2011
10
20655
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https://www.socictopen.socict.org/files/original/531125d10884904891e952267c9a213a.pdf
8f19f950b740ba1ed9748e254b37a4da
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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Evaluation of endophytic growth promoting bacteria in quinoa cultivation
Creator
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León-Fajardo Melani, Mancilla-Felipez Joseph Deyby, Ortuño-Castro Felipe Noel
Description
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The present research aims to evalúate the interaction of simple and combined endophytic bacteria, to develop new bioinoculants formulations, over the agronomic variables of the quinoa cultivation, to genérate viable alternatives for the Andean farmers. A powder product was obtained by mixing a bioinoculants formulation developed with three single and combined strains of Bacillus sp. and an inert substrate, to be compared in a greenhouse/in vitro environment with a commercial product (TRICOBAL) as a positive control group and normal soil (without inoculants) as a negative control group. The following treatments were identified: Bacillus pumilus (Bp), interaction between Bacillus pumilus and Paenihacillus polymyxa (Bp + Bv54) and the combination of Bacillus pumilus, Bacillus suhtilis and Paenihacillus polymyxa (Bp + Bs + Bv54) with prominent results on: plant height (104.14 cm), panicle height (34.32 cm), roots weight (5 grs.) and grain performance; demonstrating that these native strains significantly promote the growth of quinoa plants in relation to the commercial product (TRICOBAL). In addition, it was determined that in an in vitro environment the three used strains of Bacillus can coexist.
Date
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2019
Subject
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Bacillus sp, bacteria interaction, evaluation, in vitro compatibility, viability
Identifier
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10.36610/j.jsab.2019.070200088
Source
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Journal of the Selva Andina Biosphere
Publisher
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Selva Andina Research Society
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Plant ecology, Plant culture, Forestry
Relation
A related resource
<a href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&pid=S2308-38592019000200003&lng=es&nrm=iso&tlng=es" target="_blank" rel="noreferrer noopener">http://www.scielo.org.bo/scielo.php?script=sci_arttext&pid=S2308-38592019000200003&lng=es&nrm=iso&tlng=es</a>
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https://www.socictopen.socict.org/files/original/9cbd0f63331f139e075287def4f9f35f.pdf
412f9fb1334b246ce1b33d50b2e6271f
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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El ecosistema ruminal en bovinos y sus posibilidades de mejora
Creator
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Oscar Patricio Núñez-Torres
Description
An account of the resource
En el rumen del ganado bovino la población microbiana (ecosistema ruminal) está constituida por bacterias anaerobias estrictas, protozoos y hongos que pueden sobrevivir en condiciones anaeróbicas no estrictas, altos ritmos de dilución, densidades de células y depredación protozoaria, desarrollo de habilidades para el manejo efectivo de complejos polímeros vegetales. Los alimentos que llegan al rumen son fermentados hasta generar ácidos grasos volátiles (AGV), ingeridos y utilizados en procesos catabólicos y anabólicos. Por lo tanto, la fermentación presenta ventajas, además resultado de perdidas energéticas en forma de gas metano, hidrogeno y calor. Un ejemplo claro es cuando la glucosa sobrepasa el rumen (bypass) y por tanto se absorberá en el intestino delgado y su energía aumentaría en un 30%.El rumen es el encargado de fermentar y degradar polisacáridos estructurales por el elevado número de enzimas producidas por su microbiota (polisacaridasas), un ejemplo es la degradación de los arabinoxylanos, polisacáridos estructurales se encuentran normalmente en paredes celulares de forrajes y en parte, los cereales como el endospermo, ya que requieren una cantidad de enzimas que trabajen secuencialmente para el desdoblamiento de estos polisacáridos esencialmente el trabajo de enzimas que hidrolizan las cadenas de arabinosa como el grupo acetil, ácido glucurónico y ácido ferúlico ya que actuarán primero luego seguirán las xilanasas ya que fraccionan las principales cadenas de xilano.Hoy en día se considera la especie rumiante, como uno de los mayores participantes que provocan el deterioro de la capa de ozono y como consecuencia estimulan al calentamiento global, debido a la libertad existente de gases en la atmósfera, entre ellos se menciona al metano y carbono. El gas metano es inducido por la fermentación del alimento que llega al rumen. La separación de estos gases, principalmente del H2 implica la remoción de un factor para la permanencia del pH ruminal que ayuda a la fermentación. Sin embargo, la producción de metano es considerada como una pérdida energética potencial aprovechable. Los efectos de las bacterias metanógenas son dependientes principalmente de sustratos presentes en la dieta y de las interacciones con otras poblaciones. La alimentación de los animales con alimentos como son los subproductos agrícolas están encaminadas a mejorar el proceso de fermentación en el rumen, que generalmente conducen a mejorar los parámetros productivos y reproductivos, por una mejor utilización de la energía. Asimismo, la disminución de los gases en la atmósfera contribuyendo al cuidado del ambiente.Algunas manifestaciones han señalado que el índice de transferencia de metano producido por descomposición ruminal se encuentra vinculada tanto con características físicas como químicas de dicha dieta, por lo que éstas a su vez damnifican la nivelación tanto del consumo como de la frecuencia de la nutrición. Con esto una repetición de la alimentación colabora al aumento de las emisiones el gas metano eleva la producción en el trópico, que proporciona rendimientos sórdidos y medioambientales. Otra alternativa de disminución radica en el reemplazo de tecnologías habituales por opciones diferentes vinculadas a producciones adecuadas y con efectos no tan nocivos para el medioambiente. Por otro lado es importante mencionar que el manejo de pastos eficientemente radica a mejorar la calidad en la alimentación.
Date
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2019
Identifier
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10.36610/j.jsaas.2019.060100001
Source
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Journal of the Selva Andina Animal Science
Publisher
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Selva Andina Research Society
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Animal culture
Relation
A related resource
<a href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&pid=S2311-25812019000100001&lng=es&nrm=iso&tlng=es" target="_blank" rel="noreferrer noopener">http://www.scielo.org.bo/scielo.php?script=sci_arttext&pid=S2311-25812019000100001&lng=es&nrm=iso&tlng=es</a>
-
https://www.socictopen.socict.org/files/original/405554a28b60def84f24e0100cdd4d69.pdf
152fb2b05b1757c42e19a99945ad6ef5
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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A Experiência Turística no Espaço Rural
Creator
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Bruno Magalhães Barcellos de Souza
Description
An account of the resource
A proposta que existe dentro do segmento intitulado de turismo rural carece de análises, visto que os seus operadores e idealizadores ainda buscam formas de se transmitir ao visitante, em menor ou maior escala, um sentido ou uma experimentação das vivências do espaço rural. Por isso, este estudo objetiva-se a analisar se a exposição do turista à rotina do campo é capaz de proporcionar mudanças em seus hábitos e a importância da participação do visitante aos manejos rurais neste processo. Para atingir a este objetivo foram realizadas entrevistas com uso de um roteiro semiestruturado, tomando como procedimento metodológico a história oral. As conversas foram analisadas e organizadas em categorias temáticas, dando condições de obter um maior vislumbre das ofertas as quais os turistas entrevistados se expuseram e as quais eles atribuem mudanças, ressignificações ou abandonos de hábitos e mentalidades no retorno ao cotidiano. Os resultados apontaram para algumas convergências e pontos em comum entre alguns contextos de história de vida dos entrevistados e também nas rotinas rurais em que participaram; diferentes entrevistados atribuíram respectivas influências que culminaram em adoção ou abandonos de hábitos e mentalidades. Acredito que estudiosos do campo de estudos turísticos devem realizar mais pesquisas sobre este tema, pois ainda não me parece possível distinguir se as mudanças relatadas pelos turistas foram fruto apenas da participação nos manejos. Contudo, este trabalho também contribui para uma reflexão quanto a concepção da oferta turística no espaço rural com vistas a propostas de vivências de ruralidades contidas no que se entende por turismo rural.
Date
A point or period of time associated with an event in the lifecycle of the resource
2021
Subject
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Agricultura Familiar, Manejos Rurais, Turismo no Espaço Rural, mudança de hábitos
Identifier
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10.35699/2447-6218.2021.34972
Source
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Licere
Publisher
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Programa de Pós-Graduação Interdisciplinar em Estudos do lazer
Coverage
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Recreation. Leisure
Relation
A related resource
<a href="https://periodicos.ufmg.br/index.php/licere/article/view/34972" target="_blank" rel="noreferrer noopener">https://periodicos.ufmg.br/index.php/licere/article/view/34972</a>
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https://www.socictopen.socict.org/files/original/a26ed19db8a9562f8764cfe490e9acbf.pdf
bc167a29bf1e05ba74825b59d43c9518
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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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 del sistema de producción de arroz criollo en La Mojana, en Colombia
Creator
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Jorge Luis Romero Ferrer, Jorge Cadena Torres, Diana Maria Cuello Pérez, Shirley Patricia Pérez Cantero
Description
An account of the resource
La Mojana, es una subregión con paisajes dominados por grandes cuerpos de agua, interconectados por una red de caños y ciénagas. Uno de los sistemas productivos de mayor importancia social es el arroz criollo, al cual se dedican pequeños productores de economía campesina. Dado a que se desconocen aspectos socioeconómicos y técnicos de este sistema, se realizó una caracterización del sistema mediante el método de encuestas estructuradas que captaron aspectos sociales, técnicos y económicos. El método de muestreo usado fue el no probabilístico y los datos se analizaron mediante estadística descriptiva, con medidas de tendencia central y dispersión. Los resultados mostraron que los agricultores de arroz criollo llevan más de 40 años dedicados a esta actividad productiva, en pequeñas áreas de terreno de la finca. Parte de la producción es comercializada en los mercados locales y otra parte es usada para la alimentación del núcleo familiar, por lo que tiene gran importancia en la seguridad alimentaria. A pesar de existir oferta de variedades mejoradas, de mayor rendimiento, buena parte de los agricultores prefieren para su alimentación este tipo de arroz debido a que le atribuyen una mejor calidad culinaria y nutricional. Se identificaron al menos 46 variedades utilizadas para la siembra, la cual se realiza de forma manual con muy baja entrada de insumos de origen químico. Se identificaron las principales limitantes tecnológicas del sistema y se determinaron los costos y rendimientos, lo cual permitió calcular un costo unitario de US$0,40 kg-1. El principal riesgo que enfrenta este sistema productivo es la pérdida de semillas ancestrales, por lo que se propone la conservación, purificación y escalamiento de las variedades criollas, para devolverlas a la comunidad y así contribuir a la seguridad alimentaria de la población de pequeños productores vinculados a este sistema.
Date
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2021
Subject
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Pequeños productores, Semillas Ancestrales, seguridad alimentaria
Identifier
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10.19053/01228420.v18.n2.2021.11610
Source
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Ciencia y Agricultura
Publisher
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Universidad Pedagógica y Tecnológica de Colombia
Coverage
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Agriculture (General), Agriculture
Relation
A related resource
<a href="https://revistas.uptc.edu.co/index.php/ciencia_agricultura/article/view/11610" target="_blank" rel="noreferrer noopener">https://revistas.uptc.edu.co/index.php/ciencia_agricultura/article/view/11610</a>
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https://www.socictopen.socict.org/files/original/880e32964bbd3f609dc2bb426ab06e0a.pdf
15ebc79a5384fadb579d0c20afb01d20
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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Evaluation of Indigenous Olive Biocontrol Rhizobacteria as Protectants against Drought and Salt Stress
Creator
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Nuria Montes-Osuna, Antonio Valverde-Corredor, Pilar Prieto, Jesús Mercado-Blanco, Carmen Gómez-Lama Cabanás, Garikoitz Legarda
Description
An account of the resource
Stress caused by drought and salinity may compromise growth and productivity of olive (Olea europaea L.) tree crops. Several studies have reported the use of beneficial rhizobacteria to alleviate symptoms produced by these stresses, which is attributed in some cases to the activity of 1-aminocyclopropane-1-carboxylic acid deaminase (ACD). A collection of beneficial olive rhizobacteria was in vitro screened for ACD activity. Pseudomonas sp. PICF6 displayed this phenotype and sequencing of its genome confirmed the presence of an acdS gene. In contrast, the well-known root endophyte and biocontrol agent Pseudomonas simiae PICF7 was defective in ACD activity, even though the presence of an ACD-coding gene was earlier predicted in its genome. In this study, an unidentified deaminase was confirmed instead. Greenhouse experiments with olive ‘Picual’ plants inoculated either with PICF6 or PICF7, or co-inoculated with both strains, and subjected to drought or salt stress were carried out. Several physiological and biochemical parameters increased in stressed plants (i.e., stomatal conductance and flavonoids content), regardless of whether or not they were previously bacterized. Results showed that neither PICF6 (ACD positive) nor PICF7 (ACD negative) lessened the negative effects caused by the abiotic stresses tested, at least under our experimental conditions.
Date
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2021
Subject
The topic of the resource
1-aminocyclopropane-1-carboxylic acid (ACC) deaminase (ACD), <i>Pseudomonas simiae</i> PICF7, <i>Pseudomonas</i> sp. PICF6, chlorophyll (Chl), flavonoid (Flv), proline
Identifier
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10.3390/microorganisms9061209
Source
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Microorganisms
Publisher
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MDPI AG
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://www.mdpi.com/2076-2607/9/6/1209" target="_blank" rel="noreferrer noopener">https://www.mdpi.com/2076-2607/9/6/1209</a>
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https://www.socictopen.socict.org/files/original/bada07b79f4c94e1bdaab968e258ca5a.pdf
cb5c0948fd9d10090a93e64d18324cbc
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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Structure, Diversity, and Environmental Determinants of High-Latitude Threatened Conifer Forests
Creator
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Carlos Esse, Francisco Correa-Araneda, Cristian Acuña, Rodrigo Santander-Massa, Patricio De Los Ríos-Escalante, Pablo Saavedra, Ximena Jaque-Jaramillo, Roberto Moreno, Paola Massyel García-Meneses, Daniel P. Soto
Description
An account of the resource
Pilgerodendron uviferum (D. Don) Florin is an endemic, threatened conifer that grows in South America. In the sub-Antarctic territory, one of the most isolated places in the world, some forest patches remain untouched since the last glaciation. In this study, we analyze the tree structure and tree diversity and characterize the environmental conditions where P. uviferum-dominated stands develop within the Magellanic islands in Kawésqar National Park, Chile. An environmental matrix using the databases WorldClim and SoilGrids and local topography variables was used to identify the main environmental variables that explain the P. uviferum-dominated stands. PCA was used to reduce the environmental variables, and PERMANOVA and nMDS were used to evaluate differences among forest communities. The results show that two forest communities are present within the Magellanic islands. Both forest communities share the fact that they can persist over time due to the high water table that limits the competitive effect from other tree species less tolerant to high soil water table and organic matter. Our results contribute to knowledge of the species’ environmental preference and design conservation programs.
Date
A point or period of time associated with an event in the lifecycle of the resource
2021
Subject
The topic of the resource
<i>Pilgerodendron uviferum</i>, Kawésqar National Park, Patagonia, Sub-Antarctic, WorldClim, biodiversity indexes
Identifier
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10.3390/f12060775
Source
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Forests
Publisher
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MDPI AG
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Plant ecology
Relation
A related resource
<a href="https://www.mdpi.com/1999-4907/12/6/775" target="_blank" rel="noreferrer noopener">https://www.mdpi.com/1999-4907/12/6/775</a>
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https://www.socictopen.socict.org/files/original/9a04b055c9e10ad16e4a11e0254f9517.pdf
3ab511ea90a6ed12385d9f2c06cb0e46
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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Relationship between salt use in fish farms and drift of macroinvertebrates in a freshwater stream
Creator
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F Encina-Montoya, L Boyero, AM Tonin, M Fernanda Aguayo, C Esse, R Vega, F Correa-Araneda, C Oberti, J Nimptsch
Description
An account of the resource
In Chile, salt (NaCl) use per salmon fish farm ranges between 20-30 t yr-1 and is used to prevent and control fungal infections. An increase in salinity in freshwater can have adverse effects on freshwater biodiversity and ecosystem functions and services. We studied the effects of fish-farm effluents on benthic macroinvertebrate communities in a northern Patagonian stream (Chile). Benthic samples were collected at 3 sites near a land-based salmon aquaculture facility (one located 100 m upstream from the fish-farm outlet for effluent, 2 sites located 200 and 400 m downstream from the effluent source). We found changes in benthic macroinvertebrate communities downstream from the effluent, with higher abundances of tolerant taxa and lower abundances of sensitive taxa, which was related to nutrient and salt concentration in the water. We also studied the effects of salinity on macroinvertebrate drift in a mesocosm experiment conducted in recirculating channels, measuring the drift of 2 salt-sensitive macroinvertebrates (Andesiops peruvianus and Smicridea annulicornis), collected from an unpolluted northern Patagonian stream, after exposure to a range of salinity concentration pulses similar to those from fish farms. Our results demonstrate that (1) fish-farm effluent can alter stream macroinvertebrate community composition and dynamics, and (2) such effects are at least partly driven by high salt concentrations in effluent waters.
Date
A point or period of time associated with an event in the lifecycle of the resource
2020
Identifier
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10.3354/aei00357
Source
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Aquaculture Environment Interactions
Publisher
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Inter-Research
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Ecology, Aquaculture. Fisheries. Angling
Relation
A related resource
<a href="https://www.int-res.com/abstracts/aei/v12/p205-213/" target="_blank" rel="noreferrer noopener">https://www.int-res.com/abstracts/aei/v12/p205-213/</a>
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https://www.socictopen.socict.org/files/original/7887d5ccbfa4a990f904ec1c95be3592.pdf
562fed65772f00418e03758eeed49730
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
Modos de trabalhar e modos de subjetivar na agricultura familiar no sul do Brasil
Creator
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Rita de Cássia Maciazeki-Gomes, Maria Juracy Filgueiras Toneli, Maria da Conceição de Oliveira Carvalho Nogueira, Giovana Ilka Jacinto Salvaro
Description
An account of the resource
Neste estudo, analisamos as narrativas de mulheres trabalhadoras rurais relacionadas ao trabalho no contexto da agricultura familiar. Participaram do estudo dezoito mulheres ligadas ao movimento social das trabalhadoras rurais da região noroeste do Estado do Rio Grande do Sul, Brasil. As estratégias metodológicas utilizadas obedeceram aos pressupostos da abordagem genealógica, seguindo uma perspectiva etnográfica. As narrativas produzidas expressam intersecções entre as práticas ligadas aos espaços da casa, da propriedade e do movimento social. Dos resultados produzidos emergem reflexões associadas à compreensão de trabalho como manutenção da vida e possibilidade de transformação de si e do mundo, e as relações entre trabalho e ação política são vistas como conquistas e desafios a serem enfrentados pelas mulheres trabalhadoras rurais.
Date
A point or period of time associated with an event in the lifecycle of the resource
2021
Subject
The topic of the resource
Movimento Social, Trabalho, ação política, mulheres trabalhadoras rurais, subjetividade
Identifier
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10.1590/1806-9584-2021v29n165762
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Revista Estudos Feministas
Publisher
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Universidade Federal de Santa Catarina
Coverage
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Women. Feminism
Relation
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<a href="https://periodicos.ufsc.br/index.php/ref/article/view/65762" target="_blank" rel="noreferrer noopener">https://periodicos.ufsc.br/index.php/ref/article/view/65762</a>
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https://www.socictopen.socict.org/files/original/2c7a5ab921c2244fe130b81d849bf32c.pdf
9178182a4e7a38ae7084edf6412ea926
Dublin Core
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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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Ecología trófica del congrio de profundidad Bassanago albescens en el Atlántico Sudoccidental y sus implicancias para el manejo ecosistémico de las pesquerías
Creator
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Gabriela Blasina, Luciano Izzo, Agustín De Wysiecki, Daniel Figueroa
Description
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En el presente estudio se determina la composición de la dieta y estrategia alimentaria del congrio de profundidad Bassanago albescens en el Atlántico Sudoccidental (35° S-45° S), a partir del análisis del contenido estomacal de 222 individuos. La dieta consistió de cefalópodos, seguidos por isópodos, anfípodos, ofiuroideos, braquiuros y poliquetos. Los resultados mostraron diferencias significativas en la composición de la dieta entre sexos, zonas y clases de tallas que se vieron reflejadas en los cambios de la estrategia de forrajeo. Se registró un aumento progresivo en el consumo de Illex argentinus con el aumento del tamaño de B. albescens, donde los individuos más grandes mostraron una especialización en el consumo de esta presa. Estos cambios alimentarios estarían relacionados a limitaciones morfológicas y habilidades asociadas al tamaño corporal de B. albescens, teniendo los individuos más grandes acceso a presas de mayor tamaño. Nuestros resultados ayudan a comprender la biología de una especie que tiene una distribución simpátrica con dos especies clave en las pesquerías de la Argentina: Merluccius hubbsi e I. argentinus, con evidencias de una fuerte interacción trófica entre ellas. Esta nueva información sobre los recursos involucrados permitiría una optimización del manejo pesquero bajo un criterio ecosistémico.
Date
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2021
Subject
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Anguilliformes, Cambios ontogenéticos, Hábitos alimentarios, manejo ecosistémico de las pesquerías
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10.47193/mafis.3422021010605
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Marine and Fishery Sciences
Publisher
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Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP)
Coverage
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Ecology, Oceanography, Aquaculture. Fisheries. Angling
Relation
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<a href="https://ojs.inidep.edu.ar/index.php/mafis/article/view/179" target="_blank" rel="noreferrer noopener">https://ojs.inidep.edu.ar/index.php/mafis/article/view/179</a>
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https://www.socictopen.socict.org/files/original/0e2f092a3958c008dbe3b129e2fbdc54.pdf
7cacda303c96b24ee7539ddd386716ad
Dublin Core
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Title
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Agricultura sostenible
Description
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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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Cazadores-recolectores y el bosque
Creator
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Ruth Gutiérrez
Description
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N.A.
Date
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2003
Subject
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Amazônia, Colombia, ecología, indígenas, nukak, subsistencia
Source
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Maguaré
Publisher
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Universidad Nacional de Colombia
Coverage
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Anthropology
Relation
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<a href="https://revistas.unal.edu.co/index.php/maguare/article/view/12855" target="_blank" rel="noreferrer noopener">https://revistas.unal.edu.co/index.php/maguare/article/view/12855</a>