Artículos de revista: Envíos recientes
Mostrando ítems 761-780 de 872
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Identidad taxonómica de Diodia angustata (Rubiaceae) y su transferencia a Planaltina
(Instituto de Pesquisas Jardim Botanico do Rio de Janeiro, 2016)Como parte de los estudios del género Diodia en América, se presenta aquí una discusión de la identidad taxonómica de Diodia angustata. En base al estudio de colecciones recientes y materiales originales, se propone ... -
Flora das cangas da Serra dos Carajás, Pará, Brasil : Rubiaceae
(Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2017)Este estudo compreende as espécies de Rubiaceae que ocorrem sobre canga na Serra dos Carajás, estado do Pará, Brasil, incluindo chaves de identificação, descrições detalhadas, ilustrações e comentários morfológicos das ... -
Pollen morphology of eight species of stemodia (plantaginaceae) from South America
(Taylor & Francis, 2011-10-25)The pollen morphology of eight species of Stemodia L. (Plantaginaceae) was analysed with the aim of refining the taxonomy of this genus. The pollen grains were examined with both light and scanning electron microscopes. ... -
Assessment of the abundance and diversity of calliphoridae and sarcophagidae (diptera) in sites with different degrees of human impact in the Iberá Wetlands (Argentina)
(Entomological Society of America, 2016-04-22)The aim of the present study was to explore the diversity and describe the spatial distribution of Calliphoridae and Sarcophagidae along an urbanization gradient in the Iber_a Wetlands. The flies were collected at 18 ... -
Conflictos socioambientales generados por la dinámica natural de las lagunas de las lomadas arenosas de la provincia de Corrientes (República Argentina)
(Sociedad Argentina de Estudios Geográficos, 2017-07-29)El objetivo de este trabajo es determinar cómo las dinámicas de las lagunas de la región de lomadas arenosas de la provincia de Corrientes repercuten en la sociedad. Para ello se ha realizado un seguimiento del crecimiento ... -
Physicochemical and microbiological evaluation of Corrientes artisanal cheese during ripening
(Sociedade Brasileira de Ciência e Tecnologia de Alimentos, 2013-03-19)The aim of this study was to evaluate some physical and chemical parameters (total solids, pH, acidity, fat, acid degree value of fat, salt, protein and nitrogen fractions) and their effects on the beneficial (lactic acid ... -
Karyotypes of some species of the genus Lessingianthus (vernonieae, asteraceae) and taxonomic implications
(Wiley, 2014-09-11)We determined the karyotypes of nine species of Lessingianthus , eight of which are here analyzed for the fi rst time. Th e results include the fi rst chromosome count for L. plantaginoides , which is tetraploid with 2n ... -
The taxonomic utility of micromorphology in Lepidaploa (Vernonieae: Asteraceae)
(John Wiley & Sons Ltd, 2018-05-02)Lepidaploa belongs to the Vernonieae tribe, one of the most complex tribes of Asteraceae. Nowadays, the relationship between Lepidaploa and its related genera is poorly understood. Different microcharacters might be of ... -
A new polyploid species of mecardonia (gratioleae, plantaginaceae) from South America
(Magnolia Press, 2017-04-13)Mecardonia reneeae, a new species from northeastern Argentina, is described and illustrated. This taxon has certain resem- blance to M. procumbens var. flagellaris, but can be easily distinguished by the combination of ... -
Escarabajos copronecrófagos (scarabaeidae: scarabaeinae) de la reserva natural educativa Colonia Benítez, Chaco, Argentina
(Universidad Autónoma de México, 2015-02-26)Se describe la composición de escarabeinos de la Reserva Natural Educativa Colonia Benítez. Se realizaron 6 muestreos en bosque de quebracho y selva en galería en periodo seco y lluvioso. Los escarabajos se recolectaron ... -
Patrón espacial y temporal de las colectividades de artrópodos asociados a macrófitas en un río subtropical de bajo orden (Chaco, Argentina)
(Interciencia, 2012-07)El objetivo de este estudio fue conocer la composición y abundancia del ensamble de artrópodos asociados a la vegetación acuática en diferentes tramos de un río de llanura, situado en la región Neotropical, provincia ... -
Spatial and temporal variation of dung beetle assemblages in a fragmented landscape at eastern humid Chaco
(Springer, 2014-12-05)The aims of this study were to characterize the fauna of dung beetles and analyze their spatial and temporal diversity in a cattle ranch in the province of Chaco. Seven surveys were conducted in three environmental units: ... -
Changes in the structure of melolonthidae (coleoptera: scarabaeoidea) assemblages along a temporal gradient in a natural reserve in Chaco, Argentina
(Wiley Online Library, 2017-05-26)Melolonthidae beetles have been proposed as bioindicators because of their important role in the ecosystem and sensitivity to disturbance processes. However, the assemblage structure of these species in Argentina is ... -
First reports of the invasive pest bermudagrass stem maggot, atherigona reversura villeneuve, 1936 (diptera: muscidae), in south america
(Pensoft Publishers, 2016-07-15)This study presents the first occurrence of Atherigona reversura in South America. This muscid, commonly known as shoot-fly, is a significant pest of cereal crops throughout the Old World tropics and subtropics. Several ... -
Palaentological collections of Lille University. Sciences and Technologies. II diplostraca (types and figures specimens)
(Société Géologique du Nord, 2015)An exceptional collection of Diplostraca (Spinicaudata, Leaiina) from various geographic localities all around the world and from Devonian to Jurassic beds, is re-described in this catalogue. Despite some imperfections ... -
Los tardigrada (mammalia, xenarthra) de Argentina : diversidad, evolución y biogeografía
(Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo, 2016)Los Tardigrada representan uno de los grupos de mamíferos fósiles característicos del Cenozoico de América del Sur, pero que también se encuentra representado en América Central y América del Norte. El registro fehaciente ... -
Effect of different treatments on the microstructure and functional and pasting properties of pigeon pea (cajanus cajan L.), dolichos bean (dolichos lablab L.) and jack bean (canavalia ensiformis) flours from the north-east Argentina
(Institute of Food Science and Technology, 2017)The effect of germination (G; 5 days), soaking-cooking (SC; 6 h–20 min, 6 h–40 min, 6 h–60 min) and microwave (M; 50%, 70%, 100%) treatments on pigeon pea (PP), dolichos bean (DB) and jack bean (JB) seeds was studied. ... -
Neriinae (diptera : neriidae) new records from Corrientes and Chaco, Argentina
(Sociedad Entomológica Argentina, 2014-07-24)El presente documento proporciona los registros de cuatro especies de Neriidae, Nerius pilifer Fabricius, N. plurivittatus Bigot, Eoneria blanchardi Aczél y E. aczeli Sepúlveda y Carvalho, de las provincias de Chaco y ... -
Physicochemical and structural properties of major protein fractions of two varieties of nea-cowpea (vigna unguiculata l.): a comparative study
(International Association of Food and Nutrition Scientists, 2015-09)In both cowpea varieties, the globulin was the major protein fraction followed by albumins, glutelins and prolamins with 48 ± 2 g/100 g, 33 ± 2 g/100 g, 8 ± 1 g/100 g and 2 ± 0.5 g/100 g of the total seed protein content, ... -
Physicochemical and functional properties of cowpea protein isolates treated with temperature or high hydrostatic pressure
(Elsevier, 2016-02)The effect of thermal (TT, 70 and 90 °C) and high hydrostatic pressure (HHPTs, 200, 400 and 600MPa) treatments on physicochemical and functional properties of cowpea protein isolates (CPIs) extracted at pH 8.0 (A8) and pH ...
