Results 31 to 40 of about 1,943 (189)

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

La explotación de los recursos vegetales en sociedades cazadoras-recolectoras del sur de Mendoza, Argentina [PDF]

open access: yes, 2014
Se analizó el registro carpológico de recursos vegetales comestibles aprovechados a lo largo de los últimos 4000 años, recuperados en sitios arqueológicos del sur de Mendoza, Argentina, en áreas con distintas características ambientales. Este análisis se
Llano, Carina Lourdes
core   +3 more sources

Las especies argentinas del género Condalia ( Rhamnaceae)

open access: yesRevista del Museo de La Plata, 2023
Se han revisado las especies austral americanas del género Condalia, en base a datos morfológicos, químicos y cariológicos. Se incluyen dos claves (una de ellas fundada en caracteres anatómicos, y la otra en caracteres morfológicos exteriores) para identificar las 3 especies que habitan el territorio argentino, a saber: C. microphylla, C.
Escalante, Manuel G.   +2 more
openaire   +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

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

Ecological Notes on Species of Cleridae (Insecta: Coleoptera) Associated With the Prairie Flora of Central North America [PDF]

open access: yes, 2018
The association of eighteen species of Cleridae (Coleoptera) with tallgrass and shortgrass prairie ecosystems in central North America is reported for the first time.
Mawdsley, Jonathan R
core   +3 more sources

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

Rehabilitación ecológica en el noreste patagónico: Supervivencia y reclutamiento de especies nativas en suelos con diferentes texturas

open access: yesEcología Austral, 2021
Los suelos del noreste patagónico presentan una marcada heterogeneidad, dada principalmente por su textura. En esta región se observan fuertes procesos de degradación.
Juan M. Zeberio, Carolina A. Pérez
doaj   +1 more source

A New Species ofCondalia(Rhamnaceae) from Sonora, Mexico [PDF]

open access: yesLundellia, 2003
Condalia sonorae is described as a new species from north central Sonora, Mexico. The taxon was previously considered part of Condalia correllii, but differs in having bicolored leaves, denser young-stem and leaf vestiture, petaloid flowers, and more spheroidal fruit endocarps. In contrast, C.
openaire   +1 more source

Diversity‐Productivity Relationship in the Northeastern Tamaulipan Thornscrub Forest of Mexico

open access: yesInternational Journal of Ecology, Volume 2014, Issue 1, 2014., 2014
This research examines the diversity‐productivity relationship in a semiarid scrubland, initially under late successional conditions and subsequently under early successional conditions created by experimental clearing, to explore the roles that productivity and stochastic mortality play in species exclusion in this environment.
Jose Navar   +4 more
wiley   +1 more source

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