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Registros recuperados: 45
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Genotipificación de Rotavirus en niños menores de cinco años en la región sur del Ecuador ABCL
Simaluiza-Masabanda,Rosa Janneth; Cevallos-Solórzano,Gabriela; Bourdett-Stanziola,Lurys; Arévalo-Jaramillo,Paulina; Ruiz-Ramón,Jeimmy; Villacis-Villa,Diana; Torres-Bailón,Paula C; Fernández Jaramillo,Heriberto.
Fueron estudiadas, para la búsqueda de rotavirus, 341 muestras fecales obtenidas de sendos niños menores de cinco años con diarrea aguda, atendidos en dos centros de salud de la ciudad de Loja - Ecuador. De ellas, 56 (16%) fueron positivas para rotavirus, siendo genotipificadas 33 muestras para la determinación de genotipos G y P. Los genotipos más frecuentes fueron G4 (42%), P[6] (36%) y la combinación mixta G4+9P[6] (21%). Este es el primer estudio de carácter molecular en rotavirus realizado en el sur de Ecuador y los datos obtenidos ratifican la variabilidad de cepas de rotavirus circulantes en este país.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rotavirus; Genotipos; Ecuador.
Ano: 2016 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0325-29572016000400015
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Picramnia tumbesina: una nueva Picramniaceae, endémica del bosque seco tropical al occidente de Ecuador Acta Botanica
Cornejo,Xavier.
Se describe Picramnia tumbesina, una nueva especie de árbol dioico, endémico del bosque seco tropical, al occidente del Ecuador. Esta es similar a P. sellowii Planch. subsp. sellowii, pero se distingue por presentar inflorescencias ramifloras, ramas fistulosas, hojas que alcanzan mayor dimensión, con grandes foliolos y pedicelos más largos en las flores pistiladas y frutos.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Picramnia; Endémica; Bosque seco; Ecuador.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062006000200011
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Foreign market selection process as tool for international expansion: Case study for ecuadorian chia seeds exports to the european union Anais da ABC (AABC)
TERÁN-YÉPEZ,EDUARDO; SANTOS-ROLDÁN,LUNA; PALACIOS-FLORENCIO,BEATRIZ; BERBEL-PINEDA,JUAN MANUEL.
Abstract To assist Ecuadorian chia seed producers in their quest for internationalisation. This article uses a case study to present a methodology which assists in the selection of the most suitable export market for a product. It is based on a diverse range of indicators grouped into 7 dimensions that were used to analyse the 27 member countries of the European Union in order to determine the most suitable export market for chia seeds from Ecuador. Germany is the biggest European importer of chia seeds with a 55% share, followed by the Netherlands, the United Kingdom and Spain. It presents a methodology for market selection that can be employed as a tool for international expansion which can easily be used by companies in search of the most suitable...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chia seeds; Ecuador; International market selection; Internationalisation; European Union.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652020000101205
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Turtles of the Tiputini Biodiversity Station with remarks on the diversity and distribution of the Testudines from Ecuador Biota Neotropica
Cisneros-Heredia,Diego F..
Ten species of Testudines, from four different families: Chelidae, Kinosternidae, Podocnemididae, and Testudinidae, are reported from the Tiputini Biodiversity Station (Universidad San Francisco de Quito), northeastern Amazonian Ecuador; including the second report from Ecuador of Batrachemys heliostemma. These ten species are sympatric but not completely syntopic, thus I comment on their diversity and habitat preferences patterns. The general distribution of some turtles from Amazonian Ecuador is discussed, providing additional records and distribution maps for Chelus fimbriatus, Platemys platycephala, Batrachemys heliostemma, Batrachemys raniceps, Mesoclemmys gibba, Phrynops geoffroanus, Kinosternon scorpioides, and Geochelone denticulata. The presence...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Reptilia; Testudines; Chelidae; Kinosternidae; Podocnemididae; Testudinidae; Chelus fimbriatus; Platemys platycephala; Batrachemys heliostemma; Batrachemys raniceps; Mesoclemmys gibba; Phrynops geoffroanus; Kinosternon scorpioides; Geochelone denticulata; Podocnemis expansa; Podocnemis unifilis; Peltocephalus dumerilianus; Diversity; Habitat preferences; Distribution; Checklist; Amazonia; Ecuador.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032006000100011
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Temporal space-variation of fish larvae in the Gulf of Guayaquil, Ecuador Boletín de Investigaciones
Calderón-Peralta,Gregoria; Ayora-Macías,Gabriela; Solís-Coello,Pilar.
ABSTRACT This study presents the density, taxonomic composition, spatial and temporal distribution of fish larvae in the Gulf of Guayaquil, as well as the relationship with some physical-chemical variables. Samples were collected at 16 stations, taken in the first nautical mile of the external and internal estuary of the gulf, located in front of the province of Guayas and northwest of the island of Puná, during June to December 2012. Surface trawls were carried out with a simple conical network (mesh eye: 300 μm; mouth diameter: 0.3 m; length: 1.2 m). Temperature, salinity, and transparency were measured before each drag. Significant differences were detected between zones, registering higher temperatures, lower salinity, and transparency in the interior...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ichthyoplankton; Gulf of Guayaquil; Hydrographic variables; Estuary; Ecuador.
Ano: 2020 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-97612020000100135
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Erucastrum gallicum y Rorippa dubia, dos nuevos registros de Brassicaceae para Ecuador Boletín de la Sociedad
Prina,Aníbal Oscar; Cabrera-Cisneros,Omar.
Se registran por primera vez para Ecuador Erucastrum gallicum (Willd.) O. E. Schulz. y Rorippa dubia (Pers.) H. Hara. Se realiza una breve descripción de cada una de las especies y se proporcionan fotografías de los ejemplares analizados.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nuevos registros; Erucastrum; Rorippa; Ecuador.
Ano: 2012 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722012000100016
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Euphorbia weberbaueri (Euphorbiaceae), nuevo registro para Ecuador Boletín de la Sociedad
Cabrera-Cisneros,Omar; Prina,Aníbal Oscar.
Se registra una especie no citada previamente para Ecuador. Euphorbia weberbaueri Mansf., reportada como endémica del norte del Perú, se cita ahora para el sur del Ecuador; especímenes de la planta fueron colectados en dos enclaves de matorral seco de la Provincia de Loja (Catamayo y Saraguro) y en sitios de similares características de la provincia de Azuay. Se proporciona una breve descripción, un mapa de distribución potencial y se ilustra con fotografías de la especie.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ecuador; Euphorbia; Loja; Matorral Seco.
Ano: 2013 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722013000100010
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A pilot study on the identification of human papillomavirus genotypes in tongue cancer samples from a single institution in Ecuador BJMBR
Delgado Ramos,G.M.; Cotter,T.G.; Flor Ramos,L.; Torres Floril,V.; Ramos Martinez,G.A.; Ruiz-Cabezas,J.C..
The relationship between human papillomavirus (HPV) and oropharyngeal squamous cell carcinoma has been established. However, data from Ecuador is limited. The objective of this study was to characterize HPV infection in Ecuadorian patients with tongue cancer. Fifty-three patients with tongue cancer treated at the tertiary referral center Sociedad de Lucha Contra el Cancer (SOLCA), Guayaquil, between 2006 and 2011 were identified. Linear Array® HPV genotyping was used to identify the presence and types of HPV on formalin-fixed paraffin-embedded biopsy samples from these patients with tongue cancer. HPV was identified in 42% (n=22) and high-risk (HR) HPV in 17% (n=9), with 18 different HPV types identified. The most common types were the HR HPV 33 (14%) and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Human papillomavirus; Oropharyngeal; Oral; Ecuador; Head and neck cancer; Epidemiology.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018001100609
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Human papillomavirus infection and its association with cervical dysplasia in Ecuadorian women attending a private cancer screening clinic BJMBR
Brown,C.R.; Leon,M.L.; Muñoz,K.; Fagioni,A.; Amador,L.G.; Frain,B.; Tu,W.; Qadadri,B.; Brown,D.R..
Women living in Latin American countries bear a disproportionate burden of cervical cancer, a condition caused by infection with the human papillomavirus (HPV). We performed a study in Santa Elena, Guayas (currently Santa Elena Province), Ecuador, to determine how often HPV could be detected in women attending a private cancer screening clinic. Participants underwent a Pap test, and vaginal and cervical swabs were performed for HPV testing by the polymerase chain reaction (PCR). Each participant completed a verbally administered survey. The mean age of 302 participants was 37.7 years (range 18 to 78 years). The majority of cervical and vaginal specimens contained sufficient DNA to perform PCR. Overall, 24.2% of the participants had either a cervical or...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Human papillomavirus; Cervical dysplasia; Ecuador.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2009000700007
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Las Especies de Azorella (Azorelloideae, Apiaceae) con distribución extra-Argentina Darwiniana
Calviño,Carolina I; Fernández,Martina; Martínez,Susana G.
Azorella es un género con 26 especies de Azorelloideae (Apiaceae) que crecen desde Costa Rica hasta las islas subantárticas, siendo característico y dominante en distintos ambientes de las cordilleras andinas desde Venezuela hasta la Patagonia. Las especies de Azorella que crecen en Argentina fueron revisadas taxonómicamente en un estudio previo. Sin embargo, el conocimiento de las restantes especies es fragmentario y dispar. El objetivo de este trabajo es actualizar la información de las 11 especies de Azorella ausentes en Argentina y que crecen en Bolivia, Chile, Colombia, Ecuador, Perú y/o Venezuela. Se proporcionan las descripciones y mapas actualizados de la distribución de las especies, y se resuelven problemas nomenclaturales y de tipificación de 41...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Andes; Apiaceae; Bolivia; Chile; Colombia; Ecuador; Perú; Taxonomía; Venezuela.
Ano: 2016 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0011-67932016000100005
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Predicting hunter behavior of indigenous communities in the Ecuadorian Amazon: insights from a household production model Ecology and Society
Maldonado, Jorge H; CEDE - Department of Economics, Universidad de los Andes; jmaldona@uniandes.edu.co.
Many indigenous communities living in the Amazon rely on hunting and fishing to meet the majority of their protein needs. Despite the importance of these practices, few studies from the region have analyzed the socioeconomic drivers of hunting and fishing at the household level. We propose a household production model to assess the effect of key economic parameters on hunting and fishing in small indigenous communities located in the Ecuadorian Amazon, whose principal source of protein is derived from hunting and fishing. The model was validated using empirical data from two communities that reflect different levels of market integration and forest conservation. Demand and supply functions were generated from household data gathered over 19 months....
Tipo: Peer-Reviewed Reports Palavras-chave: Bushmeat; Economic model; Ecuador; Fishing; Food security; Hunting.
Ano: 2015
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Evaluating Safeguards in a Conservation Incentive Program: Participation, Consent, and Benefit Sharing in Indigenous Communities of the Ecuadorian Amazon Ecology and Society
Krause, Torsten; Lund University Centre of Excellence for Integration of Social and Natural Dimensions of Sustainability; torsten.krause@lucid.lu.se; Collen, Wain; International Institute for Industrial Environmental Economics; awcollen@gmail.com; Nicholas, Kimberly A.; Lund University Centre for Sustainability Studies; kimberly.nicholas.academic@gmail.com.
Critics suggest that Reducing Emissions from Deforestation and forest Degradation (REDD+) may not generate improvements in well-being for participating stakeholders, and may in fact undermine indigenous rights. To ensure positive social benefits from REDD+ projects, the United Nations REDD Programme has proposed core safeguards, including local stakeholder participation; free, prior, and informed consent; and equitable distribution of benefits. However, there is little experience to date in implementing and evaluating these safeguards. We apply these core safeguards as a framework to study how people in indigenous communities in the Ecuadorian Amazon perceive and benefit from Programa Socio Bosque, a conservation incentive program in Ecuador’s...
Tipo: Peer-Reviewed article Palavras-chave: Benefit distribution; Deforestation; Ecuador; Forest governance; Payment for Ecosystem Services; Programa Socio Bosque; REDD+; Safeguards.
Ano: 2013
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La distribución potencial del Cóndor Andino (Vultur Gryphus) revela sitios prioritarios para la conservación en los Andes sur de Ecuador Hornero
Astudillo,Pedro X; Siddons,David C; Barros-Quito,Santiago; Orellana,Juan A; Latta,Steven C.
El Cóndor Andino (Vultur gryphus) se encuentra en declinación, mientras que en Ecuador la mayoría de los esfuerzos de monitoreo se han concentrado en el norte del país. En este trabajo se generó un modelo de distribución potencial del Cóndor Andino para los Andes sur de Ecuador. La altitud y la estacionalidad climática fueron variables importantes en el modelo. Las localidades de mayor altitud son los sitios más convenientes para la especie, aunque las zonas de mediana altitud (aproximadamente 2000 msnm) con estacionalidad climática también son sitios a considerar. En función de los resultados obtenidos, las actividades de conservación de la especie deberían concentrarse en localidades cercanas a Nabón, Girón y Saraguro, las cuales no han sido evaluadas...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Altitud; Cóndor Andino; Ecuador; Estacionalidad climática; Modelo de distribución; Páramo; Vultur gryphus.
Ano: 2016 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0073-34072016000200004
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Evaluación preliminar de las poblaciones de Pyrrhura orcesi en remanentes boscosos de la provincia de El Oro, Ecuador Hornero
Echeverría Vaca,Gabriela; Garzón Santomaro,César.
El Perico de El Oro (Pyrrhura orcesi) es una especie endémica de Ecuador que se encuentra en peligro de extinción. La principal amenaza para la especie es la fragmentación del hábitat. Se evaluó la abundancia de Pyrrhura orcesi en tres áreas no protegidas ubicadas en los bosques nublados de la provincia de El Oro mediante observaciones directas y registros auditivos en puntos fijos de conteo. El número máximo registrado para las tres áreas fue de 254 individuos. La abundancia relativa fue similar en las tres áreas. La abundancia no estuvo asociada con la cobertura de bosque. Los resultados del trabajo muestran el valor que tienen los remanentes boscosos en el área de estudio, en los cuales Pyrrhura orcesi puede persistir a pesar no tener ninguna protección.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Cobertura de bosque; Ecuador; Estimación poblacional; Perico de El Oro; Pyrrhura orcesi; Remanentes boscosos.
Ano: 2016 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0073-34072016000200008
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Evaluation of DNA damage in an Ecuadorian population exposed to glyphosate Genet. Mol. Biol.
Paz-y-Miño,César; Sánchez,María Eugenia; Arévalo,Melissa; Muñoz,María José; Witte,Tania; De-la-Carrera,Gabriela Oleas; Leone,Paola E..
We analyzed the consequences of aerial spraying with glyphosate added to a surfactant solution in the northern part of Ecuador. A total of 24 exposed and 21 unexposed control individuals were investigated using the comet assay. The results showed a higher degree of DNA damage in the exposed group (comet length = 35.5 µm) compared to the control group (comet length = 25.94 µm). These results suggest that in the formulation used during aerial spraying glyphosate had a genotoxic effect on the exposed individuals.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Comet assay; DNA damage; Ecuador; Genotoxicity; Glyphosate.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000300026
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Three new andean species of Drosophila (Diptera, Drosophilidae) of the mesophragmatica group Iheringia, Sér. Zool.
Vela,Doris; Rafael,Violeta.
Three new species of mesophragmatica group, Drosophila amaguana, Drosophila shyri and Drosophila ruminahuii from Pasochoa Forest Reserve, northern Ecuadorian Andes, are described. The two subgroups currently composing the mesophragmatica group are renamed as the mesophragmatica subgroup to which the first two species have been added, and the viracochi subgroup to which the latter species has been added. These subgroups are defined based on the direction of the basal scutellar setae, which are divergent in the species of the former subgroup and convergent in the latter.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ecuador; Mesophragmatica subgroups; Viracochi subgroup; New species.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212004000300012
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Una nueva especie de Gnamptogenys (Hymenoptera: Formicidae) y comentarios sobre las especies del género en Colombia y Ecuador Iheringia, Sér. Zool.
Lattke,John E.; Fernandéz C.,Fernando; Palacio,Edgard E..
The species of the predatory ant genus Gnamptogenys Roger, 1863 from Colombia (42 species) and Ecuador (25 species) are diagnosed and presented, including their known geographical distribution. Gnamptogenys enodis, new species from Colombia is described. Gnamptogenys stellae Lattke, 1995 is new record for Colombia.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gnamptogenys; Colombia; Ecuador; Taxonomy; Distribution.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212004000400001
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Grupo Drosophila asiri (Diptera, Drosophilidae), un nuevo grupo de especies andinas con la descripción de dos nuevas especies y la redescripción de Drosophila asiri Iheringia, Sér. Zool.
Figuero,María Luna; Rafael,Violeta; Céspedes,Diego.
El nuevo grupo Drosophila asiri pertenece al subgénero Drosophila. Los ejemplares fueron capturados en los bosques andinos del Ecuador, desde los 3200 hasta los 4000 m de altitud. A este grupo pertenecen Drosophila (D.) asiri Vela & Rafael, 2005 previamente ubicada dentro del grupo D. onychophora, y dos nuevas especies; Drosophila (D.) yuragyacum sp. nov. y Drosophila (D.) yanaurcus sp. nov. Las capturas se realizaron en el bosque protector Pasochoa, en la quebrada de Cruz Loma y en el páramo de Papallacta, utilizando cebo de banano y levadura. Los miembros del nuevo grupo por el momento son endémicos de los Andes ecuatorianos. Las tres especies del grupo D. asiri son moscas de tamaño grande (aproximadamente 6 mm). Los machos presentan el edeago...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bosques andinos; Ecuador; Endemismo; Neotropical.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212012000100005
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Redescripción de Drosophila ogradi y descripción de una especie nueva del grupo Drosophila morelia (Diptera, Drosophilidae) Iheringia, Sér. Zool.
Cabezas,María Beatriz; Rafael,Violeta.
RESUMEN En el presente estudio se analizaron y compararon los caracteres morfológicos de una especie de Drosophila, capturada en el bosque nublado de Intillacta, Pichincha, Ecuador. Los análisis de los rasgos morfológicos como manchas de las alas y genitalia sugieren que se trata de una especie nueva perteneciente al grupo Drosophila morelia. Por lo tanto, Drosophila nina sp. nov., descrita en el presente estudio, es la quinta especie de este grupo. Así mismo se redescribe a Drosophila ogradi Vela & Rafael, 2004 para completar la información faltante en la descripción original.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ecuador; Bosque nublado; Intillacta; Diagnosis; Genitalia.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212015000200157
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A checklist of the scorpions of Ecuador (Arachnida: Scorpiones), with notes on the distribution and medical significance of some species J. Venom. Anim. Toxins incl. Trop. Dis.
Brito,Gabriel; Borges,Adolfo.
Ecuador harbors one of the most diverse Neotropical scorpion faunas, hereby updated to 47 species contained within eight genera and five families, which inhabits the “Costa” (n= 17), “Sierra” (n= 34), “Oriente” (n= 16) and “Insular” (n= 2) biogeographical regions, corresponding to the western coastal, Andean, Amazonian, and the Galápagos archipelago regions, respectively. The genusTityus Koch, in the family Buthidae, responsible for severe/fatal accidents elsewhere in northern South America and the Amazonia, is represented in Ecuador by 16 species, including T. asthenes, which has caused fatalities in Colombia and Panama, and now in the Ecuadorian provinces of Morona Santiago and Sucumbíos. Underestimation of the medical significance of scorpion envenoming...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scorpions; Ecuador; Ananteris; Brachistosternus; Chactas; Centruroides; Hadruroides; Scorpionism; Teuthraustes; Tityus; Troglotayosicus.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992015000100210
Registros recuperados: 45
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