Results 71 to 80 of about 48,777 (262)

Diversidad de la comunidad liquénica en un bosque remanente del sur de la región chaqueña (Córdoba, Argentina) [PDF]

open access: yes, 2014
The lichen community diversity in patches of Chaco forest -NE of Cordoba Province, Argentina- was analyzed. Fifteen forest patches embedded in farmland areas were sampled. Size of the patch and exposure to the crops, were registered.
Estrabou, Cecilia   +2 more
core  

Rethinking Synergies and Trade‐Offs at the Forest‐Sustainable Development Goals (SDGs) Nexus—A Systematic Review

open access: yesSustainable Development, Volume 33, Issue 4, Page 5069-5090, August 2025.
ABSTRACT Forests play a critical role in achieving the Sustainable Development Goals (SDGs), yet their contributions are often misunderstood and inadequately addressed in the scientific discourse. This study clarifies the intricate relationships between forests and the SDGs by examining the contextual factors that influence this interplay.
Dominic Ahrens   +2 more
wiley   +1 more source

Tiempo, espacio y existencia. Análisis de los seres míticos pilagá

open access: yesRevista de Filología y Lingüística de la Universidad de Costa Rica, 2015
En este artículo se propone una taxonomía jerárquica de los seres míticos de la cultura Pilagá, uno de los grupos étnicos que habitan en la región del Gran Chaco de América del Sur.
Anatilde Idoyaga Molina
doaj   +1 more source

Las lenguas del Gran Chaco : situación socio-lingüística y políticas lingüísticas [PDF]

open access: yes, 2011
The area of Gran Chaco represents a big territory that occupies part of Argentina, Bolivia, Brazil and Paraguay. This location is inhabited by nearly 40 aboriginal communities that speak at least 29 languages with different degrees of vitality. Long time
Durante, Santiago
core   +1 more source

A new species group of the genus Epicauta Dejean of Southern South America, the bella group (Coleoptera: Meloidae) [PDF]

open access: yes, 2011
Epicauta (Coleoptera: Meloideae) includes two subgenera, and within the nominotypical subgenus several species groups. Analyzing species of southern South America, a set of species of Epicauta has the particularity to present two distinctive characters ...
Campos Soldini, Maria Paula
core   +1 more source

Synergistic and Additive Effects of Multiple Threats Erode Phylogenetic and Life History Strategy Diversity in Testudines and Crocodilia

open access: yesEcology Letters, Volume 28, Issue 6, June 2025.
We evaluate how interactions between the most common threats reduce the life history strategy diversity and phylogenetic diversity in Testudines and Crocodilia. Most threat interactions are antagonistic; the effect of threats jointly is lower than the sum of the effects of threats separately.
R. C. Rodríguez‐Caro   +10 more
wiley   +1 more source

On the Lack of Domestic Dogs in Pre‐Columbian Lowland Amazonia and Their Deep History of Entanglements With Humans in South America

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 30, Issue 2, June 2025.
ABSTRACT Data from archaeology, ethnography, and ethnohistory document entanglements of dogs among South American Indigenous societies during pre‐Columbian and colonial times. The prolific presence and uses of dogs in the Central Andes and in parts of the Paraná Basin, Patagonia, and Circum‐Caribbean regions contrast with the conspicuous lack of ...
Marcelo R. Sánchez‐Villagra   +2 more
wiley   +1 more source

El análisis de narrativas en etnobotánica: el "yuchán" (Ceiba Chodatii, Bombacaceae) en el discurso de los wichís del Chaco Semiárido salteño, Argentina Narrative analysis in ethnobotanical investigations: the "yuchán" (Ceiba chodatii, Bombacaceae) in the oral discourse of the Wichí of the Semiarid Chaco in Salta province, Argentina

open access: yesBoletín de la Sociedad Argentina de Botánica, 2009
Se presenta un estudio de caso referido a un árbol característico de los bosques chaquenos, el "yuchán" (Ceiba chodatii, Bombacaceae), a fin de ilustrar la importancia del análisis de narrativas vernáculas para la investigación etnobotánica.
María Eugenia Suárez
doaj  

Nonuniform Fuchsian codes for noisy channels [PDF]

open access: yes, 2014
We develop a new transmission scheme for additive white Gaussian noisy (AWGN) channels based on Fuchsian groups from rational quaternion algebras. The structure of the proposed Fuchsian codes is nonlinear and nonuniform, hence conventional decoding ...
Alsina, Montserrat   +3 more
core   +3 more sources

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