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ARTÍCULOS CIENTÍFICOS: Envíos recientes

  • The Use of Facebook for Educational Purposes in EFL Classrooms 
    Espinosa Cevallos, Ligia F. (Academy publisher, 2015)
    The objective of this study is to analyze the possibility of blending conventional instruction with online instruction via a social networking website, Facebook, in EFL classrooms in order to motivate students and improve ...
  • The importance of soils in predicting the future of plant habitat suitability in a tropical forest 
    Zuquim, Gabriela; Costa, Flávia R.C.; Tuomisto, Hanna; Massaine Moulatlet, Gabriel; Figueiredo, Fernando O. G. (Kluwer Academic Publishers, 2019)
    Aims Assessment of the future of biodiversity under climate change has been based on climate-only models. We investigated the effects of including soil information when predicting future suitable areas for selected plant ...
  • The Generalized Arc Routing Problem 
    Aráoz, Julián; Fernández, Elena; Franquesa, Carles (Springer, 2017)
    This paper focuses on the generalized arc routing problem. This problem is stated on an undirected graph in which some clusters are defined as pairwise- disjoint connected subgraphs, and a route is sought that traverses ...
  • The Concept of Caloric Unequal Exchange and Its Relevance for Food System Analysis: The Ecuador Case Study 
    Ramos Martín, Jesús; Falconí, Fander; Cango, Pedro (Elsevier, 2017)
    The impact of food production patterns and food supply upon consumption patterns is usually explained by economies of scale and affordability. Less attention is given to food trade patterns and global insertion of economies ...
  • The complex evolutionary history of the tympanic middle ear in frogs and toads (Anura) 
    Pereyra, Martín O.; Womack, Molly C.; Barrionuevo, J. Sebastián; Blotto, Boris L.; Baldo, Diego; Targino, Mariane; Ospina Sarria, Jhon Jairo; Guayasamin, Juan M.; Coloma, Luis A.; Hoke, Kim L.; Grant, Taran; Faivovich, Julián (Nature Publishing Group, 2016)
    Most anurans possess a tympanic middle ear (TME) that transmits sound waves to the inner ear; however, numerous species lack some or all TME components. To understand the evolution of these structures, we undertook a ...
  • Tejido y educación ambiental en comunidades kichwas de Tena, Ecuador 
    Bacquet Pérez, Caroline Nicole; Batres Quevedo, Jorge Alejandro (Universidad Estatal a distancia - Vicerrectoría de Investigación - Centro de Investigaciones en cultura y desarrollo, 2018)
    Este artículo se originó en una experiencia con esas características: tejer animales amazónicos con mujeres kichwas, como una estrategia de educación y de conservación ambiental, sin encuadre educativo ...
  • A 12,700-year history of paleolimnological change from an Andean microrefugium 
    de Novaes Nascimento, Majoi; Laurenzi, Anne Gail; Valencia, Bryan G.; Van, Robert; Bush, Mark (SAGE Publications, 2018)
    We present a 12,6700-yr limnological history of Lake Miski, a high-elevation lake in a wet section of the Peruvian Andes. While many shallow Andean lakes dried up during the mid-Holocene, loss-on-ignition, magnetic ...
  • Systematics of Ecnomiohyla tuberculosa with the description of a new species and comments on the taxonomy of Trachycephalus typhonius 
    Ron, Santiago R.; Venegas, Pablo J.; Ortega Andrade, H. Mauricio; Gagliardi Urrutia, Giussepe; Salerno Dominguez, Patricia Elena (Pensoft Publishers, 2016)
    Ecnomiohyla tuberculosa is an Amazonian hylid of uncertain phylogenetic position. Herein DNA se- quences of mitochondrial and nuclear genes are used to determine its phylogenetic relationships. New sequences and external ...
  • Study of Some Simple Approximations to the Non-Interacting Kinetic Energy Functional 
    Salazar, Edison X.; Guarderas, Pedro F.; Ludeña, Eduardo V.; Cornejo, Mauricio; Karasiev, Valentin V. (John Wiley & Sons, 2016)
    Within the framework of density functional theory, a study of approximations to the enhancement factor of the non-interacting kinetic energy functional Ts[ρ] has been presented. For this purpose, the model of Liu and Parr ...
  • Statistical Modeling of the Methane Production from Slaughterhouse Wastes in Anaerobic Co-digestion 
    Guardia Puebla, Yans; Herrera Robledo, Miguel; Rodríguez Ponce, Yoandro; Rodríguez Pérez, Suyén; Pérez Cedeño, Manuel (SCIENCEDOMAIN international, 2017)
    A simplex-lattice mixture design and the surface response methodology (SRM) were used to modeling the methane production on the anaerobic co-digestion (AcoD) of three different substrates generated from slaughterhouses: ...
  • Salsa con coco: Retos ambientalistas, énfasis alimentario, y etno-ecología de las canciones bailables del Caribe 
    Garrido Pérez, Edgardo (Associação Nacional de Pós-Graduação e Pesquisa em Ambiente e Sociedade, 2015)
    La canción bailable es poco apreciada por el conservacionismo caribeño a pesar de su eficacia comunicativa. Se estudiaron 1200 canciones afro-caribeñas anotando la frecuencia y el contexto en que mencionan elementos ...
  • Vital Statistics of Chrysomya megacephala (Fabricius, 1794) (Diptera: Calliphoridae) under Different diets from Venezuela 
    Luzlexis Arias-Di Donato; Liria, Jonathan (Oxford University Press, 2016)
    The life history of an important forensic blowfly, Chrysomya megacephala (Fabricius) from Venezuela, was studied at 28 °C, 47% RH and 12 h photoperiod in laboratory under two protein substrates: beef liver and sardine. The ...
  • Women´s Empowerment in Ecuador: Differentiating the impact of two interventions 
    Ponce, Juan; Ramos Martín, Jesús; Intriago, Ruthy (John Wiley & Sons, 2019)
    This paper analyses the impact of two interventions on women's empowerment in Ecuador using an experimental design. Women's empowerment is operationalized by using two metrics: first, the participation of women in the ...
  • Deprivation, Healthcare Accessibility and Satisfaction: Geographical Context and Scale Implications 
    Cabrera Barona, Pablo; Blaschke, Thomas; Gaona, Gabriel (Springer, 2018)
    Indices explaining health phenomena are important tools for identifying and investigating health inequalities and to support policy making. Some of these indices are expressed at area-level, and the investigation of the ...
  • Species distribution modelling: contrasting presence-only models with plot abundance data 
    Gomes, Victor H.F.; D. IJff, Stéphanie; Raes, Niels; Salomão, Rafael P.; de Souza Coelho, Luiz; Almeida Matos, Francisca Dionízia; Castilho, Carolina V.; de Andrade Lima Filho, Diogenes; Cárdenas López, Dairon; Guevara, Juan Ernesto; Peñuela Mora, María Cristina (Nature Publishing Group, 2018)
    Species distribution models (SDMs) are widely used in ecology and conservation. Presence-only SDMs such as MaxEnt frequently use natural history collections (NHCs) as occurrence data, given their huge numbers and accessibility. ...
  • Demografía y transformación territorial: medio siglo de cambio en la región amazónica de Ecuador 
    Jarrín Valladares, Pablo Santiago; Tapia Carrillo, Luis; Zamora, Giannina (Universidade Estadual Paulista Júlio de Mesquita Filho- Departamento de Geografia- Núcleo de Estudos- Pesquisas e Projetos de Reforma Agrária, 2017)
    Una población numerosa puede favorecer el crecimiento económico (un bebé puede ser un futuro aportador de impuestos), generar oportunidades para la innovación tecnológica (un bebé puede ser un futuro genio e innovador) y ...
  • Conceptual and empirical advances in Neotropical biodiversity research 
    Antonelli, Alexandre; Ariza, María; Albert, James; Andermann, Tobias; Azevedo, Josué; Bacon, Christine D.; Faurby, Søren; Guedes, Thais; Hoorn, Carina; Lohmann, Lúcia G.; Matos-Maraví, Pável; Ritter, Camila D.; Sanmartín, Isabel; Silvestro, Daniele; Tejedor, Marcelo; ter Steege, Hans; Tuomisto, Hanna; Werneck, Fernanda P.; Zizka, Alexander; Edwards, Scott V. (PeerJ, 2018)
    The unparalleled biodiversity found in the American tropics (the Neotropics) has attracted the attention of naturalists for centuries. Despite major advances in recent years in our understanding of the origin and diversification ...
  • Comparison of six different methods to calculate cell densities 
    Camacho Fernández, Carolina; Hervás, David; Rivas Sendra, Alba; Marin, M. Pilar; Seguí Simarro, Jose M. (BioMed Central, 2018)
    For in vitro culture of plant and animal cells, one of the critical steps is to adjust the initial cell density. A typical example of this is isolated microspore culture, where specific cell densities have been determined ...
  • CoaTx-II, a new dimeric Lys49 phospholipase A2 from Crotalus oreganus abyssus snake venom with bactericidal potential: Insights into its structure and biological 
    de Almeida, José R.; Lancellotti, Marcelo; Soares, A.M.; Calderón, Leonardo A.; Ramírez, D.; González, W.; Marangoni, S.; da Silva, Saulo L. (Elsevier, 2016)
    Snake venoms are rich and intriguing sources of biologically-active molecules that act on target cells, modulating a diversity of physiological functions and presenting promising pharmacological applications. Lys49 ...
  • Climate-related phenology of Mauritia flexuosa in the Colombian Amazon 
    Urrego, Ligia E.; Galeano, Andrea; Peñuela Mora, María Cristina; Sánchez, Mauricio; Toro, Esaú (Kluwer Academic Publishers, 2016)
    Mauritia flexuosa is a keystone species with a broad geographic distribution throughout the Amazon. Environmental changes can impact the reproductive success in a keystone species such as M. flexuosa, which results in a ...

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