730
10
20655
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https://socictopen.socict.org/files/original/6da17786331b1990c75a5690e9b469aa.pdf
f5a1b7cd3ae0d7ad7dd59a8f0e6a5899
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
Health, biodiversity, and natural resource use on the Amazon frontier: an ecosystem approach Saúde, biodiversidade e uso de recursos naturais na fronteira da Amazônia: uma abordagem ecossistêmica
Creator
An entity primarily responsible for making the resource
Tamsyn P. Murray, José Sánchez-Choy
Description
An account of the resource
This study aims to improve the health of rural Amazonian communities through the development and application of a participatory ecosystem approach to human health assessment. In the study area marked seasonal fluctuations dictate food availability, water quality and disease outbreak. Determining the causal linkages between ecosystem variables, resource use and health required a variety of forms of inquiry at multiple scales with local participation. Landscape spatial mapping of resource use demonstrated the diversity of the ecological resources upon which communities depend. Household surveys detailed family and individual consumption and production patterns. Anthropometric measurements, parasite loading, water quality and anemia levels were used as indicators of health status. This was complemented with an ethnographic and participatory health assessment that provided the foundation for developing community action plans addressing health issues. Discussion is focused on three attributes of an ecosystem approach; (a) methodological pluralism, (b) cross-scale interactions and (c) participatory action research.O estudo visa melhorar a saúde das comunidades rurais amazônicas mediante o desenvolvimento e a aplicação de abordagem ecossistêmica participante na avaliação da saúde humana. Na área estudada, oscilações sazonais definem a disponibilidade de alimentos, a qualidade da água e a incidência de doenças. A determinação dos elos causais entre variáveis ecossistêmicas, uso de recursos e saúde exigiu uma gama de formas de investigação, em múltiplas escalas, com participação local. O mapeamento espacial da paisagem quanto ao uso de recursos mostrou a diversidade dos recursos ecológicos de que as comunidades dependem. Inquéritos domiciliares detalharam padrões de consumo e produção familiares e individuais. Medidas antropométricas, carga parasitária, qualidade da água e níveis de anemia foram empregados como indicadores do estado de saúde individual e coletivo. Tais marcadores foram complementados com avaliação etnográfica e participante sobre saúde, o que criou a base para desenvolver planos de ação comunitária para lidar com questões de saúde. A discussão enfoca três atributos de abordagem ecossistêmica: (a) pluralismo metodológico, (b) interações transversais, em termos de escala e (c) pesquisa-ação participante.
Date
A point or period of time associated with an event in the lifecycle of the resource
2001
Subject
The topic of the resource
Amazonian Ecosystem, Anthropometry, Antropometria, Saúde Rural, ecología humana, ecossistema amazônico, human ecology, nutrition, nutrição, rural health
Identifier
An unambiguous reference to the resource within a given context
10.1590/S0102-311X2001000700028
Source
A related resource from which the described resource is derived
Cadernos de Saúde Pública
Publisher
An entity responsible for making the resource available
Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz
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, Public aspects of medicine
Relation
A related resource
<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-311X2001000700028" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-311X2001000700028</a>
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https://socictopen.socict.org/files/original/09de76eb83280a7db9487871da4e7b36.pdf
670c28ed73ea6bf85b136f97bf081c25
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
Las especies del género Schwartzia (Complejo Norantea, Marcgraviaceae) en Brasil
Creator
An entity primarily responsible for making the resource
DIEGO GIRALDO-CAÑAS
Description
An account of the resource
Schwartzia es un pequeño género de la familia neotropical Marcgraviaceae que comprende 17especies. Éste se distribuye en bosques húmedos de tierras bajas o en bosques montanos de niebla desdeCosta Rica hasta el sur de Brasil y también en las Antillas Menores. En esta contribución se tratan tresespecies, todas endémicas de Brasil, una de las cuales se describe como nueva. Cada taxón se describey además se brindan datos acerca de su distribución geográfica y ecología. Además se provee una clavepara la identificación de los taxones presentes en Brasil
Date
A point or period of time associated with an event in the lifecycle of the resource
2004
Source
A related resource from which the described resource is derived
Darwiniana
Publisher
An entity responsible for making the resource available
Instituto de Botánica Darwinion y el Museo Botánico de Córdoba
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), Science, Botany
Relation
A related resource
<a href="http://www.redalyc.org/articulo.oa?id=66942408" target="_blank" rel="noreferrer noopener">http://www.redalyc.org/articulo.oa?id=66942408</a>
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https://socictopen.socict.org/files/original/680ac6a696b3ec18e95ad445d6ee6824.pdf
314656c5a4ff475f2ed297531849d95b
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
Selección de indicadores de gestión y desarrollo territorial en municipalidades
Creator
An entity primarily responsible for making the resource
Xavier Alfredo Cobeña Andrade
Description
An account of the resource
La presente investigación tiene como objetivo que los planificadores del desarrollo municipal, autoridades locales y sociedad civil, conozcan parámetros de medición de los resultados de la gestión pública, de los esfuerzos de la sociedad civil y las inversiones privadas en el progreso de sus comunidades. Esto se logra a través del análisis de experiencias previas en la formulación de planes de desarrollo, ordenamiento territorial, desarrollo sostenible crecimiento económico, conservación ambiental, cobertura y calidad de los servicios públicos. Es necesario también, incorporar el análisis del desarrollo territorial desde una mirada multidimensional, incorporar el componente comunicacional y empoderar a la sociedad civil en el seguimiento y cumplimiento de metas propuestas. Es importante adelantar que el alcance de esta investigación es municipal, cantonal o departamental dependiendo de la división política administrativa que corresponda a cada país y tiene un sesgo cultural latinoamericano, considerando el potencial que han demostrado los municipios de esta región en realizar importantes progresos en materia de desarrollo local. Palabras clave: Indicadores municipales, desarrollo territorial.
Date
A point or period of time associated with an event in the lifecycle of the resource
2016
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/325" target="_blank" rel="noreferrer noopener">http://revistas.utm.edu.ec/index.php/ECASinergia/article/view/325</a>
-
https://socictopen.socict.org/files/original/cbd0db0512513cfcfb3f270f7f445aee.pdf
854b8061e07a6f41efeb20e1a7aace60
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 videocable
Creator
An entity primarily responsible for making the resource
Oscar Landi, Ariana Vacchieri
Description
An account of the resource
En Argentina se ha configurado un fenómeno sumamente importante en la ecología de medios de televisión por cable. El sistema cerrado, uno de los de mayor expansión mundial, abrió las puertas de la televisión a la mayor parte del país, que hasta entonces solo tenía acceso a los programas de las emisoras de la Capital.
Date
A point or period of time associated with an event in the lifecycle of the resource
2015
Subject
The topic of the resource
Argentina, TELEVISIÓN POR CABLE
Source
A related resource from which the described resource is derived
Chasqui
Publisher
An entity responsible for making the resource available
Centro Internacional de Estudios Superiores de Comunicación para América Latina (CIESPAL)
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Communication. Mass media
Relation
A related resource
<a href="http://revistachasqui.org/index.php/chasqui/article/view/2118" target="_blank" rel="noreferrer noopener">http://revistachasqui.org/index.php/chasqui/article/view/2118</a>
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https://socictopen.socict.org/files/original/0c18b7c47a548d9f803892ff83007f06.pdf
aeebcbad4752b8ab590ef4c6da6ba99f
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
A prática da ecologia de saberes: reflexões sobre a hipermídia educativa a invenção do outro na mídia semanal
Creator
An entity primarily responsible for making the resource
Andréia Moassab
Description
An account of the resource
O lugar das Ciências Sociais e Humanas (CSH) na universidade do futuro deve ser pensado a partir de uma ecologia de saberes. Nesse rumo, acreditamos caber às humanidades a função de tutores para fazer valer dentro da universidade os diversos conhecimentos que ao longo de séculos foram negligenciados pela ciência moderna hegemônica. Pensaremos esse papel das CSH a partir da experiência com a pesquisa A Invenção do Outro na Mídia Semanal, desenvolvida na PUCSP/ Brasil. Neste trabalho participaram, além de especialistas, lideranças sociais, moradores de ocupação e da periferia, artistas do hip-hop e cidadãos comuns. Apesar da oralidade ganhar importância em trabalhos desta natureza, ainda assim para determinados conhecimentos, a oralidade é tão opressora quanto a escrita. Descobrimos conjuntamente que imagens e sons podem também dar conta de um discurso que não é oral, nem escrito. Esta descoberta foi imersa em silêncios reveladores.
Date
A point or period of time associated with an event in the lifecycle of the resource
2008
Subject
The topic of the resource
Ciências humanas, Emancipação, Oralidade, Saber, Universidade, ecología
Identifier
An unambiguous reference to the resource within a given context
10.4000/eces.1367
Source
A related resource from which the described resource is derived
e-cadernos ces
Publisher
An entity responsible for making the resource available
Centro de Estudos Sociais da Universidade de Coimbra
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), General Works
Relation
A related resource
<a href="http://journals.openedition.org/eces/1367" target="_blank" rel="noreferrer noopener">http://journals.openedition.org/eces/1367</a>
-
https://socictopen.socict.org/files/original/680c7c87d7616d5a5a489ec21e0635ef.pdf
7669e63ad38af38126de66fc629162e9
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 plan von Prahl
Creator
An entity primarily responsible for making the resource
Arturo Acero Pizarro
Description
An account of the resource
Malpelo la roca viviente. Henry von Prahl. Fondo Fen Colombia, Bogotá, 1990, 57 págs.
Date
A point or period of time associated with an event in the lifecycle of the resource
1991
Subject
The topic of the resource
Colombia, Ecología marina, Malpelo (Isla, Reseñas de libros
Source
A related resource from which the described resource is derived
Boletín Cultural y Bibliográfico
Publisher
An entity responsible for making the resource available
Banco de la República
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Bibliography. Library science. Information resources
Relation
A related resource
<a href="http://publicaciones.banrepcultural.org/index.php/boletin_cultural/article/view/2353" target="_blank" rel="noreferrer noopener">http://publicaciones.banrepcultural.org/index.php/boletin_cultural/article/view/2353</a>
-
https://socictopen.socict.org/files/original/26747c9ea60b1f76436b2555db1776ee.pdf
8e3a01af93bf23d56943cb3901428e2d
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
Feeding ecology of Ozotoceros bezoarticus: conservation implicationsin Uruguay Ecología trófica de Ozotoceros bezoarticus: implicaciones para su conservación en Uruguay
Creator
An entity primarily responsible for making the resource
Mariana Cosse, Susana González, Mariano Gimenez-Dixon
Description
An account of the resource
The pampas deer (Ozotoceros bezoarticus Linnaeus, 1758) was in the recent past one of the most characteristic species in the Uruguayan grasslands. However, today the species is very rare, with small relict populations inhabiting in few ranches. To improve our understanding of pampas deer habitat use in modified ecosystems and propose management guidelines we analyzed the pampas deer feeding ecology at Los Ajos ranch. We performed an annual vegetation survey with the purpose to identify the main components of pampas's deer diet and the spatial overlap with livestock. Vegetation offer was characterized by predominance of monocotyledon plants; in three of the four sample periods. The preference values for the crops were positive for ryegrass in winter (0.24) and spring (0.54), the moments of greatest productivity of this pasture; while the rice crops values were negative all year round. The spatial overlap indexes with sheep show a complete exclusion, whereas with cattle the indexes gave values of 0.95 in spring to 0.14 in summer. The niche amplitude was significantly correlated with the spatial overlap levels with cattle. Pampas deer foraging behaviour is opportunistic, typical of mixed feeders. Conservation efforts should focus on implementation of management guidelines of agriculture and cattle breeding activities.El venado de campo (Ozotoceros bezoarticus Linnaeus, 1758) fue en el pasado reciente una especie focal de las pasturas uruguayas. Sin embargo, hoy día es una especie rara, con pequeñas poblaciones aisladas que ocupan establecimientos agropecuarios. En este trabajo se analizan aspectos de la ecología trófica en una población de venado de campo. El objetivo es: comprender la interacción entre esta especie y un ecosistema modificado por la actividad agrícola-ganadera. Se busca así proponer medidas de manejo de la población y del ambiente que ocupa. En este trabajo se identifican los principales componentes de la dieta y el grado de solapamiento espacial con el ganado doméstico, para ello se realizó un muestreo anual de la vegetación, se colectaron fecas de venado de campo y se analizó la distribución espacial de los distintos herbívoros que ocupan el establecimiento agropecuario. La oferta de vegetación se caracterizó, en tres de cuatro períodos de muestreo, por una predominancia de plantas monocotiledóneas. Los valores de preferencia para los cultivos fueron positivos para el ryegrass en invierno (0.24) y primavera (0.54), los momentos de mayor productividad de esta pastura; mientras que el cultivo de arroz mostró valores negativos de preferencia a lo largo de todo el año de estudio. Los índices de solapamiento espacial mostraron una completa exclusión con el ganado ovino, mientras que con el ganado bovino se obtuvieron índices de 0.95 en primavera a 0.14 en el verano. La amplitud de nicho tuvo una correlación significativa con el nivel de solapamiento espacial con el ganado vacuno. El comportamiento de forrajeo del venado de campo es oportunista, típico de los rumiantes de tipo intermedio (mixed feeders). Los esfuerzos de conservación deben focalizarse en la implementación de lineamientos de manejo de las actividades agrícolas-ganaderas.
Date
A point or period of time associated with an event in the lifecycle of the resource
2009
Subject
The topic of the resource
diet, dieta, habitat use, mixed feeders, niche overlap, pampas deer, rumiantes intermedios, solapamiento de nicho, uso del hábitat, venado de campo
Identifier
An unambiguous reference to the resource within a given context
10.1590/S0073-47212009000200007
Source
A related resource from which the described resource is derived
Iheringia: Série Zoologia
Publisher
An entity responsible for making the resource available
Fundação Zoobotânica do Rio Grande do Sul
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Zoology
Relation
A related resource
<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212009000200007" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212009000200007</a>
-
https://socictopen.socict.org/files/original/7256825e2b10d357627b4afe64978ea7.pdf
becb560729fe1c5a2ab9111ca9a0566d
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
Phytoplankton variability in Lake Fraijanes, Costa Rica, in response to local weather variation
Creator
An entity primarily responsible for making the resource
Gerardo Umaña-Villalobos
Description
An account of the resource
Phytoplankton species show a variety in morphology which is the result of adaptations to pelagic life including responses to fluctuations in water column dynamics driven by weather conditions. This has been reported in the oceans and in Northern temperate lakes. In order to observe whether tropical freshwater phytoplankton responds to seasonal variation in weather, the weekly variation in temperature of the water column and phytoplankton composition was studied in Lake Fraijanes, Costa Rica, a shallow (6.2m) lake at 1 640m above sea level. A chain of data loggers for temperature was placed in the deepest point in the lake to register temperature every hour at four different depths, and phytoplankton samples were retrieved every week for a year. Additional monthly samples for nutrients were taken at two depths. Notwithstanding its shallowness, the lake developed a thermal gradient which kept the water column stratified for several months during dry season. Whole lake overturns occurred during cold spells with intense precipitation. Phytoplankton changed throughout the year mainly through a shift in dominant taxa. From September to February the lake was frequently mixed by rain storms and windy weather. At this time, phytoplankton was dominated by Chlorococcal green algae. From March to June, the lake was stratified and warmer. Phytoplankton became dominated by Cyanobateria, mainly colonial Chroococcales. The rainy season started again in May 2009. During June and July the lake started to mix intermittently during rain events and phytoplankton showed a brief increase in the contribution of Chlorococcales. These changes fitted well to a general model of phytoplankton succession based on functional groups identified according to their morphology and adaptations.
Date
A point or period of time associated with an event in the lifecycle of the resource
2014
Subject
The topic of the resource
Estratificación, Fitoplâncton, Lagos, ecología, limnología tropical, variaciones en el tiempo local
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=S0034-77442014000100006&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442014000100006&lng=en&tlng=en</a>
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https://socictopen.socict.org/files/original/eaf60f765e153754cb122893809058bb.pdf
a6157f39fd4e781a1d9016a7109a8136
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
Efectos del disturbio antrópico sobre las poblaciones de Leprolochus birabeni (Araneae, Zodariidae) en el Chaco Seco del noroeste de Argentina
Creator
An entity primarily responsible for making the resource
Víctor M. Torres, Andrea X. González-Reyes, Sandra M. Rodriguez-Artigas, José A. Corronca
Description
An account of the resource
RESUMEN Se conoce poco sobre la biología y la ecología de la especie mirmecófaga Leprolochus birabeni Mello-Leitão, 1942 (Zodariidae), el único representante de este género en la Argentina. Esta especie es típica de ambientes áridos del norte del país, y su estudio en el Chaco Seco es relevante, por ser una ecorregión altamente perturbada con uno de los pocos bosques subtropicales secos del mundo. El objetivo de este trabajo es estudiar la demografía de la especie teniendo en cuenta su variación estacional en ambientes nativos, y sí la ganadería y la agricultura, dos de las actividades antropogénicas más comunes de la ecorregión Chaco Seco en la provincia de Salta (Argentina) producen cambios en sus poblaciones. Se consideraron tres tipos de ambientes: nativo (NA); afectados por el ganado vacuno y caprino (NP); y afectados por la agricultura (NC). Este último correspondió a parches de vegetación nativa en medio de una matriz agrícola. En cada tipo de ambiente se consideraron tres sitios de muestreo donde se realizaron muestreos estacionales utilizando trampas de caída durante el otoño, invierno y primavera de 2006 y el verano de 2007. Se recolectaron 549 ejemplares de L. birabeni , siendo la mayoría juveniles con el 64,12% de la abundancia total, seguidos por machos (26,41%) y hembras (9,47%). A nivel de paisaje, la primavera presentó el mayor número de individuos, llegando al 44,99% de la abundancia total; mientras que el otoño mostró el porcentaje más bajo (7,83%). El incremento de los juveniles durante el invierno podría indicar una adaptación de los estadios de desarrollo a las condiciones ambientales. El mismo patrón se observó en ambientes NA y NC, pero no en los NP. Estos últimos mostraron una disminución en la abundancia de adultos a lo largo del año; mientras que las poblaciones NC mostraron un incremento en la abundancia de los machos durante la primavera, con una fuerte reducción de las hembras y los juveniles durante todo el año. La abundancia de L. birabeni en ambientes NA fue mayor (41,06% de la abundancia total), siendo los valores mínimos registrados en NC (24,67%). Las dos actividades antropogénicas más comunes que afectan al Chaco Seco de la provincia de Salta modifican tanto los cambios estacionales como la representación de las diferentes etapas de desarrollo y sexos de las poblaciones nativas de L. birabeni , siendo la modificación de los ambientes nativos por la agricultura, el factor más perjudicial.
Date
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2016
Subject
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Demografia, arañas, cambios poblacionales, ecorregión Chaco, variación estacional
Identifier
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10.1590/1678-4766e2016009
Source
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Iheringia: Série Zoologia
Publisher
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Fundação Zoobotânica do Rio Grande do Sul
Coverage
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Zoology
Relation
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<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212016000100209&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212016000100209&lng=en&tlng=en</a>
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https://socictopen.socict.org/files/original/437d3a7d78291e5ea280065ae271d4a7.pdf
4149007130f70f1a0322d8044ea2dad4
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
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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Degradación física y química de dos suelos del cordón hortícola platense: Alternativas de tratamiento Physical and chemical degradation of two horticultural soils of La Plata: Alternative treatment
Creator
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Daniel Fernández, Mabel Vázquez, Ricardo Andreau, Pablo Gelati, Mauro Provaza, Diego Bennardi
Description
An account of the resource
La producción hortícola/florícola bajo cubierta requiere un manejo intensivo con riego, fertilizaciones y labranzas permanentes. Esto conduce a una degradación difícil de revertir. Entre las problemáticas se encuentran las derivadas de la sodicidad, salinidad, presencia de sustancias tóxicas para los vegetales, pérdida de materia orgánica y fertilidad física. Objetivos: a) evaluar el impacto progresivo hasta 21 años de uso intensivo bajo cubierta sobre diferentes propiedades químicas y físico-químicas en dos suelos del área; b) analizar el efecto de la aplicación de diferentes enmiendas orgánicas y químicas sobre variables químicas, fisico-químicas y físicas, en un suelo Argiudol vértico representativo de la región con 14 años de uso continuo en invernáculo, a los fines de seleccionar indicadores de calidad. Suelos: Argiudol vértico Serie Arturo Seguí. Antecedentes: 0 -21 años de cultivo bajo cubierta. Análisis: suelo (pH, conductividad eléctrica(CE), RAS, carbono orgánico total(COT) y particulado(Cp), N total(Nt), P extractable, NO3-, densidad aparente(Dap), porosidad (P), estabilidad estructural (DMP), agua de riego (CE, cationes y aniones), abonos orgánicos (materia orgánica, pH, Na, humedad). Tratamientos correctores: T0 (Testigo), T1 (Cáscara de arroz +Yeso+ Azufre), T2 (Compost + Yeso + Azufre), T3 (Cama de pollo + Yeso + Azufre), T4 (yeso), T5 (azufre), T6 (yeso + azufre). Se comprobó un deterioro progresivo de las cualidades productivas de los suelos a causa del aumento lineal del pH y curvilíneo de la sodicidad (RAS) y la salinidad (CE), disminución curvilínea del COT e incrementos irregulares de P extractable, muy elevados en algunos casos. Los tratamientos con agregado de cáscara de arroz y cama de pollo, ambos con adición de yeso y azufre fueron los más efectivos en términos generales para el control de la pérdida de materia orgánica (COT, CP) y propiedades físicas relacionadas (DMP, P, Dap) afectadas por el uso en un invernáculo con 14 años de antigüedad productiva.Horticultural and floricultural in greenhouse production requires intensive management with irrigation, fertilization and permanent tillage. This leads to irreversible soil degradation. Among the problems are those derived by sodicity, salinity, presence of toxic vegetables and loss of organic matter and physical fertility. Objectives: a) assess the impact of intensive greenhouse production of different chemical and physicochemical properties in two soils of the area during 21 years, b) analyze the effect of the application of different organic and chemical amendments on chemical, physical and physical-chemical variables on a Vertic Argiudol soil representative of the region with 14 years of continuous use in greenhouses, in order to select quality indicators. Soils: Serie Arturo Seguí. Antecedents: 0-21 years of cultivation under cover. Analysis: soil (pH, electrical conductivity (CE), RAS, easily oxidizable organic carbon (COT) and particulate carbon (Cp), total N (Nt), extractable P, NO3-, apparent density (Dap), porosity (P), structural stability (DMP)), water irrigation (CE, cations and anions), organic fertilizers (organic matter, pH, Na, humidity). Corrective treatments: T0 (witness), T1 (rice shell + gypsum + sulphur), T2 (compost + gypsum + sulphur), T3 (chicken bed (Cp) + gypsum + sulphur), T4 (gypsum ), T5 (sulphur), T6 (gypsum + sulphur). A progressive deterioration of the productive qualities of the soil was confirmed due to the linear increase of pH and sodicity curvilinear (RAS) and salinity (CE), curvilinear decrease of COT and extractable P increases irregularly, very high in some cases. Treatments with rice shell and chicken bed, both gypsum and sulfur addition, were the most effective for the control of the loss of organic matter (COT, Cp) and related physical properties (DMP, P, Dap) affected by use in a greenhouse for 14 years.
Date
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2012
Subject
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Materia orgánica, Salinity, Sodicidad, estabilidad estructural, organic matter, salinidad, sodicity, structural stability
Source
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Ciencia del Suelo
Publisher
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Asociación Argentina de la Ciencia del Suelo
Coverage
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Agriculture (General), Plant culture
Relation
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<a href="http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1850-20672012000200008" target="_blank" rel="noreferrer noopener">http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1850-20672012000200008</a>