{"title":"METALES PESADOS EN EL BIVALVO ATRINA SEMINUDA (LAMARCK, 1819) (PTERIOIDA) EN DIFERENTES ESTADIOS DE MADURACIÓN GONADAL PROVENIENTES DE GUAYACÁN, VENEZUELA","authors":"M. Lemus, Aurelina Cortecía","doi":"10.24039/RTB2021191876","DOIUrl":"https://doi.org/10.24039/RTB2021191876","url":null,"abstract":"Heavy metals in male and female specimens of the bivalve Atrina seminuda (Lamarck, 1819) were evaluated. The organisms were collected from Guayacan, Sucre State, Venezuela. The concentrations Cu, Cd, Cr, Ni, Pb, Fe and Zn were determined in the tissues: gonad (G), muscle (M), hepatopancreas (H) and rest (R) by inductively coupled plasma emission spectroscopy (ICP-OES) coupled to a Perkin Elmer brand equipment. The gonadosomatic index (IGS) showed significant differences (Kw= 31.68; P < 0.01), showing its highest value in February (19.67 ± 0.43) and the lowest in June (13.26 ± 0.43). Metal concentrations showed significant differences between the analyzed tissues; showing in general a greater accumulation of metals in the H and R. Significant monthly variations of metals were shown in the tissues with the highest concentrations of Cu, Cd, Cr, Ni and Zn between April and May. The PCA analysis determines that IGS is associated with the incorporation of metals. These monthly variations in the metals analyzed can be explained by the bioavailability of these elements partly determined by the high levels of chlorophyll a, which is characteristic of the outcrop in the northeastern area of the country and by the variation in the reproductive cycle of the species studied.","PeriodicalId":77433,"journal":{"name":"The New biologist","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81902567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. A. C. Ch, J. Sotelo, Benjamin Barriga Gamarra, Julio Guevara Guevara, John Lozano Jauregui, Juan Lengua Arteaga, Gonzalo Solano
{"title":"ANÁLISIS PREDICTIVO DEL ALGORITMO PARA UNA PREVENCIÓN ÓPTIMA EN EL TIEMPO DE CORONAVIRUS (COVID-19) DURANTE LOS DÍAS DE CUARENTENA","authors":"J. A. C. Ch, J. Sotelo, Benjamin Barriga Gamarra, Julio Guevara Guevara, John Lozano Jauregui, Juan Lengua Arteaga, Gonzalo Solano","doi":"10.24039/RTB2021191878","DOIUrl":"https://doi.org/10.24039/RTB2021191878","url":null,"abstract":"This research explains the applications of the algorithm that was designed to provide statistical support for medical doctors. The support that was achieved from this research looks for an urgent interpretation of parameters such as the rate of infected people by COVID-19 and the rate of deceased people because of this virus. Furthermore, this research achieves prediction rates that were provided by a mathematical model that observes and adapts real statistical data from other countries, where governments are trying to find solutions against of COVID-19 propagation. It means, in order to get accuracy in prediction results, it was necessary to analyse what was the statistical behaviour from China and other countries that returned to normal activities as it was before virus imposed to confine population inside homes. On the other hand, it is summarized the virus problematic growth and some suggestions, how to avoid deep complications in health and economy of people (for instance, quarantine days as the main response to attenuate advance of this virus).","PeriodicalId":77433,"journal":{"name":"The New biologist","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83783714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. A. C. Ch, Julio Guevara Guevara, John Lozano Jauregui, Juan Lengua Arteaga, Gonzalo Solano
{"title":"ANÁLISIS TÉRMICO ÓPTIMO DE LA TRANSMISIÓN DEL CORONAVIRUS (COVID-19) DURANTE DÍAS DE CUARENTENA EN PERÚ","authors":"J. A. C. Ch, Julio Guevara Guevara, John Lozano Jauregui, Juan Lengua Arteaga, Gonzalo Solano","doi":"10.24039/RTB2021191879","DOIUrl":"https://doi.org/10.24039/RTB2021191879","url":null,"abstract":"In this research is analyzed COVID-19 transmission by thermodynamic and energy balance between geographic areas and its correlation with possible COVID-19 transmission between 2 persons at least. In order to achieve parameters for medical doctors, as for example the minimal distance among two infected people, who have this virus, there were designed mathematical models that were based in statistical data to get information of COVID-19 propagation as the dependence on temperature of geographic areas, moreover the thermal effect of the minimal distance between two people avoiding COVID-19 infection. With this work, answers are sought to the questions: if it could be possible to find a relation between temperature and virus transmission? Or if it could be possible to get a correlation variable among thermal variables with minimal distance separation (it was described above) for two people? Hence, it is waited answers to these questions owing to be support for medical doctors, who are trying to find solution against COVID-19 propagation. It is worth mentioning that this research can be extended to more complex areas such as street markets, street fair or enclosed marketplaces, where products and services are sold, moreover, not every area has an air conditioning system in Peru. Nevertheless, in this research it is achieved the technique, how to solve this task: to obtain appropriated ventilation parameters as the dependence on the minimal distance that people need to be separated, according to avoid virus transmission between each other. Furthermore, it is suggested some geometrical/material characteristics for air filters and ultraviolet (UV) disinfection at the entrance of the main air duct.","PeriodicalId":77433,"journal":{"name":"The New biologist","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76317572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"FERTILIZACIÓN COMO ESTRATEGIA DE MITIGACIÓN Y ADAPTACIÓN DEL CULTIVO DE MAIZ PARA FUTUROS CAMBIOS CLIMÁTICOS","authors":"Emerson Jaime-Huaman","doi":"10.24039/RTB2021191877","DOIUrl":"https://doi.org/10.24039/RTB2021191877","url":null,"abstract":"A modeling equation was carried out for climate changes in 2080 and 2099 under the fourth climate scenario proposed by the IPCC (Intergovernmental Panel on Climate Change) where a very high level of greenhouse gas emissions is assumed (RCP “Representative Concentration Pathway” 8.5); to predict the yield of corn production with low or no fertilization and high fertilization as a technique for adaptation and mitigation of the adverse effects of climate change. The percentage reduction in corn yield by 2080 with low or no fertilizer application is 30 to 55%, and with high fertilizer application it is 10 to 20%. Climate change would have negative impacts on future agricultural production and food security. Fertilization is one of the mitigation and adaptation strategies for corn cultivation in the face of climate change.","PeriodicalId":77433,"journal":{"name":"The New biologist","volume":"45 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84246733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
George Argota-Pérez, Josefa B. Pari-Olarte, F. R. Belli-Carhuayo
{"title":"NECESIDAD ANALÍTICA ANTE LA PROBABLE OCURRENCIA POR ANTIBIÓTICOS EN LA LAGUNA DE LA HUACACHINA - ICA, PERÚ","authors":"George Argota-Pérez, Josefa B. Pari-Olarte, F. R. Belli-Carhuayo","doi":"10.24039/RTB2020182832","DOIUrl":"https://doi.org/10.24039/RTB2020182832","url":null,"abstract":"La presencia de los antibioticos constituye una preocupacion ambiental. El proposito de la nota al editor fue indicar la necesidad analitica ante la probable ocurrencia por antibioticos en la laguna de la Huacachina-Ica, Peru. Desde el punto de vista fisico sobre la columna de agua se aprecia una inadecuada calidad y se desconoce, si el contenido quimico de su fango, aun conserva sus caracteristicas medicinales. Ante la posible ocurrencia de antibioticos en las aguas como del sedimento se comunica la trascendencia hacia una nueva configuracion analitica de su condicion ambiental.","PeriodicalId":77433,"journal":{"name":"The New biologist","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86670349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
George Argota-Pérez, Ramiro M. Yallico-Calmett, Grover Marín-Mamani, Rina Ma. Álvarez-Becerra, J. Iannacone, Carlos Córdova-Salas, Jorge L. Magallanes-Magallanes, C. Solano-Garcia
{"title":"HERMENÉUTICA DE LA OBSERVACIÓN MEDIANTE EVALUACIONES ESCRITAS PARA EL PLANTEAMIENTO DEL PROBLEMA DE INVESTIGACIÓN Y LA FORMULACIÓN AL PROBLEMA CIENTÍFICO","authors":"George Argota-Pérez, Ramiro M. Yallico-Calmett, Grover Marín-Mamani, Rina Ma. Álvarez-Becerra, J. Iannacone, Carlos Córdova-Salas, Jorge L. Magallanes-Magallanes, C. Solano-Garcia","doi":"10.24039/RTB2020182831","DOIUrl":"https://doi.org/10.24039/RTB2020182831","url":null,"abstract":"El proposito del estudio fue la hermeneutica de la observacion mediante evaluaciones escritas para el planteamiento del problema de investigacion y la formulacion al problema cientifico. El estudio se realizo durante febrero y marzo del 2020 en la Universidad Nacional ¨San Luis Gonzaga¨ Ica, Peru. Se aplico, 15 preguntas escritas a los docentes con referencias a los modulos: 1ro) investigacion cientifica con enfoque cualimetrico y produccion intelectual, y 2do) gnoseologia y epistemologia: argumentos en la investigacion cientifica. Mediante un muestreo probabilistico aleatorio se selecciono, 10 resultados individuales calificandose de 13 puntos como valor minimo y 20 puntos el valor maximo donde 15 puntos fue el promedio que se alcanzo. En el contraste de hipotesis, el valor de t tabulado fue -2,262 siendo menor a la t calculada (-7,67) rechazandose la hipotesis nula que, no hay dificultad en el reconocimiento del problema de investigacion y el problema cientifico (µ≥17). El error en el planteamiento del problema de investigacion fue de 60% mientras que, el 38% fue para la formulacion al problema cientifico. Las principales razones de analisis fueron: 1 ro ) la no sistematicidad (objeto de investigacion), 2 do ) examen no critico (heuristica) y; 3 ro ) las pocas verificaciones (comprobacion de hipotesis). Finalmente, las evaluaciones escritas indicaron la inconsecuente descripcion del objeto de investigacion y su influencia negativa para el planteamiento del problema de investigacion y la formulacion al problema cientifico.","PeriodicalId":77433,"journal":{"name":"The New biologist","volume":"91 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76217596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"ALGUNOS COCCINELLIDOS (COLEÓPTERA: COCCINELLIDAE) PREDADORES DE IMPORTANCIA ECONÓMICA EN EL DEPARTAMENTO DEL CUSCO, PERÚ","authors":"Abdhiel Bustamante-Navarrete","doi":"10.24039/RTB2020182801","DOIUrl":"https://doi.org/10.24039/RTB2020182801","url":null,"abstract":"El examen de cerca de 2500 especimenes de la familia Coccinellidae, presentes en la Coleccion Entomologica de la Universidad Nacional San Antonio Abad del Cusco, Peru, permitio determinar la presencia de 16 especies de conocidos habitos predadores de importancia economica, provenientes de 74 localidades en 40 distritos de las 13 provincias del departamento del Cusco. Las 16 especies se hallan distribuidas en 10 generos y 7 tribus, todas ellas dentro de la sub familia Coccinellinae Mulsant: Eriopis peruviana Hofmann, 1970, Eriopis andina Hofmann, 1970, Eriopis minima Hofmann, 1970, Paraneda pallidula guticollis (Mulsant, 1850), Cycloneda vandenbergae Gonzalez, Bustamante & Oroz, 2008, Cycloneda sanguinea (Linnaeus, 1763), Cycloneda dieguezi Gonzalez, 2018, Cycloneda arcula (Erichson, 1847), Hippodamia convergens (Guerin-Meneville, 1842), Hippodamia variegata (Goeze, 1777), Azya scutata Mulsant, 1850, Scymnus (Pullus) rubicundus Erichson, 1847, Hyperaspis festiva (Mulsant, 1850), Rodolia cardinalis (Mulsant, 1850), Parastethorus histrio (Chazeau & Fursch, 1974), Curinus coeruleus Mulsant, 1850. Se indica una diagnosis para cada especie, su distribucion en el departamento e imagenes de su habitus y aparato genital.","PeriodicalId":77433,"journal":{"name":"The New biologist","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88412610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"DIVERSIDAD Y ABUNDANCIA DE INSECTOS EN PAPA EMPLEANDO TRAMPAS DE COLORES EN CUSCO, PERÚ","authors":"Gretta Huamanrayme, Catherine Mamani, Jorge Curo-Miranda, Erick Yábar-Landa","doi":"10.24039/RTB2020182807","DOIUrl":"https://doi.org/10.24039/RTB2020182807","url":null,"abstract":"Se evaluo la diversidad de insectos asociados a un cultivo de papa en la comunidad de Huatta (Pisac, Calca, Cusco), Peru empleando trampas de colores blanco, amarillo, verde, rojo y azul. Las trampas fueron bandejas de plastico con agua y detergente colocadas en el interior de los cultivos para determinar el efecto del color de las trampas en las evaluaciones de las comunidades de insectos. Se hicieron dos evaluaciones, una en noviembre y otra en diciembre del 2019. Las identificaciones se hicieron hasta el nivel de familia. Los analisis realizados fueron: ANOVA multifactorial, ANOSIM, escalamiento multidimensional no metrico y SIMPER. Se encontraron diferencias estadisticas entre los colores evaluados y los indices de disimilitud. En total se colectaron 30 familias de insectos asociados al cultivo de papa. Las trampas de colores mostraron independencia en el numero de familias capturadas: amarillo 1.47, azul 1.36, rojo 1.35, blanco 1.32, verde 1.21. Se determino el porcentaje de contribucion de las familias colectadas para cada color de trampa. Collembola (10,94), Drossophilidae (9,75), Chrysomelidae (3,75), Phoridae (3,44) and Anthomyiidae (3,13) mostraron la contribucion mas importante en el analisis SIMPER. Se encontro alta correlacion positiva entre los colores blanco con amarillo, rojo y azul.","PeriodicalId":77433,"journal":{"name":"The New biologist","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88221910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rafael Armiñana-García, Damaris Olivera-Bacallao, Francisco Javier Lunar-Aguila, Rigoberto Fimia-Duarte, Pedro Ramos-Córdova, Lizandra Morales-Suárez, J. Iannacone, Manuel Cancio-Hernández
{"title":"CONOCIMIENTO DE ESCOLARES DE EDUCACIÓN SECUNDARIA DEL BÚFALO DE AGUA BUBALUS BUBALIS (LINNAEUS, 1758), COMO ESPECIE EXÓTICA INVASORA","authors":"Rafael Armiñana-García, Damaris Olivera-Bacallao, Francisco Javier Lunar-Aguila, Rigoberto Fimia-Duarte, Pedro Ramos-Córdova, Lizandra Morales-Suárez, J. Iannacone, Manuel Cancio-Hernández","doi":"10.24039/RTB2020182805","DOIUrl":"https://doi.org/10.24039/RTB2020182805","url":null,"abstract":"En la Investigación se propone mediante un sistema de talleres, vincular a los escolares de 8vo grado de la Educación Secundaria de la escuela “José Martí” enclavada en el poblado de Sagua la Grande en la provincia de Villa Clara, Cuba, al conocimiento de las Especies Exóticas Invasoras (EEI) y sus efectos indeseables a los ecosistemas vulnerables cubanos y a la salud humana y en particular de la especie Bubalus bubalis (Linnaeus, 1758), Búfalo de agua. Para el desarrollo eficaz de esta investigación, se emplean métodos del nivel teórico y empírico, para abordar el estudio multilateral del objeto de investigación. La investigación representa una manera novedosa de apropiarse de nuevos conocimientos sobre la especie B. bubalis por parte de los alumnos de 8vo grado que cursan estudio en dicha escuela. Con la aplicación de los instrumentos se pudo constatar que los alumnos poseen escasos conocimientos sobre el Búfalo de agua como EEI y sus efectos indeseables. Para mitigar las dificultadas detectadas se elabora el sistema de talleres, el cual fue sometido a criterios de expertos que lo valoraron de pertinente. La puesta en práctica de los talleres, constató los avances alcanzados por los alumnos en el conocimiento del Búfalo de agua, como EEI.","PeriodicalId":77433,"journal":{"name":"The New biologist","volume":"38 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86029109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Julián Yessid Arias-Pineda, S. Martin, Nédiker Stiven González-Castillo, Cristhian Camilo Castillo-Avila, J. Sánchez
{"title":"TRAMPAS EXPERIMENTALES PARA LA CAPTURA DE DECÁPODOS DE AGUA DULCE EN COLOMBIA","authors":"Julián Yessid Arias-Pineda, S. Martin, Nédiker Stiven González-Castillo, Cristhian Camilo Castillo-Avila, J. Sánchez","doi":"10.24039/RTB2020182773","DOIUrl":"https://doi.org/10.24039/RTB2020182773","url":null,"abstract":"Se describe el diseno de cuatro trampas evaluando su actividad para la captura de decapodos con especial enfasis en cangrejos, camarones y langostas de agua dulce, con el fin de comprobar su efectividad y estandarizar el metodo de colecta indirecta en Colombia. Se llevo a cabo una revision bibliografica, en la cual se encontraron aspectos relacionados a las trampas que en la actualidad se utilizaban para la recoleccion de todo tipo de crustaceos dulceacuicolas, en estos se genero un enfoque acerca de los diversos estudios realizados en pesca experimental retomando algunos aspectos metodologicos para llevar a cabo la construccion de las trampas, las cuales fueron: Trampa de cilindro modificada; Trampa tipo mochila-Martin; Trampa tipo canasta y Trampa tipo cono, estas se crearon y modificaron en el presente estudio. Para evaluar su efectividad, se realizaron diferentes pruebas en campo, como es, la eficiencia de recoleccion de cada trampa en una zona del cuerpo de agua, bien sea lentica o lotica, la ubicacion de estas, y la recolecta final; estas se realizaron tanto en las horas de la manana, tarde y noche en diferentes escenarios. Proponiendo asi, una estandarizacion respecto a los metodos de colecta indirectos en decapodos dulceacuicolas que contribuyen a estudios taxonomicos, biologicos, ambientales y distribucionales de cangrejos, camarones y langostas. Descripciones, fotos, y disenos son presentados. Los resultados de este trabajo contribuyen a posteriores estudios acerca de la biodiversidad y biologia de cangrejos, camarones y langostas, con enfasis en los de habitos dulceacuicolas. Respecto a la utilizacion de trampas, todas poseen una efectividad evidente, siendo importante tener en cuenta los tipos de cuerpos de agua donde se utilicen.","PeriodicalId":77433,"journal":{"name":"The New biologist","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82838012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}