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Mostrando ítems 11935-11954 de 12705
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Thermal time and extreme weather events determine the emergence of Amaranthus palmeri
(Brazilian Weed Science Society, 2022-03-10)Background: Amaranthus palmeri has emerged as the most widespread weed of agricultural land in large parts of North and South America. Understanding its population dynamics and the influence of meteorological variables ... -
Think globally, measure locally: The MIREN standardized protocol for monitoring plant species distributions along elevation gradients
(Wiley, 2022-02)Climate change and other global change drivers threaten plant diversity in mountains worldwide. A widely documented response to such environmental modifications is for plant species to change their elevational ranges. Range ... -
Thinking in the sustainability of Nothofagus antarctica silvopastoral systems, how differ the responses of seedlings from different provenances to water shortage?
(2017-12)Nothofagus antarctica, is the most important species of the silvopastoral systems of southern Patagonia. However, there is limited information on the ecophysiological response mechanisms of seedlings for survival under ... -
Third Consecutive La Niña? What to Expect from Soybean Yields in the United States, Brazil and Argentina
(University of Illinois, 2022-05-23)International long-term forecast models hint at the possibility of a third consecutive La Niña event this year. It is not uncommon to see La Niña occurring over two successive seasons. This happened in both 2021-2022 and ... -
Three easy fixes for sire use can enhance genetic progress in community-based breeding programmes
(Wiley, 2021)We analysed options to optimize the use of sires in sheep and goat community-based breeding programmes (CBBP) for three scenarios occurring under field conditions: premature sale of selection candidates, fixed service ... -
Three new South American species of genus Aphis (Hemiptera: Aphididae) living on species of Euphorbia (Euphorbiaceae)
(2016-03)Three species of Aphis living on species of Euphorbia in Argentina and Chile are described: Aphis tehuelchis Nieto Nafría & López Ciruelos, sp. n., from viviparous females collected in the Argentinean provinces of Santa ... -
Tick host specificity: an analysis based on host phylogeny and tick ecological features using Amblyomma triste and Amblyomma tigrinum immature stages
(2018-05)Here we have evaluated tick host specificity with two different methodological approaches considering Amblyomma tigrinum and Amblyomma triste immatures as targets. Firstly, the Std* index was applied, which considers host ... -
Ticks (Acari: Argasidae, Ixodidae) from Middle and pre-Hispanic Late Holocene associated with human activities in northwestern Argentina
(2013-02)One male of Amblyomma parvitarsum and one male and a female of Ornithodoros sp. were recovered from archaeological layers of the Middle Holocene in a rock shelter in the province of Catamarca, used by hunter-gatherer groups. ... -
Ticks (Acari: Ixodidae) associated with small terrestrial mammals in the state of Minas Gerais, southeastern Brazil
(Springer, 2012-10)From June 2005 to November 2010, 43 small mammals encompassing 6 species of Didelphimorphia, 8 species of Rodentia, and 1 species of Lagomorpha were found parasitized by ticks in the state of Minas Gerais, southeastern ... -
Ticks (Acari: Ixodidae) of Nepal: first record of Amblyomma varanense (Supino), with an update of species list
(2018-03)Males and females specimens of Amblyomma were collected from Orthriophis hodgsoni (Squamata: Colubridae) caught during routine herpetological work in Kathmandu. Morphological characteristics led to the diagnosis of A. ... -
Ticks (Acari: Ixodidae) of northern Misiones Province, Argentina
(Systematic and Applied Acarology Society, 2014-12)Information on distribution and hosts of hard ticks of northern Misiones Province in Argentina is presented in this study. Ticks were identified by morphological characters and by sequences of a 410 bp fragment of the ... -
Ticks (Acari: Ixodidae) on wild birds in north-central Argentina
(2014-10)Ixodid ticks were collected from wild birds in five ecoregions in north-central Argentina, namely: Selva de las Yungas, Esteros del Iberá, Delta e Islas del Paraná, Selva Paranaense and Chaco Seco. A total of 2199 birds ... -
Ticks (Acari: Ixodidae) parasitizing endemic and exotic wild mammals in the Esteros del Iberá wetlands, Argentina
(Systematic and Applied Acarology Society, 2012-08)Five species of ticks belonging to the genera Amblyomma, Haemaphysalis and Rhipicephalus were recorded from endemic and exotic wild mammals in the Esteros del Iberá wetlands, Argentina. Adults and immature stages of Amblyomma ... -
Ticks (Acari: Ixodidae, Argasidae) associated with wild birds in Argentina
(Elsevier, 2023-05)The aim of this study was to report tick infestations on wild birds from four Phytogeographic Provinces of Argentina. A total of 1085 birds was captured (124 species, 97 genera, 29 families and 13 orders), and ticks were ... -
Ticks infesting cattle and humans in the Yungas Biogeographic Province of Argentina, with notes on the presence of tick-borne bacteria
(2018-01)This study was performed to determine the tick species that infest cattle and humans throughout an altitudinal gradient in the Yungas Biogeographic Province of Argentina. The presence of tick-borne bacteria of the genera ... -
Ticks infesting humans in Northern Misiones, Argentina
(2016)This work presents records of ticks infesting humans in northern Misiones Province, Argentina. Also, notes on potential transmission of tick-borne pathogens are included. A total of 282 ticks attached to researchers were ... -
Tiempo de pariciones. Recomendaciones generales
(AER Chos-Malal, INTA, 2022-10)En el norte de la Patagonia las pariciones de caprinos y ovinos se concentran en los meses de primavera . Compartimos recomendaciones generales a tener en cuenta para un adecuado manejo de los animales en tiempo de parición. -
Tiempo de tránsito y su relación con el duramen de Gonopterodendron sarmientoi Lorentz ex Griseb (Palo Santo) en el chaco argentino
(Red Argentina de Ciencia y Tecnología Forestal, 2023-03-27)El palo santo, Gonopterodendron sarmientoi Lorentz ex Griseb A. C. Godoy-Bürki (Zigophyllaceae), es una especie de alto valor maderable. Se caracteriza por presentar color verde pastel a verde azulado en su duramen, alto ... -
Tiendas digitales: el desafío de la agricultura familiar y la economía social y solidaria
(Estación Experimental Agropecuaria La Rioja, INTA, 2021)El propósito de este artículo es dar cuenta del recorrido y los aprendizajes realizados por las seis organizaciones participantes de La Rioja y Catamarca en el proceso de formación del Taller de inclusión al mercado ... -
La tierra como acervo de bienes comunes. Los conflictos sociales sobre bienes comunes ligados a la extranjerización de la tierra en la Argentina
(FLACSO, 2017-06)El tema del acaparamiento de tierras por parte de extranjeros ha sido ampliamente estudiado en distintas regiones del mundo, analizando las características de los inversores, las consecuencias sobre los campesinos que deben ...