341 10 20655 https://www.socictopen.socict.org/files/original/43528f25ff31306f8ab2a3272f4c1abc.pdf 3d7d151dd0d38f1dd267f9e694c22cd4 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 Deuda ambiental y climática: amigos o depredadores contaminadores Creator An entity primarily responsible for making the resource Gregorio Mesa Cuadros Description An account of the resource Esta reflexión consta de cuatro partes:la primera hace referencia a cómo losconflictos y la problemática ambiental estásignada por prácticas de sobreexplotación ysobreconsumo generadoras de las erosionesy contaminaciones que le están asociadas,así como de sus consecuencias previstas y noprevistas y que tienen que ver con las deudasambientales y las injusticias ambientalescorrelativas. La segunda parte indica unade las paradojas en el discurso ambiental,particularmente en los enunciados de losprincipios ambientales, asociado por unaparte a la protección (principios de prevencióny precaución) y de otra, la idea del antiprincipioque no solo se impone en el discursosino especialmente en la práctica cotidiana(principio el que contamina paga). La terceraparte destaca cómo en el pensamientoy en la acción ambientales encontramoslos ecologismos y los ambientalismos quepromueven la protección y la conservacióny su contraparte, aquellos ecologismos ecocapitalistasy eco-neoliberales, indicando loselementos centrales de su contribución alos cambios climáticos y a las consiguientesdeudas climáticas. La cuarta y última partedestaca la relación entre cambios climáticos ybosques naturales, indicando el papel que lascomunidades locales y tradicionales tienen enla conservación y el papel de los Estados ylas empresas en su destrucción.Palabras clave: Discursos Ambi Date A point or period of time associated with an event in the lifecycle of the resource 2009 Subject The topic of the resource Cambio climático, Comunidades Tradicionales, Discursos ambientales, Eco-capitalismo, Ecologismos, Principio de Solidaridad Source A related resource from which the described resource is derived Pensamiento Jurídico 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 Law in general. Comparative and uniform law. Jurisprudence Relation A related resource <a href="https://revistas.unal.edu.co/index.php/peju/article/view/36539" target="_blank" rel="noreferrer noopener">https://revistas.unal.edu.co/index.php/peju/article/view/36539</a> https://www.socictopen.socict.org/files/original/587c1582bfbda95ba454fa122f6d02fb.pdf d15fda20192bcfa5cadd16191eca3505 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 Diversidad y dinámica de un bosque subandino de altitud en la región norte de los Andes colombianos Creator An entity primarily responsible for making the resource Jesús Oswaldo Velásquez Restrepo, Nancy Lorena Maniguaje, Álvaro Javier Duque Description An account of the resource Los bosques sub-Andinos poseen alta diversidad biológica, de los cuales poco se conoce sobre su dinámica natural. Se evaluaron patrones de diversidad y biomasa, tasas de mortalidad y reclutamiento en dos parcelas permanentes de una hectárea cada una, establecidas en bosques en altitudes entre los 2 000-2 200msnm, en la vertiente Oriental de la cordillera Occidental del norte de los Andes en Colombia. Se determino diversidad de especies mediante el índice alpha de Fisher, la dinámica del bosque se evaluó mediante tres censos durante nueve anos. En total, se hallaron 1 964 individuos con un diámetro a la altura del pecho DAP≥10cm. pertenecientes a 222 especies, 113 géneros y 60 familias. La riqueza media de especies fue de 156 especies por hectárea y un índice alpha medio de Fisher de 56.2/h. Las tasas de mortalidad y reclutamiento fueron de 0.88% y 1.16% respectivamente, lo cual no indica que se presente un efecto externo proveniente del calentamiento global sobre la dinámica del bosque. La biomasa aérea promedio fue de 243.44±9.82tn/ha con un incremento anual promedio de 2.9ton/ha, valor superior a los reportados, lo cual sugiere que el equilibrio para este bosque no se ha alcanzado. De acuerdo con las observaciones de campo, este bosque parece estar recuperándose de una alteración pasada. Date A point or period of time associated with an event in the lifecycle of the resource 2012 Subject The topic of the resource Cambio climático, biomasa aérea, bosques andinos, mortalidad, reclutamiento Source A related resource from which the described resource is derived Revista de Biología Tropical Publisher An entity responsible for making the resource available Vicerractoría Investigación 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="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442012000200034&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442012000200034&lng=en&tlng=en</a> https://www.socictopen.socict.org/files/original/ddda834dd162ebbb5650b4d893424d5e.pdf 99188ab713004368bde14f44ab893e66 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 Combining environmental suitability and population abundances to evaluate the invasive potential of the tunicate Ciona intestinalis along the temperate South American coast Creator An entity primarily responsible for making the resource Stella M. Januario, Sergio A. Estay, Fabio A. Labra, Mauricio Lima Description An account of the resource The tunicate Ciona intestinalis is an opportunistic invader with high potential for causing economic losses in aquaculture centers. Recent phylogenetic and population genetic analysis support the existence of a genetic complex described as C. intestinalis with two main dominant species (sp A and B) occurring worldwide. In Chile, the species has been observed around 30°S of latitude, but no official reports exist for the presence of C. intestinalis in southern regions (above 40°S), where most of the mollusk aquaculture centers are located. Here, we used occurrences from multiple invaded regions and extensive field sampling to model and validate the environmental conditions that allow the species to persist and to find the geographic areas with the most suitable environmental conditions for the spread of C. intestinalis in the Chilean coast. By studying the potential expansion of C. intestinalis southward in the Chilean Coast, we aimed to provide valuable information that might help the development of control plans before the species becomes a significant problem, especially above 40°S. Our results highlight that, by using portions of the habitat that are apparently distinguishable, the species seem to be not only genetically distinct, but ecologically distinct as well. The two regional models fitted for sp A and for sp B showed disagreement on which sections of Chilean coastline are considered more suitable for these species. While the model for sp A identifies moderately to highly suitable areas between 30° and 40°S, the model for sp B classifies the areas around 45°S as the most appropriate. Data from field sampling show a positive linear relationship between density of C. intestinalis and the index of suitability for sp A in aquaculture centers. Understanding the relation of the distinct species with the surrounding environment provided valuable insights about probable routes of dispersion in Chile, especially into those areas considered suitable for aquaculture activities but where the species has not yet been recorded. We discuss the implications of our findings as a useful tool to anticipate the invasion of such harmful invasive species with regard to the most relevant environmental variables. Date A point or period of time associated with an event in the lifecycle of the resource 2015 Subject The topic of the resource Invasion risk, Population abundance, Suitability index, aquaculture, species distribution Identifier An unambiguous reference to the resource within a given context 10.7717/peerj.1357 Source A related resource from which the described resource is derived PeerJ Publisher An entity responsible for making the resource available PeerJ Inc. Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Medicine Relation A related resource <a href="https://peerj.com/articles/1357/" target="_blank" rel="noreferrer noopener">https://peerj.com/articles/1357/</a> https://www.socictopen.socict.org/files/original/9af170e7a5efc0b3a39824a547d314e9.pdf baa26f5258945881ede0f32ef6d0ec92 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 Emission factors of black carbon and co-pollutants from diesel vehicles in Mexico City Creator An entity primarily responsible for making the resource M. Zavala, L. T. Molina, T. I. Yacovitch, E. C. Fortner, J. R. Roscioli, C. Floerchinger, S. C. Herndon, C. E. Kolb, W. B. Knighton, V. H. Paramo, S. Zirath, J. A. Mejía, A. Jazcilevich Description An account of the resource Diesel-powered vehicles are intensively used in urban areas for transportinggoods and people but can substantially contribute to high emissions of blackcarbon (BC), organic carbon (OC), and other gaseous pollutants. Strategiesaimed at controlling mobile emissions sources thus have the potential toimprove air quality and help mitigate the impacts of air pollutants onclimate, ecosystems, and human health. However, in developing countries thereare limited data on the BC and OC emission characteristics of diesel-poweredvehicles, and thus there are large uncertainties in the estimation of theemission contributions from these sources. We measured BC, OC, and otherinorganic components of fine particulate matter (PM), as well as carbonmonoxide (CO), nitrogen oxides (NOx), sulfur dioxide (SO2), ethane,acetylene, benzene, toluene, and C2-benzenes under real-world drivingconditions for 20 diesel-powered vehicles encompassing multiple emission leveltechnologies in Mexico City with the chasing technique using the Aerodynemobile laboratory. Average BC emission factors ranged from0.41–2.48 g kg−1 of fuel depending on vehicle type. The vehicles werealso simultaneously measured using the cross-road remote sensing technique toobtain the emission factors of nitrogen oxide (NO), CO, total hydrocarbons,and fine PM, thus allowing for the intercomparison of the results from the twotechniques. There is overall good agreement between the two techniques andboth can identify high and low emitters, but substantial differences werefound in some of the vehicles, probably due to the ability of the chasingtechnique to capture a larger diversity of driving conditions in comparisonto the remote sensing technique. A comparison of the results with the US EPAMOVES2014b model showed that the model underestimates CO, OC, and selectedVOC species, whereas there is better agreement for NOx and BC. LargerOC / BC ratios were found in comparison to ratios measured in Californiausing the same technique, further demonstrating the need for usinglocally obtained diesel-powered vehicle emission factor database indeveloping countries in order to reduce the uncertainty in the emissionsestimates and to improve the evaluation of the effectiveness of emissionsreduction measures. Date A point or period of time associated with an event in the lifecycle of the resource 2017 Identifier An unambiguous reference to the resource within a given context 10.5194/acp-17-15293-2017 Source A related resource from which the described resource is derived Atmospheric Chemistry and Physics Publisher An entity responsible for making the resource available Copernicus Publications Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Chemistry, Physics Relation A related resource <a href="https://www.atmos-chem-phys.net/17/15293/2017/acp-17-15293-2017.pdf" target="_blank" rel="noreferrer noopener">https://www.atmos-chem-phys.net/17/15293/2017/acp-17-15293-2017.pdf</a> https://www.socictopen.socict.org/files/original/c5a0aad89ebd7ce858f0b1d6fd9f8edf.pdf ad2b413f44e3a7551a2f928bd5e1d20f 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 Formación de líderes ambientales Creator An entity primarily responsible for making the resource Yolanda Pereira Lentino, Andrys Atencio Saravia Description An account of the resource En este artículo se muestra el trabajo realizado por 3 grupos de estudiantes de la Licenciatura en Pedagogía Infantil quienes desarrollaron trabajos de grado para optar al título profesional, con el objetivo de formar líderes ambientales para disminuir las consecuencias del calentamiento global fomentando acciones enfocadas: a la siembra, cuidado y conservación de las plantas; al uso racional de la energía y, al cuidado del agua y la conservación de las fuentes hídricas. ABTRACT: This article shows the work of three groups of students of the Bachelor of Early Childhood Education who developed grade work for the degree professional, with the aim of training environmental leaders to reduce the impacts of global warming by promoting actions aimed: to planting, care and conservation of plants, the rational use of energy and water care and conservation of water sources. Date A point or period of time associated with an event in the lifecycle of the resource 2010 Subject The topic of the resource agua, calentamiento global, energia, formación, fuentes hídricas, líderes ambientales Identifier An unambiguous reference to the resource within a given context 10.22519/2145888X.272 Source A related resource from which the described resource is derived Hexágono Pedagógico Publisher An entity responsible for making the resource available Corporacion Universitaria Rafael Nuñez Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Education, Education (General) Relation A related resource <a href="http://revistas.curn.edu.co/index.php/hexagonopedagogico/article/view/272" target="_blank" rel="noreferrer noopener">http://revistas.curn.edu.co/index.php/hexagonopedagogico/article/view/272</a> https://www.socictopen.socict.org/files/original/61de6c1025eea9acdca7826be092aaf8.pdf c2ee91ffdac1702bff444c63db826995 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 EL CAMBIO CLIMÁTICO DURANTE LOS ÚLTIMOS 15.000 AÑOS EN PATAGONIA NORTE. RECONSTRUCCIONES DE LA VEGETACIÓN EN BASE A POLEN Y CARBÓN VEGETAL SEDIMENTARIO. Creator An entity primarily responsible for making the resource María Martha Bianchi Description An account of the resource Los cambios de la vegetación, en cuencas lacustres en la región del bosque Andino Patagónico y el ecotono bosque-estepa, determinados a partir del análisis de polen y carbón vegetal sedimentario permitieron inferir cambios climáticos en el área de Patagonia norte desde la Tanscición Glacial-Post-glacial, 15.000 años A.P. Se presentan aquí algunos de los resultados más relevantes obtenidos con metodologías de alto nivel, en el área del Parque Nacional Nahuel Huapi durante 17 años de estudio, en los que se extrajeron y analizaron testigos sedimentarios en lagos y mallines: Lago Mascardi, Lago El Trébol, Lago Escondido y Mallín Aguado. Los análisis de polen y de carbón vegetal sedimentario de secuencias bien datadas con el método de 14C indican que una estepa arbustiva fue remplazada por un bosque abierto a comienzos de la Transición Glacial-post-glacial bajo un clima más seco y más frió que el actual. Hacia fines de la Transición se produjo la diversificación del bosque. Durante la Inversión Climática Huelmo Mascardi, el bosque se hizo más abierto hacia el oeste y se produjeron incendios de alta severidad hacia el este, sugiriendo una disminución en la temperatura hacia el oeste y en las condiciones de humedad a lo largo del gradiente Oeste- Este. El bosque de Nothofagus adquirió su mayor extensión y los incendios continuaron durante el Holoceno Inferior. Durante el Holoceno Medio se produjo el reemplazo del bosque de Nothofagus por el bosque mixto de Nothofagus y Austrocedrus chilensis, gracias a un incremento en las precipitaciones, principalmente de verano. La expansión del bosque hacia el este ocurrió gradualmente y fue acompañado por un cambio en el régimen de incendios, los que se hicieron más frecuentes pero menos severos. Durante el Holoceno Superior el bosque se hizo más denso y continuó expandiéndose bajo condiciones de mayor variabilidad climática. Actualmente las investigaciones continúan, poniendo a prueba hipótesis sobre la forma en la que distintos factores climáticos determinaron la expansión y retracción de los ecosistemas de bosque, en particular en relación con los incendios naturales. Date A point or period of time associated with an event in the lifecycle of the resource 2007 Subject The topic of the resource Cambio climático, Patagonia Norte, Vegetación Source A related resource from which the described resource is derived Boletín Geográfico Publisher An entity responsible for making the resource available Departamento de Geografía, Facultad de Humanidades, Universidad Nacional del Comahue Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Geography. Anthropology. Recreation, Environmental sciences, Human ecology. Anthropogeography Relation A related resource <a href="http://revele.uncoma.edu.ar/htdoc/revele/index.php/geografia/article/view/101/111" target="_blank" rel="noreferrer noopener">http://revele.uncoma.edu.ar/htdoc/revele/index.php/geografia/article/view/101/111</a> https://www.socictopen.socict.org/files/original/b736d3209d8e077b4956d35556ed6183.pdf 83de779986e041537b06c0228e310212 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 Diez años de monitoreo limnológico de un lago natural modificado en los trópicos: el lago Cote, Costa Rica Creator An entity primarily responsible for making the resource Gerardo Umaña Description An account of the resource Esta localizado a 650m sobre el nivel del mar en el límite entre las llanuras del Norte y la vertiente del Pacífico en la Cordillera de Guanacaste, Costa Rica. Al inicio de la década de 1980 se construyó una represa en el río de desagüe y el caudal de salida fue desviado hacia el Embalse Arenal. Se realizó un primer estudio entre 1990 y 1991, y luego en el año 2001 antes de que se construyera una nueva modificación del lago mediante el levantamiento del nivel de la presa en un metro con el fin de utilizar la descarga para la producción de energía hidroeléctrica. Del 2002 al 2010 se realizó un monitoreo limnológico dos veces al año. Aquí se presenta un análisis de las principales características y de los cambios a través del tiempo. El lago es polimíctico discontinuo y desarrolla una termoclina intermitente a 6m de profundidad, la cual puede perdurar por varios días o semanas a juzgar por el desarrollo de una capa anóxica cercana al fondo. Desde su modificación la temperatura superficial del lago ha alcanzado valores mayores a los reportados con anterioridad. El hipolimnion muestra periodos de hipoxia a anoxia que se han vuelto más frecuentes. A pesar de la turbidez del lago, la concentración de nutrientes y de clorofila a son bajos. La tendencia en tiempos recientes es a una reducción de la clorofila a y un aumento en la trasparencia del agua. Estos cambios son similares a los observados en lagos donde se ha logrado atribuirlos al cambio climático global. También se pueden deber a la modificación del flujo del efluente por la operación intermitente de la planta hidroeléctrica, que favorece la acumulación de calor en la columna de agua. Esto debido a que otros factores, como el cambio en el uso del suelo en los alrededores del lago ocurrieron en la década de 1980, por lo que no se les puede atribuir una influencia en los cambios observados en los últimos 10 años. Date A point or period of time associated with an event in the lifecycle of the resource 2014 Subject The topic of the resource Costa Rica, Lago Cote, Neotrópico, hidroelectricidad, lago tropical, limnologia, monitoreo-diez años, nivel de modificación Source A related resource from which the described resource is derived Revista de Biología Tropical Publisher An entity responsible for making the resource available Vicerractoría Investigación 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="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442014000100013&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442014000100013&lng=en&tlng=en</a> https://www.socictopen.socict.org/files/original/a76026c42b63824f963df3731a38a9af.pdf 481d60599e1e1edbbdfdec71c9fb2210 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 Modelo conceptual para describir el estrés calórico en vacas lecheras a partir de bucles reales a cuestionables Creator An entity primarily responsible for making the resource Raúl Andrés Molina Benavides, Hugo Sánchez- Guerrero, Alberto Stanislao Atzori Description An account of the resource Se reconoce que el ambiente térmico es uno de los factores ecológicos más importantes para determinar el crecimiento, el desarrollo y la productividad de animales domésticos con efectos directos e indirectos sobre su fisiología y comportamiento. A pesar de tener una adaptación específica e individual, es muy común que, dentro de las variaciones de temperatura estacionales o diurnas, los animales se enfrenten a situaciones fuera de su zona de confort térmico. Debido al estrés calórico, las vacas lecheras reducen su producción y fertilidad, y por lo tanto, llevan a cabo un aumento en la incidencia de trastornos metabólicos, causando bajos causando bajos ingresos para la finca en corto y mediano plazo. El cambio climático es quizás uno de los factores más importantes en las respuestas de los animales. Este estudio tuvo como objetivo describir y comprender las interacciones de las variables asociadas con el estrés por calor en el ganado lechero. El enfoque del sistema aplicado a este mecanismo fisiológico específico ayuda aliviar el estrés calórico en vacas lecheras cuando se relacionan los aspectos de pastoreo y las necesidades del animal. Se usó una anotación de diagrama de bucle causal para conectar las variables biológicas incluidas en los límites del sistema. Las conexiones causales se validaron con algunas citas bibliográficas sobre la influencia del estrés calórico. Las interconexiones de retroalimentación más importantes resaltadas, subrayan la estructura dominante y los patrones esperados. Se encontraron cuatro bucles balance implicados en los mecanismos fisiológicos utilizados por los animales para reducir la producción de calor metabólico y para regular la homeostasis de la temperatura interna. Date A point or period of time associated with an event in the lifecycle of the resource 2018 Subject The topic of the resource Milk production, System Dynamics, climate change, global warming, grazing, livestock production systems, temperature Identifier An unambiguous reference to the resource within a given context 10.15446/acag.v67n1.60612 Source A related resource from which the described resource is derived Acta Agronómica 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 Agriculture Relation A related resource <a href="https://revistas.unal.edu.co/index.php/acta_agronomica/article/view/60612" target="_blank" rel="noreferrer noopener">https://revistas.unal.edu.co/index.php/acta_agronomica/article/view/60612</a> https://www.socictopen.socict.org/files/original/0c4abf2da1e6d8ca64de7b35186688d1.pdf e4dae16bd09413e1c78410daf49a3350 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 Temperature and massive fish deaths in southern South America Temperatura y mortandades masivas de peces en el sur de Sudamérica Creator An entity primarily responsible for making the resource M. Jimena González Naya, Luciana Ramírez, Sergio E Gómez, Roberto C Menni Description An account of the resource Based on a compilation of data on massive fish deaths occurred in southern South America during the Twentieth Century, we assessed the importance of climatic variables on these phenomena. We found a strong relationship (R² =0.68) between these massive fish deaths and the mean monthly air temperature. Along the annual temperature range there is a central range (14.6° C to 20.0° C), where the probabilities that a fish community suffers massive deaths is very low. Its central point (17.3° C) is very close to the mean annual value (17.2° C) of air temperature variation. We considered this agreement as corroboration at community level of Pianka’s theory on physiological optima. This relationship allows to monitoring the influence of climate changes, because the environmental variation and the zones of mortality and no mortality will change with predicted changes of the mean monthly values of air temperature.Basado en la recopilación de datos de mortandades masivas de peces ocurridas en el sur de Sud América durante el Siglo XX, se evaluó la importancia de las variables climáticas en estos fenómenos. Se encontró una fuerte relación (R² =0,68) con la temperatura media mensual del aire. A lo largo del rango de temperaturas anuales hay un rango central (14,6° C a 20,0° C) donde las probabilidades que una comunidad de peces sufra mortandades masivas son muy bajas. Su punto central (17,3° C) es muy cercano al valor medio anual (17,2° C) de la variación de temperatura del aire. Se considera esto como una corroboración a nivel de comunidad de la teoría del óptimo fisiológico de Pianka. Esta relación permite monitorear la influencia de los cambios climáticos, dado que la variación ambiental y las zonas de mortalidad y no mortalidad cambiarán con las variaciones predichas de los valores medios mensuales de la temperatura del aire. Date A point or period of time associated with an event in the lifecycle of the resource 2011 Subject The topic of the resource Argentina, Cambio ambiental, Comunidades de peces, Massive fish deaths, Mortandades masivas, Peces de agua dulce, environmental change, fish communities, freshwater fish, temperatura, temperature Source A related resource from which the described resource is derived Revista del Museo Argentino de Ciencias Naturales Publisher An entity responsible for making the resource available Museo Argentino de Ciencias Naturales Bernardino Rivadavia e Instituto Nacional de Investigación de las Ciencias Naturales 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 (General), Science Relation A related resource <a href="http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1853-04002011000200003" target="_blank" rel="noreferrer noopener">http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1853-04002011000200003</a> https://www.socictopen.socict.org/files/original/c23fb860572190727b5102a01e9e50c0.pdf df6e3708246e9614e719a5779f7b81e1 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 Activity and microbial biomass as indicators of organic matter in passion fruit crops (Passiflora edulis) in Toro, Valle del Cauca, Colombia Actividad y biomasa microbianas como indicadores de materia orgánica en sistemas de cultivo de maracuyá (Passiflora edulis) en Toro, Valle del Cauca, Colombia Creator An entity primarily responsible for making the resource Zúñiga Orlando, Gascó José María, Pérez Jesús, Rojas Adriana, Sánchez de Prager Marina Description An account of the resource The relationship among organic matter of the soil, microbial activity and biomass in 3systems of Passion Fruit crop (agriculture-ecological, transition and conventional) in the municipality of Toro (Valle del Cauca) was evaluated. In soil samples taken at random at two depths (0-15 and 15-30 cm), in nine points for handling system, biological properties were measured [microbial activity (C-CO2); microbial biomass (Cmicro) -fumigation, extraction- and physical and chemical properties (organic matter, pH, humidity, texture, apparent density, porosity - traditional methods-)]. Significant differences in organic matter, microbial activity and biomass at both depths specially in the ecological and handling cropping system were observed. The quotients that had energy expense of C -q(CO2)- and reserves starting from microbial C-q(C) showed that loss of C were in the following order: Conventional> Transition> Ecological and the accumulation in the contrary way. Key words: Passiflora edulis Sims var flavicarpa; croping systems; organic matter; microbiology; biomass. El estudio evaluó la relación entre materia orgánica del suelo, actividad y biomasa microbianas. Se usaron tres sistemas de cultivo de maracuyá (agroecológico, transición y convencional) en el municipio de Toro (Valle del Cauca). En muestras tomadas al azar en dos profundidades (0-15 y 1530 cm). En nueve puntos por sistema de manejo se midieron propiedades biológicas [actividad microbiana (C-CO2); biomasa microbiana (Cmicro) -fumigación, extracción- y propiedades físicas y químicas (materia orgánica, pH, humedad, textura, densidad aparente y porosidad -métodos tradicionales-)]. Se encontraron diferencias altamente significativas en materia orgánica, actividad y biomasa microbianas en ambas profundidades, las más notorias entre manejo agroecológico y convencional. Los cocientes que reflejan gasto energético de C -q(CO2)- y reserva a partir de C microbiano -q(C)- señalaron que la pérdida de C decreció en el orden Convencional > Transición > Agroecológico, y la acumulación en el sentido contrario. Palabras claves: Passiflora edulis Sims var flavicarpa; sistemas de cultivo; materia orgánica; biomasa; microbiología. Date A point or period of time associated with an event in the lifecycle of the resource 2006 Subject The topic of the resource Materia orgánica, Microbiology, Passiflora edulis Sims var flavicarpa, biomasa, biomass, croping systems, microbiologia, organic matter, sistemas de cultivo Source A related resource from which the described resource is derived Acta Agronómica 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 Agriculture Relation A related resource <a href="http://revistas.unal.edu.co/index.php/acta_agronomica/article/view/474" target="_blank" rel="noreferrer noopener">http://revistas.unal.edu.co/index.php/acta_agronomica/article/view/474</a>