746
10
20655
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https://socictopen.socict.org/files/original/2f74f3d20801ad110da9e507e8ad6e26.pdf
d28a94d6c8cead3d9291a4a1bcbba0f1
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
A name given to the resource
Enhancement of the Diversity of Pollinators and Beneficial Insects in Intensively Managed Vineyards
Creator
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Francisco Javier Peris-Felipo, Fernando Santa, Oscar Aguado, José Vicente Falcó-Garí, Alicia Iborra, Michael Schade, Claire Brittain, Vasileios Vasileiadis, Luis Miranda-Barroso
Description
An account of the resource
(1) Modern, intensive agricultural practices have been attributed to the loss of insect biodiversity and abundance in agroecosystems for the last 80 years. The aim of this work is to test whether there are statistically significant differences in insect abundance between different zones and over time on the vineyard field. (2) The study was carried out in five intensive wine farms in Spain over a three-year period (2013–2015). Each field was divided into two zones, one where cover plants were planted, and another remained unchanged (without cover). (3) A clear trend to increase the average number of insect species and individuals throughout the years in all farms was observed. Moreover, the zones with cover plants showed a significant difference with respect to the zones without. (4) The use of permanent cover plants allows creating areas of refuge for the insects favouring their conservation and reducing the agriculture impact in the insect decline.
Date
A point or period of time associated with an event in the lifecycle of the resource
2021
Subject
The topic of the resource
agroecosystems, biodiversity, habitat management, insect conservation, sustainability, vineyards
Identifier
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10.3390/insects12080740
Source
A related resource from which the described resource is derived
Insects
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
Science
Relation
A related resource
<a href="https://www.mdpi.com/2075-4450/12/8/740" target="_blank" rel="noreferrer noopener">https://www.mdpi.com/2075-4450/12/8/740</a>
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https://socictopen.socict.org/files/original/08ad81b3365c0b0f29c0792b86776d9c.pdf
54a9e55a88fbf26efe6f0efad5114603
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
O Design como a expressão de fazer as coisas juntos: um entendimento ecológico
Creator
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Denis Kern Hickel
Description
An account of the resource
This paper takes into account the work of Humberto Maturana to situate design within an essentially ecological perspective. It aims to clarify the context of design, in all its diversity, within the flow of unfolding global events. It supports the idea of integrating different meanings, as opposed to the current anthropocentric paradigm that legitimates ongoing ecological degradation.
Date
A point or period of time associated with an event in the lifecycle of the resource
2015
Subject
The topic of the resource
Educação, co-criação, design, ecología
Identifier
An unambiguous reference to the resource within a given context
10.5433/2236-2207.2015v6n1p77
Source
A related resource from which the described resource is derived
Projetica
Publisher
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Universidade Estadual de Londrina (UEL)
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Drawing. Design. Illustration
Relation
A related resource
<a href="http://www.uel.br/revistas/uel/index.php/projetica/article/view/20817" target="_blank" rel="noreferrer noopener">http://www.uel.br/revistas/uel/index.php/projetica/article/view/20817</a>
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https://socictopen.socict.org/files/original/6038feac9eebc23b65626f12809277bb.pdf
790c9c63ec6c3bcd91187cb240d5c435
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
Scientific and methodical approaches to natural-agricultural, ecological-economic, anti-erosion zoning (zonation) of lands
Creator
An entity primarily responsible for making the resource
S.O. Osipchuk
Description
An account of the resource
Improved scientific and methodical ap‐proaches to natural and agricultural, ecolog‐ical and economic, erosion control and zon‐ing land in Ukraine, as it was necessary toclarify the existing scheme of zoning, which isdue, above all, the changes that have oc‐curred during the land reform.According to advanced scientific andmethodological approaches and criteriadeveloped completely natural farming,erosion and ecological‐economic zoning ofUkraine at the national level.
Date
A point or period of time associated with an event in the lifecycle of the resource
2015
Source
A related resource from which the described resource is derived
Zemleustrìj, Kadastr ì Monìtorìng Zemelʹ
Publisher
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National University of Life and Environmental Sciences of Ukraine
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Cadastral mapping
Relation
A related resource
<a href="http://journals.nubip.edu.ua/index.php/Zemleustriy/article/view/6661/6517" target="_blank" rel="noreferrer noopener">http://journals.nubip.edu.ua/index.php/Zemleustriy/article/view/6661/6517</a>
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https://socictopen.socict.org/files/original/3437186d4a4ac1332c0a2fdd1246ce25.pdf
d3ad1b117afa739cbe275693e60ecfd2
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
Abundancia, distribución, hábitos alimentarios e interacciones tróficas de cinco especies de lenguados (Pleuronectiformes) en el Pacífico central mexicano
Creator
An entity primarily responsible for making the resource
Juan R Flores-Ortega, Enrique Godínez-Domínguez, Gaspar González-Sansón, Jorge A Rojo-Vázquez, Antonio C López-Prado, María Y Morales-Jauregui
Description
An account of the resource
Se analizaron los patrones de distribución espacial de las cinco especies de lenguados de mayor abundancia capturadas con redes camaroneras en la plataforma continental del Pacífico central mexicano. Además, se describen las dietas alimentarias e interacciones tróficas entre las especies de lenguados consideradas. Los lenguados se distribuyen entre 20 y 60 m de profundidad. Bothus leopardinus tiene su mayor abundancia durante la época fría (enero-mayo), el resto de las especies no presentaron diferencias significativas entre temporadas de captura (fría y cálida). En general la dieta de los lenguados está compuesta por crustáceos, peces y cefalópodos. B. leopardinus y Syacium ovale son consumidores de crustáceos como cangrejos, camarones y estomatópodos. Cyclopsetta panamensis, C. querna y Monolene assaedae basan su alimentación en peces y cefalópodos. La estrategia alimentaria de las cinco especies analizadas es generalista, ya que consumen un gran número de presas en ambas temporadas del año. Entre las especies de lenguados se observaron valores bajos en la superposición de la dieta por grupos de talla y periodos del año. Las especies de lenguados consumen los recursos alimentarios disponibles y tienden a cambiar sus preferencias de acuerdo a la disponibilidad de presas, lo que les permite eludir la competencia por alimento dentro y entre especies.
Date
A point or period of time associated with an event in the lifecycle of the resource
2013
Subject
The topic of the resource
Pacífico central mexicano, abundancia, distribución, ecología trófica, lenguados
Source
A related resource from which the described resource is derived
Latin American Journal of Aquatic Research
Publisher
An entity responsible for making the resource available
Escuela de Ciencias del Mar, Facultad de Recursos Naturales, Pontificia Universidad Católica de Valparaíso
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), Oceanography, Aquaculture. Fisheries. Angling
Relation
A related resource
<a href="http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2013000300006&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2013000300006&lng=en&tlng=en</a>
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https://socictopen.socict.org/files/original/6d21bd6462f25a787332eb5e967311f6.pdf
b23850e97c1d27d264945643ed48fbe5
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
A name given to the resource
José Martí: antecedentes de una ecología popular latinoamericana
Creator
An entity primarily responsible for making the resource
Fernando González
Description
An account of the resource
La Ecología Política creció en Latinoamérica desde propuestas como los “derechos de la naturaleza”, el “buen vivir” o el “ecosocialismo”. Sin embargo, la mayoría de la producción en este campo muestra escasa vinculación con el pensamiento latinoamericano del siglo XIX. Para aportar a completar esta vacancia, se propone recuperar las principales dimensiones del pensamiento de José Martí en dicha área del conocimiento.En primer lugar, caracterizar el contexto en que se desarrolla el pensamiento martiano. Luego repasar las influencias con las que conformó este aspecto de su pensamiento. Así, llegar a lo que se puede denominar el “pensamiento ambiental martiano”, comenzando por su concepción de la relación sociedad-naturaleza y continuando por las implicancias políticas y económicas de sus planteos. El trabajo fue realizado a través de fuentes secundarias, tanto de la obra del autor como de otros trabajos que profundizan sobre su pensamiento. Los resultados constatan la presencia de una crítica temprana a una economía basada en estructuras monoproductivas y basadas en el consumismo.
Date
A point or period of time associated with an event in the lifecycle of the resource
2018
Subject
The topic of the resource
Ecologia Política, Marti, naturaleza, pensamiento ambiental
Identifier
An unambiguous reference to the resource within a given context
10.21803/pensam.v11i21.154
Source
A related resource from which the described resource is derived
Pensamiento Americano
Publisher
An entity responsible for making the resource available
Corporación Universitaria Americana
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Social sciences (General)
Relation
A related resource
<a href="http://publicaciones.americana.edu.co/index.php/pensamientoamericano/article/view/154/172" target="_blank" rel="noreferrer noopener">http://publicaciones.americana.edu.co/index.php/pensamientoamericano/article/view/154/172</a>
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https://socictopen.socict.org/files/original/51b64e3802f4bb71522ebcad6a553c37.pdf
3b8c879b1f09ae62c806555bcf9b9628
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
Amenazas y efectos potenciales del cambio climático en poblaciones silvestres de venado cola blanca (Odocoileus virginianus): Revisión de su estado de conocimiento
Creator
An entity primarily responsible for making the resource
Víctor H. Montalvo, Carolina Sáenz-Bolaños, Juan Carlos Cruz, Eduardo Carrillo J.
Description
An account of the resource
Las poblaciones silvestres de venado cola blanca han mostrado respuestas negativas a la variación climática dentro de su rango de distribución. En escenarios globales de cambio climático, los grupos conservacionistas deben entender las manifestaciones de la variabilidad climática en el comportamiento y distribución de poblaciones vulnerables para el desarrollo de estrategias de manejo. Este estudio tiene como objetivo identificar y sintetizar bibliografía que describa los principales efectos potenciales del cambio climático en las poblaciones de venado cola blanca a lo largo de su rango de distribución. Se realizó una intensa revisión bibliográfica mediante dos buscadores científicos en internet (Google Scholar; Web of Science) del 2000 al 2016. Durante la búsqueda se registraron documentos referentes al efecto del clima en poblaciones de venado cola blanca. Como resultado, de los 4 000 documentos publicados durante el periodo evaluado (los últimos 16 años), se encontraron18 documentos formalmente publicados en revistas peer reviewed, los cuales evidencian manifestaciones climáticas en poblaciones silvestres de venado cola blanca. Las principales respuestas observadas fueron las siguientes: cambios en la distribución, aumentos en la incidencia de enfermedades, cambios en los patrones de movimiento, cambios en la demografía poblacional, disminución de la calidad del forraje y cambios en el hábitat. Se concluye que la información disponible es limitada, restringida a la distribución norte del venado cola blanca, la cual no muestra información sobre los ecosistemas tropicales más allá de México, por lo que se necesitan, con urgencia, herramientas y enfoques para evaluar los efectos a largo y mediano plazo de la variabilidad climática en poblaciones de ungulados tropicales, pues la falta de información, al respecto, es evidente.
Date
A point or period of time associated with an event in the lifecycle of the resource
2019
Subject
The topic of the resource
Cambio climático; conservación; Odocoileus; ungulados; venado
Identifier
An unambiguous reference to the resource within a given context
10.15359/rca.53-1.6
Source
A related resource from which the described resource is derived
Ciencias Ambientales
Publisher
An entity responsible for making the resource available
Universidad Nacional, Costa Rica
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Human ecology. Anthropogeography, Natural history (General)
Relation
A related resource
<a href="https://revistas.una.ac.cr/index.php/ambientales/article/view/11376" target="_blank" rel="noreferrer noopener">https://revistas.una.ac.cr/index.php/ambientales/article/view/11376</a>
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https://socictopen.socict.org/files/original/a659f762be0eba962ec9e05e966ab5e4.pdf
f15a38943bfac8ff3d710415cdf9fc9d
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
Paz con la naturaleza: Una perspectiva ecológica desde la noviolencia
Creator
An entity primarily responsible for making the resource
Antonio Elizalde Hevia
Description
An account of the resource
El presente ensayo destaca un conjunto de cuatro falacias instaladas muy profundamente en nuestro sistema de creencias del ambiente de que formamos parte, i.e., : la separatividad, la desingularización, la exterioridad, la uniformización y aceleración del tiempo. Se sostiene que estas falacias conducen a construir y operar con un imaginario colectivo en el cual dejamos de mantener esa relación armónica y fluida (natural), para transitar a una relación de expoliación, explotación e incluso autodestrucción de la naturaleza. En la segunda parte se formula la cuestión de ¿De qué forma o por qué caminos podriamos suscribir nuevamente una relación con la Naturaleza, con nuestro entorno vital, la Ecosfera, Gaia o Pachamama?.
Date
A point or period of time associated with an event in the lifecycle of the resource
2012
Subject
The topic of the resource
Buen Vivir, Derechos de la Naturaleza, Ecología – No violencia, sustentabilidad
Identifier
An unambiguous reference to the resource within a given context
10.7770/cuhso-V22N2-art387
Source
A related resource from which the described resource is derived
Cultura-Hombre-Sociedad
Publisher
An entity responsible for making the resource available
Universidad Católica de Temuco
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Sociology (General), Anthropology
Relation
A related resource
<a href="http://cuhso.cl/index.php/cuhso/article/view/387" target="_blank" rel="noreferrer noopener">http://cuhso.cl/index.php/cuhso/article/view/387</a>
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https://socictopen.socict.org/files/original/38ae93e747e97339926ca56bb03b1921.pdf
f9f46143ac0114e95ab5f4ba0d5210d9
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
Producción de enzima fitasa de Aspergillus ficuum con residuos agroindustriales en fermentación sumergida y sobre sustrato sólido
Creator
An entity primarily responsible for making the resource
Marcia Costa, Gerhard Lerchundi, Francisco Villarroel, Marcelo Torres, Renate Schöbitz
Description
An account of the resource
Resumen: Se describe la producción de fitasa mediante cultivos del tipo sumergido (SmF) y sobre sustrato sólido (SSF) con Aspergillus ficuum DSM 932 en medios de cultivos basados en residuos de la agroindustria. La actividad enzimática fitásica se usó como medida indirecta de la producción de la enzima. En SmF, pH 5,3 y 25 ºC, se trabajó en fermentadores de diferentes volúmenes y con el mayor se operó con diferentes niveles de aireación y agitación. En SSF a 25 ºC se usaron placas de Petri. En SmF con un medio basado en cereales se presentó la mejor actividad neta (0,25 FTU/mL) al sexto día para 300 rpm y 0,5 vvm. En SSF, la torta de canola resultó ser el mejor sustrato con una actividad fitásica neta máxima al tercer día de 6,79 FTU/mL de extracto, equivalente a 33,96 FTU/g de sustrato sólido o 56,43 FTU/g de sustrato seco. Aplicando tecnologías de membrana se concentró un extracto de fitasa a partir de una SmF en medio basado en cereales y también fue posible purificar 6,33 veces un extracto de fitasa producido en SSF con torta de canola, diafiltrando tres veces consecutivas el retenido de 100 kDa. La enzima fitasa de la cepa A. ficuum DSM 932 mostró tener un tamaño ≥ 100 kDa. Phytase production by submerged fermentation (SmF) and solid state fermentation (SSF) using Aspergillus ficuum DSM 932 in agro-waste-based culture media is described here. Phytase enzyme activity was used for the indirect measurement of enzyme production. Fermentation was carried out in SmF, pH 5.3 at 25 ºC with two fermenters having different volumes; the largest one had different levels of aeration and agitation. Petri dishes were used for SSF at 25 °C. A cereal-based medium obtained the best net activity (0.25 FTU mL-1) for SmF on the sixth day at 300 rpm at 0.5 vvm. Canola cake was the best substrate for SSF, having maximum net phytase activity on the third day: 6.79 FTU mL-1 extract, equivalent to 33.96 FTU g-1 solid substrate or 56.43 FTU g-1 dry substrate. A phytase extract was concentrated from an SmF-based medium in cereals by applying membrane technologies. A phytase extract produced in SSF with canola cakes was purified 6.33 times using three consecutive diafiltrations of the 100 kDa retentate. A. ficuum DSM 932 phytase was ≥ 100 kDa in size.
Date
A point or period of time associated with an event in the lifecycle of the resource
2009
Subject
The topic of the resource
Aspergillus ficuum, canola cake, enzimas en piensos, feed enzyme, fermentación en sustrato sólido, fitasa, phytase, solid substrate fermentation, torta de canola
Source
A related resource from which the described resource is derived
Revista Colombiana de Biotecnología
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
Biotechnology
Relation
A related resource
<a href="https://revistas.unal.edu.co/index.php/biotecnologia/article/view/10323" target="_blank" rel="noreferrer noopener">https://revistas.unal.edu.co/index.php/biotecnologia/article/view/10323</a>
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https://socictopen.socict.org/files/original/ceb0a60029d9ceef69a88f6f7df2d8a3.pdf
e275bd08f0e644a3b32d0f98adef0ae4
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 del impacto económico y social de los programas de intervención ergonómica
Creator
An entity primarily responsible for making the resource
Miryam Elizabeth Félix López, Wladimir Alexander Palacios Zurita
Description
An account of the resource
Esta investigación propone un procedimiento para valorar el impacto económico y social de los programas de intervención ergonómica aplicable a organizaciones del sector público o privado. Es un estudio cualitativo-cuantitativo del tipo descriptivo no experimental, apoyado en revisiones documentales y en las metodologías descritas por el ISTAS (2010): del coste humano y económico; análisis de los costos-efectividadutilidad y beneficio. El procedimiento cuenta con cuatro etapas: I. Descripción de la situación actual del puesto, II. Desarrollo del programa de mejoras, III. Aplicación de las acciones de mejora, IV. Seguimiento y control. Se exponen los resultados de la aplicación de la primera etapa en las Unidades de Docencia, Investigación y Vinculación de la Carrera de Agroindustrias – ESPAM MFL. Se evidenció que el impacto de las consecuencias tiene una relación directamente proporcional entre los costos directos e indirectos de la organización, en cuanto, a los trabajadores se afecta el bienestar físico y el desempeño laboral.
Date
A point or period of time associated with an event in the lifecycle of the resource
2014
Source
A related resource from which the described resource is derived
ECA Sinergia
Publisher
An entity responsible for making the resource available
Universidad Técnica de Manabí
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Business, Accounting. Bookkeeping
Relation
A related resource
<a href="http://revistas.utm.edu.ec/index.php/ECASinergia/article/view/160" target="_blank" rel="noreferrer noopener">http://revistas.utm.edu.ec/index.php/ECASinergia/article/view/160</a>
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https://socictopen.socict.org/files/original/a83a6ab0a143730b9a5b3a571a5d563b.pdf
2dcab5ef79eeb41b3ede6350174a1337
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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Dublin Core
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Title
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Efectos del rizocéfalo Loxothylacus armatus (Cirripedia: Rhizocephala) en el cangrejo Paraxanthus barbiger (Decapoda: Brachyura) en Chile Effects of the rhizocephalan Loxothylacus armatus (Cirripedia: Rhizocephala) on the crab Paraxanthus barbiger (Decapoda: Brachyura) in Chile
Creator
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MARIO GEORGE-NASCIMENTO, JOSÉ BUSTOS
Description
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Diversas asociaciones biológicas de amplia distribución y alta especificidad en el ambiente marino han pasado casi desapercibidas para los estudiosos en Chile. Aquí se describe cuantitativamente la infección por Loxothylacus armatus Boschma 1949 (Cirripedia: Rhizocephala) en el cangrejo Paraxanthus barbiger (Poeppig 1836) (Decapoda: Brachyura) y se evalúa si el parásito produce efectos semejantes a los descritos para asociaciones similares. Para ello, 513 ejemplares del cangrejo fueron recolectados manualmente desde el submareal somero, entre septiembre y octubre de 2003, en Lenga, Octava Región de Chile. La prevalencia de rizocéfalos alcanzó valores máximos cercanos al 60 % en hospedadores de pequeño tamaño corporal, provocando castración, inhibiendo el desarrollo gonadal de las hembras y modificando el tamaño de los caracteres sexuales secundarios en ambos sexos, lo que sugiere que impone una gran demanda sobre su hospedador. Estos resultados muestran una gran similitud con otros estudios que involucran a rizocéfalos, y podrían, al incorporar a las simbiosis en el estudio de las comunidades bentónicas en Chile, conducir a que se reinterprete, por ejemplo, la abundancia y patrones de reproducción de P. barbiger, una especie de depredador prominente de esas comunidades bentónicasIn the marine realm, several biological associations are distributed worldwide and are highly specific, but remain poorly studied in Chile. Here, we describe quantitatively the infection by the barnacle Loxothylacus armatus Boschma 1949 (Cirripedia: Rhizocephala) in the crab Paraxanthus barbiger (Poeppig 1836) (Decapoda: Brachyura), and assess if the parasite effects are similar to rhizocephalan-decapod associations elsewhere. To do this, 513 crabs were collected by hand while scuba diving between September and October, 2003 in the shallow subtidal zone of Lenga (37° S), Chile. Maximum prevalence reached ca. 60 % in small body size hosts, producing total castration of males, inhibiting the gonadic development of female crabs and modifying the size of sexual characters in both sexes, thus revealing that this parasite imposes a great demand upon its host. These results are closely similar to others involving rhizocephalans, and suggest that taking into account symbiosis like this one in the study of benthic communities in Chile could lead to new interpretations about the abundance and reproductive patterns of P. barbiger, which is a prominent predator in these communities
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2006
Subject
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Chile, Community ecology, Rhizocephala-Decapoda, asociaciones biológicas, biological associations, castración parasitaria, ecología de comunidades, parasitic castration
Source
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Revista Chilena de Historia Natural
Publisher
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BMC
Coverage
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Botany, Zoology
Relation
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<a href="http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2006000200001" target="_blank" rel="noreferrer noopener">http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2006000200001</a>