalena (2), Meta (12), Nariño (3), Putumayo (3), Risaralda (2), Santander (27), Norte de Santander (6), Tolima (10), Valle del Cauca (1), Vaupés (1) y Vichada (1). Así mismo, las altitudes cubren un amplio rango pues fluctuaron entre 1 y 2.700 msnm. Conclusiones: En cuanto a las cuencas, es significativo resaltar la presencia de 62 especies en la cuenca del río Magdalena, que recorre el centro de país e incluye los territorios de 17 departamentos, lo cual sorprende por cuanto es una de las cuencas mejor conocidas y muestreadas. Las 110 especies (2010 - 2019) incluidas en este trabajo, aumentan significativamente el número oficial de especies nacionales y las adiciones confirman la macro-diversidad específica colombiana, particularmente en sus peces de agua dulce. Se resalta que el arduo trabajo de los grupos de investigación ha permitido conocer mejor las cuencas hidrográficas y los peces del país. Entre los factores que han influido positivamente en los hallazgos se encuentran la variedad de artes, métodos, las condiciones de muestreo, la exploración de nuevas áreas geográficas o el trabajo en lugares que hacía años no se visitaban.
Nuevos registros de pucciniales de Colombia, incluyendo Uredendo anthurii sp. nov. y Uromyces colombiana sp. nov.
Authors: Barrera Enriquez Vianey Paola , Salazar Yepes Mauricio
Published: October 2022

Objetivo: Describir e ilustrar siete nuevos registros de Pucciniales (royas) recolectados en Colombia. Metodología: La determinación taxonómica se realizó por medio de la observación morfológica y la medición de las distintas estructuras del hongo. Resultados: Se encontraron dos nuevas especies de royas, una del género Uromyces sobre Loranthaceae y la otra del género anamórfico Uredendo sobre Araceae; y cinco nuevos registros de especies para Colombia, Milesina murariae, Puccinia araguata, Puccinia verbeniphila, Uredo rubescens y Uromyces mulini. Las siete especies mencionadas fueron halladas en colecciones procedentes de los departamentos de Antioquia, Boyacá, Caldas, Chocó y Tolima y depositadas en el Museo Micológico de la Universidad Nacional de Colombia, Sede Medellín (MMUNM). Conclusión: Estos hallazgos contribuyen a mejorar el conocimiento de la biota de Pucciniales, su distribución geográfica y sus ciclos de vida.