Results 41 to 50 of about 18,604 (217)

Mesozoic Coleopteran Faunas from Argentina: Geological Context, Diversity, Taphonomic Observations, and Comparison with Other Fossil Insect Records

open access: yesPsyche: A Journal of Entomology, Volume 2012, Issue 1, 2012., 2012
The order Coleoptera is the most diversified group of the Class Insecta and is the largest group of the Animal Kingdom. This contribution reviews the Mesozoic insects and especially the coleopteran records from Argentina, based on bibliographical and unpublished materials (86 described species, 526 collected specimens). The material came from different
María Belén Lara   +3 more
wiley   +1 more source

Distribution and Transmission of Medicinal Plant Knowledge in the Andean Highlands: A Case Study from Peru and Bolivia

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2012, Issue 1, 2012., 2012
This paper presents a study of patterns in the distribution and transmission of medicinal plant knowledge in rural Andean communities in Peru and Bolivia. Interviews and freelisting exercises were conducted with 18 households at each study site. The amount of medicinal plant knowledge of households was compared in relation to their socioeconomic ...
Sarah-Lan Mathez-Stiefel   +2 more
wiley   +1 more source

Síndrome de Dyke-Davidoff-Masson como causa de hemiatrofia cerebral: a propósito de un caso clínico

open access: yesActa Neurológica Colombiana
Introducción: en la aproximación diagnóstica de cuadros de hemiatrofia cerebral, se debe considerar el síndrome de Dyke-Davidoff-Masson, el cual reúne características clínicas y, sobre todo, imagenológicas distintivas.
José Emilio Salazar Vaz   +2 more
doaj   +1 more source

Evaluación en pérdidas de durazno (Prunus persica) variedad rubidoux en la granja experimental Tunguavita Paipa, Boyacá, Colombia

open access: yesRevista de Investigación Agraria y Ambiental, 2014
Boyacá es un departamento colombiano con una posición geográfica privilegiada, cuya economía se basa principalmente en la producción agropecuaria; el durazno representa un renglón importante en la economía frutícola de Boyacá, sin embargo algunas ...
Angela Johana Lemus Cerón   +2 more
doaj   +1 more source

Ladrillos cerámicos porosos a partir de mezclas de arcilla y carozos de durazno

open access: yesRevista Tecnología y Ciencia, 2020
El objetivo de este trabajo es analizar la factibilidad de uso de carozos de durazno, desecho biomásico del sector frutihortícola, como formador de poros en la fabricación de piezas cerámicas alivianadas. Se prepararon mezclas de arcilla comercial con el agregado de 5%, 10%, 15% y 20% en volumen de carozos y una muestra de arcilla sin agregados a modo ...
Quaranta, Nancy Esther   +3 more
openaire   +4 more sources

Cattle and nurse trees shape subtropical forest–grassland ecotones

open access: yesJournal of Applied Ecology, Volume 61, Issue 10, Page 2430-2443, October 2024.
Tree cover can potentially expand on the subtropical South American grasslands. Reductions in cattle densities and increases in rainfall levels associated with climate change could facilitate forest expansion in this region. Abstract South American subtropical landscapes are dominated by open grasslands and mosaics of forest–grassland formations ...
Milena Holmgren   +8 more
wiley   +1 more source

Kinematic Evolution of the Santa Bárbara System in the Foreland of the Central Andes of Northwestern Argentina (26°S)

open access: yesTectonics, Volume 43, Issue 6, June 2024.
Abstract Compared to the thin‐skinned Subandean foreland fold‐and‐thrust belt of northern Argentina and Bolivia, the tectonically active morphotectonic province of the Santa Bárbara System in the Andean broken foreland of northwestern Argentina is characterized by a temporally and spatially disparate deformation style. Although there is no well‐defined
Ahmad Arnous   +4 more
wiley   +1 more source

Potamoplancton en la cuenca media del río Cuarto(Córdoba, Argentina) [PDF]

open access: yes, 2007
El objetivo de esta investigación es analizar la composición y abundancia de las algas en transporte y su relación con variables ambientales y microbiol'ogicas en la zona de llanura aluvial ancha de la cuenca del río Cuarto.
Bruno, E.   +3 more
core  

First record of Eptesicus brasiliensis argentinus Thomas, 1920 (Chiroptera, Vespertilionidae) in Entre Ríos province, Argentina [PDF]

open access: yes, 2018
Here, we present the first record of Eptesicus brasiliensis argentinus Thomas, 1920 for the province of Entre Ríos, Argentina. This subspecies was originally described as a full species (Eptesicus argentinus) based on its morphological features that ...
Barquez, Ruben Marcos   +3 more
core   +1 more source

Modelo de desarrollo local para el sector rural: aplicación a un estudio de caso en puebla, México [PDF]

open access: yes, 2011
La producción de durazno mejorado en Chiautzingo, Puebla, se realiza aproximadamente por 100 productores que disponen de una hectárea cada uno. La presencia de heladas severas ha afectado la producción y el ingreso, por lo que ha recurrido a préstamos ...
Hernández, Ernesto   +4 more
core  

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