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Mostrando ítems 21-40 de 74
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Ecological effects and management of invasive alien Vespidae
(Springer, 2011-08)Insect species associated with human goods continue to be accidentally introduced into new locations. A small proportion of these introduced species become invasive, causing a range of impacts in the receiving community. ... -
Ecología de comunidades de malezas de arroz (Oryza sativa L.) como aporte hacia una agricultura sustentable
(Ediciones INTA, 2022-08)En este trabajo se analizan desde un enfoque ecológico comunidades de malezas y plantas indicadoras en sitios bajo cultivo de arroz a una escala regional en la provincia de Corrientes. Los sitios se sometieron a un ... -
Ecology and genetic variation of Amblyomma tonelliae in Argentina
(2015-09)The ecology of Amblyomma tonelliae (Ixodida: Ixodidae), including its seasonal distribution and the development periods of each stage, was investigated during a study carried out over two consecutive years in northwestern ... -
Ecology of the free-living stages of cattle nematodes in the dry season in the Lerma Valley, Salta province, Argentina
(Elsevier, 2024-06)The objective of this work was to describe the dynamics of development and survival of the free-living stages of cattle gastrointestinal nematodes (GIN) in fecal matter (FM) and pasture during the dry season in the Lerma ... -
Ecology of the interaction between Ixodes loricatus (Acari: Ixodidae) and Akodon azarae (Rodentia: Criceridae)
(2015-10)The present study explores associations of different factors (i.e. host parameters, presence of other ectoparasites and [mainly biotic] environmental factors) with burdens of Ixodes loricatus immature stages in one of its ... -
Ecology of the woodwasp Sirex noctilio : tackling the challenge of successful pest management
(2012-08)The invasive woodwasp Sirex noctilio has become one of the most significant pests of pine forests throughout the northern and southern hemispheres. In Patagonia (southern Argentina), S. noctilio was first detected in the ... -
Ecosystem services research in contrasting socio-ecological contexts of Argentina: critical assessment and future directions
(Elsevier, 2015-12)In Argentina, agricultural expansion and intensification has stimulated the utilization of the ecosystem services (ES) approach to understand the consequences of land-use and land-cover changes. However, Argentina's ... -
Endophytes of native grasses from South America: biodiversity and ecology
(Elsevier, 2012-06)We review and present preliminary results of studies on cool-season grass endophytes native to South America. These fungi have been studied only in Argentina, where they have been detected in 36 native grass species. The ... -
Establishing the ecological restoration network in Argentina: from Rio1992 to SIACRE2015
(2015-03)The development of the science and practice of restoration ecology in Argentina can be divided into three periods. The first was 1992–2004, characterized by isolated restoration efforts, mostly in arid and dry ecosystems, ... -
Estudio sobre desarrollo y supervivencia de estadios de vida libre de nematodos gastrointestinales bovinos en el Valle de Lerma, provincia de Salta
(Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 2021-09)En el estudio de la epidemiologia de los nematodos gastrointestinales (NGI), el conocimiento adecuado de los estadios de vida libre de estos es una de las claves más importantes para diseñar con un carácter racional programas ... -
Evaluación de la transición agroecológica de un establecimiento ganadero a base de pastizal de la cuenca del Salado, mediante indicadores = Evaluation of the agroecological transition through indicators of a livestock establishment based on native grasslands of the Salado basin
(Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, 2019-06)Son muy escasas las experiencias documentadas de manejos agroecológicos en sistemas extensivos de zonas templadas, en particular las que contemplen la utilización de pastizales naturales. Por ello nos propusimos evaluar ... -
Exceptional foraging plasticity in King Penguins (Aptenodytes patagonicus) from a recently established breeding site in Tierra del Fuego, Chile
(Elsevier, 2021-06-05)Animals constantly test the borders of their own ecological niche and tend to expand their range, which is now additionally challenged by global climate change. Following human exploitation throughout the Southern Ocean ... -
Exploring the ecological and evolutionary relationships between Rickettsia and hard ticks in the Neotropical region
(Elsevier, 2021-06)This study addresses a meta-analysis of the distribution of Rickettsia spp. in the Neotropical region, as well as their associations with ticks and vertebrates. A total of 219 published reports on Rickettsia in ticks in ... -
Focusing conservation efforts on ecosystem service supply may increase vulnerability of socio-ecological systems
(2016)La creciente preocupación por la pérdida de servicios de los ecosistemas (ES) promueve su representación espacial como una herramienta clave para la internalización del marco ES en las políticas de uso del suelo. ... -
Grass-shrub coexistence: understanding root distribution in ecological sites of the Semiarid Chaco, Argentina
(Taylor & Francis, 2021-12)The objective of this study was to analyze the root distribution of grasses and shrubs, at different soil depths, in two ecological sites (ES): highland (forest) and lowland (grassland). The root density (RD) estimation ... -
Huella ecológica de la producción frutícola convencional y orgánica en Río Negro y Neuquén
(EEA Alto Valle, INTA, 2022)Dentro de la fruticultura desarrollada en el Alto Valle de Río Negro y Neuquén existe la tendencia al incremento de la eficiencia de las prácticas convencionales para reducir el uso de insumos costosos, escasos o ambientalmente ... -
Implementación de un sistema silvopastoril utilizando el concepto de sitio ecológico : caso práctico
(EEA Santiago del Estero, INTA, 2024-02)Los Sistemas Silvopastoriles SSP en la región Chaqueña son implementados con el fin de superar limitantes forrajeras y mantener los atributos del bosque. Es escasa la información sobre el mapeo de los sitios ecológicos que ... -
Implementos/herramientas/maquinarias desarrolladas/adaptadas por personas emprendedoras, familias productoras y artesanas, técnicos de la agroecología
(Sociedad Argentina de Agroecología (SAAE), 2022-12-15) -
Interacciones ecológicas en bosques de Nothofagus antarctica bajo uso silvopastoril en Patagonia sur continental
(Asociación Española de Ecología Terrestre, 2018-12)Los bosques de ñire (Nothofagus antarctica) en el sur de Patagonia se ubican mayoritariamente limitando con la estepa. De esta manera, han sido utilizados como sistemas silvopastoriles con ganadería ovina y/o bovina desde ... -
Interacción de controles humanos y ambientales sobre la ecología y socio-economía de sistemas productivos semiáridos del Chaco y Espinal
(Universidad de Buenos Aires, 2017-04-01)El avance agrícola hacia regiones de mayor aridez crece en todo el mundo y particularmente en Sudamérica, generando cuestionamientos sobre su viabilidad productiva, sus costos ambientales y beneficios socio-económicos. ...