168
10
20655
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https://www.socictopen.socict.org/files/original/a4930efdb06062e68847cb625262fed9.pdf
23847d6050c9e0f5e72fa2e15a630fc1
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
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Title
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ANÁLISIS COMPARATIVO DE LA SITUACIÓN LABORAL DE LAS MUJERES RURALES: Vitivinicultura, Industria Vitivinícola y Turismo Enológico. El Caso del Valle de Colchagua, Chile
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Ana María Dávila, Mariela Pinuer, Pablo Szmulewicz
Description
An account of the resource
Resumen: La inserción de la mujer rural en espacios laborales fuera de su hogar, forma parte de un escenario de cambios, que se conoce como “nueva ruralidad”. Asimismo la llegada del turismo rural a diferentes zonas y la inclusión de las mujeres rurales en esta nueva actividad productiva, son aspectos que se hacen relevantes en zonas vitivinícolas como el valle de Colchagua, Chile. Esta investigación tiene como objetivo determinar los cambios socioeconómicos en la situación de las mujeres rurales producto de su participación en empresas y actividades de turismo enológico y establecer si estos cambios observados modifican la situación de las mujeres que trabajan en la agricultura y en la agroindustria. A través de entrevistas realizadas a tres grupos de mujeres, pertenecientes al ámbito de la agricultura, la agroindustria y el turismo de las viñas, se realiza un análisis comparativo de los cambios generados, tanto en el contexto familiar, como en las condiciones de trabajo y en aspectos de formación y capacitación de la mujer rural. Palabras claves: Turismo Enológico. Mujeres Rurales. Empleo Rural. Vale Colchagua. Chile
Date
A point or period of time associated with an event in the lifecycle of the resource
2011
Source
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Rosa dos Ventos
Publisher
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Universidade de Caxias do Sul
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Recreation leadership. Administration of recreation services, Recreation. Leisure
Relation
A related resource
<a href="http://www.ucs.br/etc/revistas/index.php/rosadosventos/article/view/1252" target="_blank" rel="noreferrer noopener">http://www.ucs.br/etc/revistas/index.php/rosadosventos/article/view/1252</a>
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https://www.socictopen.socict.org/files/original/4f3b4f744dfe9aea66e301eeaa975315.pdf
7e2f9149e3bd2875c0e80151c1f69d7f
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Reconfiguring and Remediating Social Media as Alternative Media: Exploring Youth Activists’ Digital Media Ecology in El Salvador
Creator
An entity primarily responsible for making the resource
Summer Harlow
Description
An account of the resource
Este estudio de caso etnográfico examinó cómo el grupo de activistas ju- veniles salvadoreños, Activista, incorporó los medios de comunicación so - ciales en su ecología de medios. El análisis reveló cuatro temas principales: los medios de comunicación social como medios alternativos; la relación entre Facebook y la visibilidad, la legitimidad y la comunidad; una brecha de los medios de comunicación social; y los desafíos de la brecha digital y una falta de estrategia de medios sociales. Este estudio mostró cómo, a pe- sar de las desigualdades digitales, Activista reconfiguró y remedió las herra - mientas digitales y analógicas y las tácticas, reconfigurando y remediando así su relación con los periodistas y los usuarios de los medios sociales en general. Finalmente, Activista logró utilizar los medios sociales como un modelo de comunicación multidimensional, hibridizado y mediado, con- tribuyendo a nuestra comprensión de la hipermediación y la forma en la que lo digital y lo analógico trabajan juntos en una cultura de medios del movimiento social en un país dividido digitalmente.
Date
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2016
Source
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Palabra Clave
Publisher
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Universidad de La Sabana
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Communication. Mass media, Journalism. The periodical press, etc.
Relation
A related resource
<a href="http://www.redalyc.org/articulo.oa?id=64948471003" target="_blank" rel="noreferrer noopener">http://www.redalyc.org/articulo.oa?id=64948471003</a>
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https://www.socictopen.socict.org/files/original/ec3c25cf781eea8e2ea4fbe668ed8bfd.pdf
438eaafeb7123cc4e997757c073a02f9
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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ECOLOGÍA POBLACIONAL DE LA BABILLA (Caiman crocodilus fuscus) EN EL VALLE DEL RÍO MAGDALENA (CUNDINAMARCA, COLOMBIA)
Creator
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Moreno Arias Rafael, Ardila Robayo María Cristina, Martínez Barreto Willington, Suárez Daza Robinson Manuel
Description
An account of the resource
Para proponer un plan de conservación de la babilla se estudiaron poblacionessilvestres y su hábitat en ambientes lóticos y lénticos en diez sitios en el valle delrío Magdalena, Cundinamarca. A partir de conteos nocturnos se registraron 464individuos y se estimaron densidades de hasta 4.3 babillas/ km en ambientes lóticosy de 11.6 babillas/ha en ambientes lénticos. En la estructura de tallas predominaronlos individuos juveniles y una proporción sexual 1:1. El hábitat entre los ambienteslóticos fue diferente en la cantidad de playas, número de enramadas, árboles quetocan al agua y en la cantidad de hojarasca en los bosques. En los ambientes lénticosse encontraron lagunas con hasta 70 % de vegetación flotante, 49 % del perímetrocon bosque de ribera, 83 % del perímetro con playas, 40 enramadas y 90 árbolesque tocan al agua mientras que la cobertura de los bosques varió entre el 60 y 80 %y la cantidad de hojarasca varió entre 0.013 m3 a 0.028 m3. En ambos ambientes seencontró una relación positiva de la densidad de babillas con la cantidad de bosquede ribera. La mayoría de individuos en ambientes lóticos se registró en aguas abiertasmientras que en los lénticos se registró en vegetación flotante. Se encontró que lasbabillas usan más unos micro-hábitats que otros independientemente de la oferta queproporciona el hábitat.
Date
A point or period of time associated with an event in the lifecycle of the resource
2013
Subject
The topic of the resource
Babilla, Colombia, Río Magdalena, densidad, uso de hábitat
Source
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Caldasia
Publisher
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Universidad Nacional de Colombia
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Science, Botany, Zoology
Relation
A related resource
<a href="http://www.revistas.unal.edu.co/index.php/cal/article/view/39095" target="_blank" rel="noreferrer noopener">http://www.revistas.unal.edu.co/index.php/cal/article/view/39095</a>
-
https://www.socictopen.socict.org/files/original/afb90e09039fc21b5651827791cadcca.pdf
edf01e3d0e55c73ee527a31f80f7e7dd
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
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Title
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Transferencia de renda no Brasil e desfechos nutricionais: revisao sistematica
Creator
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Carlos Augusto Monteiro, Ana Paula Bortoletto Martins, Daniela Silva Canella, Larissa Galastri Baraldi
Description
An account of the resource
OBJETIVO : Analisar a influência de programas de transferência condicionada de renda sobre desfechos relacionados à alimentação e nutrição de famílias beneficiadas no Brasil. MÉTODOS : Foi realizada revisão sistemática da literatura com estudos de avaliação originais feitos no Brasil, incluindo ensaios clínicos e estudos observacionais. Foram consultadas as bases de dados PubMed, Scopus, Web of Science e LILACS, incluindo estudos publicados desde 1990. Analisaram-se os estudos segundo programa avaliado, participantes, delineamento da pesquisa, local de realização, principais conclusões, fatores de confundimento e limitações metodológicas. Os estudos foram classificados de acordo com o desfecho (estado nutricional, consumo alimentar e segurança alimentar e nutricional) e tipo de inferência para a associação com programas de transferência condicionada de renda (adequação, plausibilidade ou probabilidade). RESULTADOS : Foram encontrados 1.412 documentos não duplicados. Quinze preencheram os critérios de elegibilidade e 12 destes avaliaram o Programa Bolsa Família. Cinco estudos de plausibilidade e dois estudos de adequação apontam uma influência positiva dos programas de transferência de renda no estado nutricional das crianças beneficiárias. A influência desses programas sobre o consumo alimentar foi analisada em um estudo de adequação de base populacional e três pesquisas transversais de plausibilidade em municípios diferentes. Todas indicaram maior consumo de alimentos entre os beneficiários. As três análises transversais de plausibilidade sugerem influência positiva desses programas na segurança alimentar e nutricional dos beneficiários. As principais limitações metodológicas apontadas foram corte transversal e dificuldades da coleta de dados, pequeno tamanho amostral e limitações do instrumento. CONCLUSÕES : Os poucos estudos encontrados indicam associação positiva entre pertencer ao programa de transferência de renda e a melhoria da alimentação e nutrição das famílias beneficiárias no Brasil. Mais esforços para ampliação e qualificação de projetos de avaliações são necessários para avaliar de maneira mais abrangente o impacto desses programas no Brasil.
Date
A point or period of time associated with an event in the lifecycle of the resource
2013
Subject
The topic of the resource
Consumo de Alimentos, Epidemiologia Nutricional, Pobreza, Renta, Revision, estado nutricional, programas de gobierno, seguridad alimentaria
Identifier
An unambiguous reference to the resource within a given context
10.1590/S0034-8910.2013047004557
Source
A related resource from which the described resource is derived
Revista de Saúde Pública
Publisher
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Universidade de São Paulo
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Public aspects of medicine
Relation
A related resource
<a href="http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S0034-89102013000901159&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S0034-89102013000901159&lng=en&tlng=en</a>
-
https://www.socictopen.socict.org/files/original/6e0da28125099cc1cd78b9f76125bef5.pdf
0f144db13e04cc558cb16fa655e51d52
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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CÓDIGOS DE BARRAS DE LA VIDA: INTRODUCCIÓN Y PERSPECTIVA
Creator
An entity primarily responsible for making the resource
Andrew J. Crawford, Andrea Paz, Mailyn Gonzalez
Description
An account of the resource
RESUMEN Los códigos de barra de ADN representan una iniciativa global para acumular cortas secuencias estandarizadas de ADN de la gran mayoría de las especies de eucariotas del planeta, con el propósito de facilitar la identificación y conocimiento de la biodiversidad. Después de ocho años de discusión y producción en la literatura científica, el tema sigue generando controversia, debido en parte a la falta de homogeneidad en la definición y el alcance del método entre los autores. En este artículo enfatizamos la definición y metodología de los códigos de barra de ADN, así como su uso para contestar preguntas nuevas en el campo de la ecología, la evolución y la conservación. Palabras clave: Bases de datos, Bioinformática, Códigos de barras de ADN, Diagnosis molecular, Sistemática filogenética, Genética evolutiva, Taxonomía. ABSTRACT DNA barcode of life is a global initiative to populate a global database of short, standardized DNA fragments from most eukaryotic species to facilitate the identification and understanding of the world’s biodiversity. In the eight years following its proposal, the topic of DNA barcoding remains controversial in the scientific literature due, in part, to a lack of consensus on how DNA barcoding is defined and what activities are included under this title. In the present paper we review the definition, methods and goals of DNA barcoding, and highlight how data generated by various DNA barcode of life campaigns may also be used to address fundamental and novel questions in ecology, evolution and conservation. Keywords: Bioinformatics, Databases, DNA barcode of life, Evolutionary genetics, Molecular diagnosis, Phylogenetic systematics, Taxonomy.
Date
A point or period of time associated with an event in the lifecycle of the resource
2011
Source
A related resource from which the described resource is derived
Acta Biológica Colombiana
Publisher
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Universidad Nacional de Colombia
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Biology (General)
Relation
A related resource
<a href="https://revistas.unal.edu.co/index.php/actabiol/article/view/19782" target="_blank" rel="noreferrer noopener">https://revistas.unal.edu.co/index.php/actabiol/article/view/19782</a>
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https://www.socictopen.socict.org/files/original/43e462aba6021c524ea980bbefcd6ab5.pdf
fc6e6d5873dbf08b33c66d9658a16a03
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Caracterización de la estructura de peces ornamentales durante dos períodos hidrológicos en el caño agua limón, departamento de Arauca, Colombia
Creator
An entity primarily responsible for making the resource
Luz Myrian Lugo Rugeles, Andrés Ricardo Ruiz Moreno
Description
An account of the resource
Se realizó un inventarió de los peces ornamentales en el caño Agua Limón, en el municipio de Arauca, Arauca (Colombia), en los períodos comprendidos de febrero a mayo de 2005 y de septiembre a agosto de 2005. Como estrategia metodológica para el estudio se realizó un esfuerzo de captura de dos horas por jornada empleando como artes de pesca el trasmallo de fibra de nylon y el aro. Se registraron 4.753 individuos que corresponden a 74 especies pertenecientes a 21 familias donde las especies más abundantes fueron Ctenobrycon spilurus (22%), Astyanax sp. (18%) y Gephyrocharax sp. (10%). Los órdenes con mayor representación específica fueron Characiformes y Siluruformes (reuniendo el 71% de las capturas). Las familias con mayor riqueza de especies fueron Characidae (24 spp.) y Loricariidae (12 spp.) seguidas por las familias Cichlidae (6 spp.), Apteronotidae y Pimelodidae con cuatro especies, Auchenipteridae y Callichthydae con tres especies cada una. La mayor riqueza de especies se encontró en los meses de septiembre, agosto y marzo, se sugiere que estos resultados están relacionados con las variaciones del régimen hidrológico de esta región dando como consecuencia cambios de distribución en los cuerpos de agua que frecuentan las especies. El mes de mayo tiene la menor diversidad y al mayor abundancia de especies.
Date
A point or period of time associated with an event in the lifecycle of the resource
2006
Subject
The topic of the resource
Diversidad, Orinoquia, Peces, Riqueza, composición, ecología
Source
A related resource from which the described resource is derived
Acta Biológica Colombiana
Publisher
An entity responsible for making the resource available
Universidad Nacional de Colombia
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Biology (General)
Relation
A related resource
<a href="https://revistas.unal.edu.co/index.php/actabiol/article/view/27569" target="_blank" rel="noreferrer noopener">https://revistas.unal.edu.co/index.php/actabiol/article/view/27569</a>
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https://www.socictopen.socict.org/files/original/09097006f6b1f0ea025f0bf112444894.pdf
fc897c9694bbe3416c15bce0cb037354
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Evaluación de la bioactividad y papel ecológico de los extractos orgánicos crudos de las esponjas marinas Cribrochalina vasculum y Biemna cribaria
Creator
An entity primarily responsible for making the resource
Sven Zea, Jazmín Arias Hernández, Marisol Santos
Description
An account of the resource
La necesidad por obtener una utilidad tangible de los organismos marinos, ha generado un creciente interés por realizar estudios que permitan entender y por lo tanto aprovechar, sus características físicas, biológicas, químicas y ecológicas. La ecología química permite aproximarse a esto, por lo tanto, los estudios desarrollados en esta área encierran gran importancia. En el presente estudio se evaluó la actividad de los extractos orgánicos crudos de las esponjas marinas Cribrochalina vasculum y Biemna cribaria, en ensayos de antiepibiosis y disuasión de la alimentación de peces arrecifales generalistas. Estas dos especies mostraron inhibición positiva de la abundancia total, de organismos solitarios, de poliquetos e hidroides; B. cribaria inhibió adicionalmente la abundancia de cianofíceas, cobertura total y cobertura del alga parda. Así mismo, las píldoras preparadas con extracto de C. vasculum no disuadieron a los peces generalistas Stegastes partitus de alimentarse (97,5% de consumo), pero si mostraron rechazo por las píldoras con extracto de B. cribaria (37,5% de consumo). Lo que parece indicar que la esponja B. cribaria está mejor defendida químicamente contra la epibiosis y la depredación, mientras que C. vasculum parece tener un efecto atrayente sobre los peces, por lo que no mostró efectividad en este ensayo. Se propone a B. cribaria como una esponja con posibilidades en la industria de pinturas antiepibióticas, dada su mayor efectividad inhibitoria de epibiontes y su baja tasa de lixiviación. Ya que este es un primer acercamiento a la bioactividad de estas dos esponjas, surge la necesidad por continuar estudiando los aspectos ecológicos y químicos de los metabolitos que ellas producen.
Date
A point or period of time associated with an event in the lifecycle of the resource
2005
Subject
The topic of the resource
Biemna Cribaria, Bioactividad, Cribrochalina Vasculum, esponja marina
Source
A related resource from which the described resource is derived
Acta Biológica Colombiana
Publisher
An entity responsible for making the resource available
Universidad Nacional de Colombia
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Biology (General)
Relation
A related resource
<a href="https://revistas.unal.edu.co/index.php/actabiol/article/view/27425" target="_blank" rel="noreferrer noopener">https://revistas.unal.edu.co/index.php/actabiol/article/view/27425</a>
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https://www.socictopen.socict.org/files/original/b208e1dc547466a280dd6ad1152a5d2c.pdf
4555a9fcf00156e2f97c7a2953652b5f
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
La narrativa imagética en el periodismo transmedia de formato largo: participación y navegación cognitiva
Creator
An entity primarily responsible for making the resource
Denis Renó, Luciana Renó
Description
An account of the resource
El periodismo está cambiando hacia una narrativa imagética, cada vez más multiplataforma de lenguaje y teniendo en cuenta los conceptos transmedia, y eso es posible observar en reportajes long form, especialmente en el campo digital. El artículo presenta un estudio de caso del reportaje “Líquido e incerto: o futuro dos recursos hídricos no Brasil”, publicado por el periódico brasileño Folha de S. Paulo en su versión digital, que tiene estos conceptos establecidos, incluso la participación y la retroalimentación. Si espera fortalecer la divulgación de la tendencia de un periodismo multiplataforma contemporáneo que valora el imagen como narrativa cognitiva fundamental. Image-based narrative in long-form transmedia journalism: participation and cognitive navigation Abtract Journalism is moving towards an increasingly multiplatform image-based narrative that takes into account transmedia concepts, as can be seen in long-form reports, especially in the digital field. We present a case study of the report “Líquido e incerto: o futuro dos recursos hídricos no Brasil” (Liquid and uncertain: the future of water resources in Brazil), published online by the Brazilian newspaper Folha de San Paulo, which takes account of these concepts, including participation and feedback. We try to understand contemporary image-based multiplatform journalism as a basic kind of cognitive narrative. Keywords: Communication, journalism, transmedia, storytelling, photography, digital journalism, media ecology pp. 87-99
Date
A point or period of time associated with an event in the lifecycle of the resource
2017
Subject
The topic of the resource
Periodismo, comunicación, ecología de los medios, fotografía, narrativa transmedia, periodismo de datos
Identifier
An unambiguous reference to the resource within a given context
10.25029/od.2017.113.12
Source
A related resource from which the described resource is derived
Obra Digital
Publisher
An entity responsible for making the resource available
Universitat de Vic - Universitat Central de Catalunya
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Communication. Mass media
Relation
A related resource
<a href="http://revistesdigitals.uvic.cat/index.php/obradigital/article/view/113" target="_blank" rel="noreferrer noopener">http://revistesdigitals.uvic.cat/index.php/obradigital/article/view/113</a>
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https://www.socictopen.socict.org/files/original/938cd83e358382ccb296cc93f47cec03.pdf
eb6b9bb6cccd3adaae8cd51f7968ee9c
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Agricultura sostenible
Description
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Dominio científico: Agricultura sostenible
Text
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Title
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Revisión taxonómica de la familia Celastraceae para la flora de Colombia
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José Luis Fernández Alonso, Luis Roberto Sanchez Montaño
Description
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ABSTRACTTaxonomic processing of the Celastraceae was made based on morphological characters andpollen from exsiccates pertaining to the different herbaria from Colombia an some fromoutside: MO, NY y US, along with characters taken directly from plants in the field,concatenating with the distributions patterns. Besides the taxonomical study, a review of thisplant group nomenclature was made, in order to establish the valid names, those ones whichare synonymous, and species location. The characters established in the descriptions of thespecies were compared with the observed ones in the study material. The study of pollen tookinto account grain type, opening of the pores, presence of rims and ribs ambit, exine, sexine andnexine, reticulation and measurements including equatorial and polar axis and the ratio long-width of pores and colpes. Fourteen pollen samples were analyzed, belonging to 8 nativegenera, revealing that palinology makes valuable contributions in the boundary of taxons,providing valid characters, that they are complemented with the other morphologic characters.The taxonomic description of the family fits with the Colombian constituent taxons.Dichotomizing keys were made in order to identify genera and species, and descriptions of eachone of the species, as well as their distribution, citation studied material of each taxon and insome cases illustrations of the species, were drawn at least one for each genus. Eigth native and1 cultivated genera were found: Celastrus 4, andean and subandean woody scandent species.Crossopetalum: 2 species of islands of Tintipán and San Andrés and Providencia. Goupia: 1species from equatorial rain forest. Gymnosporia: 2 species, one of forest of the median valleyof Magdalena and the other of the andean and subandean forest. Maytenus considered aspreliminary synopsis, with 26 species coming of different habitats. Perrottetia with 10 species,4 of these new; 1 species from piedemonte, the rest live in andean and subandean mist belts.Schaefferia: 1 species from subxerofitic and warm places. Zinowiewia: 4 species from Andeanand subandean mist belts. Euonymus: 1 cultivated species in cold climate towns.
Date
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2000
Subject
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Celastraceae, Ecología vegetal, Flora, Morfología comparadaPalinología, taxonomia
Source
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Acta Biológica Colombiana
Publisher
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Universidad Nacional de Colombia
Coverage
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Biology (General)
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<a href="https://revistas.unal.edu.co/index.php/actabiol/article/view/26684" target="_blank" rel="noreferrer noopener">https://revistas.unal.edu.co/index.php/actabiol/article/view/26684</a>
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https://www.socictopen.socict.org/files/original/45f0e43afef9627910b791e6f709bbd4.pdf
dadd12fbc50613c6d9d595b927668d01
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Agricultura sostenible
Description
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Dominio científico: Agricultura sostenible
Text
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The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Rede de interações ave-planta: um estudo sobre frugivoria em áreas urbanas do Brasil
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Diego Silva Freitas Oliveira, Alexandre Gabriel Franchin, Oswaldo Marçal-Júnior
Description
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No Brasil, poucos trabalhos comparam o consumo de frutos nativos e exóticos, especialmente em ambiente urbano. A Teoria de Redes pode ser útil nestes estudos, pois permite avaliar várias espécies de aves e plantas envolvidas em interações. Os objetivos deste trabalho foram: avaliar uma rede de interações de frugivoria por aves em ambiente urbano; verificar o papel de plantas nativas e exóticas na rede e comparar as assembleias de consumidores destes dois grupos de plantas. Foi conduzida uma revisão da literatura sobre frugivoria por aves em áreas urbanas brasileiras e uma análise foi realizada para criar uma rede de interações em escala regional. Foram incluídos 15 trabalhos na análise com 70 espécies de aves consumindo frutos de 15 espécies de plantas (seis exóticas e nove nativas). Os consumidores de frutos exóticos e nativos não formaram grupos distintos e a rede de interações foi significativamente aninhada (NODF=0,30; p < 0,01) e não modular (M= 0,36; p= 0,16). Duas plantas exóticas fazem parte do núcleo de generalistas da rede de frugivoria (Ficus microcarpa e Michelia champaca). Os resultados indicam que um grupo relativamente diversificado de aves consome frutos em áreas urbanas no Brasil de maneira oportunista, sem preferência por nativos ou exóticos.
Date
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2015
Subject
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Ecología urbana, Redes de interações, frugivoria, recursos alimentares
Identifier
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10.5007/2175-7925.2015v28n4p83
Source
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Biotemas
Publisher
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Universidade Federal de Santa Catarina
Coverage
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Biology (General), Science
Relation
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<a href="https://periodicos.ufsc.br/index.php/biotemas/article/view/38913" target="_blank" rel="noreferrer noopener">https://periodicos.ufsc.br/index.php/biotemas/article/view/38913</a>