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Mostrando ítems 90-109 de 188
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Increasing synergistic effects of habitat destruction and hunting on mammals over three decades in the Gran Chaco
(2020-03-17)Habitat destruction and overexploitation are the main threats to biodiversity and where they co-occur, their combined impact is often larger than their individual one. Yet, detailed knowledge of the spatial footprints of ... -
Increment coring induced traumatic resin ducts in white spruce but not in lodgepole pine
(2020-01-30)Injury from sampling increment cores may induce defense responses in trees, which may vary between species and reflect differing defense allocation strategies against attack by insects and pathogens. We recorded presence ... -
Integrating genomic information and productivity and climate-adaptability traits into a regional white spruce breeding program
(Plos ONE, 2022-03)Tree improvement programs often focus on improving productivity-related traits; however, under present climate change scenarios, climate change-related (adaptive) traits should also be incorporated into such programs. ... -
Intraspecific variation in essencial oil composition of A.N. the medicinal plant Lippia integrifolia (verbenaceae), evidence for five chemotypes
(2016-02)The aerial parts of Lippia integrifolia (incayuyo) are widely used in northwestern and central Argentina for their medicinal and aromatic properties. The essential oil composition of thirty-one wild populations of L. ... -
Karyotype studies in Mimosa (Mimosoideae, Leguminosae) from Southern South America and ecological and taxonomic relationships
(Taylor & Francis, 2011)In this work we studied the chromosome number and karyotype formula of seven species of Mimosa L. (Mimosoideae, Leguminosae). The chromosome number 2n = 2x = 26 for M. detinens Benth., M. hex- andra M. Micheli, M. ostenii ... -
Land use changes and bird diversity in subtropical forests: urban development as the underlying factor
(Springer, 2022-12-15)The Serrano Chaco forest is the least extended Gran Chaco forest type with a long his tory of human disturbances, such as ranching, urbanization, fires, an exotic tree species expansion, which have altered natural vegetation ... -
Leaf venation pattern to recognize austral South American medicinal species of “cow's hoof” (Bauhinia L., Fabaceae)
(Elsevier, 2017-04)The leaves extracts of some species of Bauhinia L. s.l. are consumed to treat diabetes, inflammation, pains and several disorders in traditional medicine in austral South America. Despite its wide use and commercialization, ... -
Leaflet trichome micromorphology in the Dolentes-Brevipedes taxonomic complex (Mimosa L., Mimosoideae)
(Tubitak Scientific & Technical Research Council, Turquía, 2016)We studied leaflets of 18 taxa of the genus Mimosa, specifically the Dolentes-Brevipedes taxonomic complex, focusing on micromorphology, type, shape, and density of trichomes. Within the nonglandular trichomes we described ... -
Lectotipificaciones en Mimosa (Leguminosae) del sur de Sudamérica
(Sociedad Argentina de Botánica, 2018)Se procedió a realizar la lectotipificación de tres especímenes del género Mimosa L. que crecen en Argentina: M. obstrigosa Burkart, M. tandilensis Speg. y M. callosa var. longiracemosa Burkart. Se describe el procedimiento ... -
Legumbres funcionales y nutracéuticas comercializadas en el Área Metropolitana de Buenos Aires, Argentina
(Instituto de Botánica del Nordeste, 2016)En este trabajo se analizan datos de relevamientos etnobotánicos de especies de legumbres (Leguminosae) funcionales y nutracéuticas comercializadas en el área Metropolitana de Buenos Aires, Argentina. El estudio fue realizado ... -
Lethal and sublethal effects of the natural and healthy spinosad-based formulation Tracer™ on tadpoles of two neotropical species
(Springer, 2020-11)This paper presents the first acute toxicity data of the natural insecticide spinosad in amphibians. The sensitivity of two neotropical sympatric anuran species, Boana pulchella and Rhinella arenarum, to spinosad-based ... -
Macroporosity of a typic argiudoll with different cropping intensity under no-tillage
(Universia, 2018-08)Soil macropores are dominant pathways of water flow and their impact on hydraulic properties is directly related to their geometrical and topological characteristics. A number of field and micromorphological analysis have ... -
Manipulation of the post-flowering source/sink ratio differentially affects protein composition and gluten quality in contrasting bread wheat genotypes
(Elsevier, 2024-03-28)Studies of the impact of assimilate availability during grain filling on protein composition and gluten quality of bread wheat are scarce. Therefore, this work aimed to analyze the responses of wet gluten percentage, SDS ... -
Mapping a region within the 1RS.1BL translocation in common wheat affecting grain yield and canopy water status
(Springer, 2014-12)The translocation of the short arm of rye (Secale cereale L.) chromosome one (1RS) onto wheat (Triticum aestivum L.) chromosome 1B (1RS.1BL) is used in wheat breeding programs worldwide due to its positive effect on yield, ... -
Mapping extinction debt highlights conservation opportunities for birds and mammals in the south American Chaco
(2018-02)Habitat loss is the primary cause of local extinctions. Yet, there is considerable uncertainty regarding how fast species respond to habitat loss, and how time‐delayed responses vary in space. We focused on the Argentine ... -
Mapping QTL for resistance to new virulent races of wheat stripe rust from two Argentinean wheat cultivars
(Crop Science Society of America, 2018)During the last two decades, new virulent and aggressive races of Puccinia striiformis Westend. f. sp. tritici (Pst) have spread worldwide, causing devastating epidemics and prompting the search for new sources of resistance ... -
Mimosa chacoënsis (Leguminosae), nueva cita para la flora Argentina
(2018-03)Mimosa chacoënsis, perteneciente a la sección Habbasia serie Rojasianae del género Mimosa, es citada por primera vez para la Argentina, en la provincia de Formosa. Esta especie, endémica de la ecorregión del Chaco Seco, ... -
Mimosa diversiplla var. subglabriseta (MimosoIdeae, Leguminosae), a new record for the flora of Paraguay
(Sociedad Argentina de Botánica, 2012-12)The presence of Mimosa diversipila M. Micheli var. subglabriseta Barneby & Fortunato is now reported for first time in Paraguay. A revision of Barneby's initial description of the variety and photographs of one of the ... -
Mimosa serra (Caesalpinioideae, Fabaceae): conservation insights and its presence in Argentina
(Magnolia Press, 2022-11-30)In this work we detected the presence of Mimosa serra for the first time in Argentina and analyzed its distribution and status of conservation. In that country, it species is only known in one population in the Misiones ... -
Molecular evidence of hybrid zones of cedrela (Meliaceae) in the yungas of northwestern Argentina
(2016)In the Yungas of Northwestern Argentina, three endangered species of Cedrela (C. angustifolia, C. saltensis, and C. balansae) follow altitudinal gradients of distribution with contact zones between them. We sampled 210 ...