Results 21 to 30 of about 1,904 (181)

A Melissopalynological map of the south and southwest of the Buenos Aires province, Argentina [PDF]

open access: yes, 2007
El objetivo de este trabajo fue elaborar un mapa melitopalinológico del sur y sudoeste de la provincia de Buenos Aires, Argentina, con datos de análisis polínicos de 127 muestras de miel provenientes de las eco-regiones Pampa, Distrito del Caldén en el ...
Andrada, Ana C.   +4 more
core   +2 more sources

Outbreak of Ataxia in Pigs Associated With Consumption of Piquillín (Condalia microphylla) [PDF]

open access: yesVeterinary Pathology, 2010
The plant piquillín ( Condalia microphylla) grows in arid regions of Argentina and is the cause of mal del piquillín in cattle. The salient histologic features of this leukomyelopathy are vacuolation of white matter and axonal degeneration in the spinal cord.
F, Delgado   +4 more
openaire   +2 more sources

Araracuara, un nuevo género de Rhamnaceae de la Amazonía colombiana [PDF]

open access: yes, 2008
Se describe e ilustra Araracuara Fern. Alonso, un nuevo género de la familia Rhamnaceae conocido tan sólo de las mesetas de arenisca de la Amazonía colombiana.
Emmerlich, J.   +3 more
core   +1 more source

Comparación anatómica de la lámina foliar de cinco especies leñosas nativas del noreste de México durante la época húmeda y seca

open access: yesPolibotánica, 2022
En México, los ecosistemas áridos y semiáridos conforman más del 50% de la superficie del país, donde los periodos de sequía limitan el crecimiento y la supervivencia de las plantas.
Tilo Gustavo Domínguez Gómez   +5 more
doaj   +1 more source

Characterization of honeys from west and south Buenos Aires province, Argentina [PDF]

open access: yes, 2004
Pollen analyses were carried out on 33 honey samples from Espinal, Monte de Llanuras y Mesetas and Pampeana phytogeographical Provinces, collected during the 2000-2001 period.
Andrada, Ana C.   +4 more
core   +1 more source

Anatomia do lenho de Condalia buxifolia Reissek (Rhamnaceae)

open access: yesBalduinia, 2014
Sao descritos e ilustrados os caracteres microscopicos da madeira de Condalia buxifolia Reissek, arbusto nativo no Estado do Rio Grande do Sul. Foram encontrados poros de diâmetro muito reduzido, em arranjo dendritico, parenquima paratraqueal escasso e raios heterogeneos. Ressalta-se a presenca de fibras de paredes muito espessas que, somado a outras
Baldin, Talita   +3 more
openaire   +3 more sources

Quality and Conservation of Riparian Forest in a Mountain Subtropical Basin of Argentina

open access: yesInternational Journal of Ecology, Volume 2016, Issue 1, 2016., 2016
The aims of this work were to describe the conservation status of riparian forests located in a mountain subtropical basin of Tucumán province, Argentina, and assess how the quality of riparian forests is related with altitude, plant species richness, proportion of exotic species, and Total Suspended Solids (TSS) in adjacent rivers.
Romina Daiana Fernández   +5 more
wiley   +1 more source

Broad Protein Spectrum in Stored Pollen of Three Stingless Bees from the Chaco Dry Forest in South America (Hymenoptera, Apidae, Meliponini) and Its Ecological Implications

open access: yesPsyche: A Journal of Entomology, Volume 2015, Issue 1, 2015., 2015
Protein content of pollen stored by three meliponine species was variable from 9.78% (less than half the value considered as optimal to brood development in Apis mellifera) in type Capparis tweediana‐C. speciosa to more than 26% in type Maytenus vitis-idaea and some Prosopis samples.
Favio Gerardo Vossler, David Roubik
wiley   +1 more source

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

Role of Thermal Environment in Habitat Selection by Male White‐Tailed Deer during Summer in Texas, USA

open access: yesWildlife Biology, Volume 20, Issue 1, Page 47-56, March 2014., 2014
Thermal cover may influence habitat selection by white‐tailed deer Odocoileus virginianus in subtropical climates with hot summers. We 1) tested the hypothesis that thermal environment is more important in habitat selection at midday during summer than forage quality or quantity and concealment cover and 2) determined whether operative temperature ...
Dean W. Wiemers   +6 more
wiley   +1 more source

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