Results 51 to 60 of about 338,087 (384)

Assessing Agricultural Green Total Factor Productivity in Latin America

open access: yesAgribusiness, EarlyView.
ABSTRACT The agricultural sector in Latin America plays a vital role in ensuring food security while impacting the environment. However, there remains a lack of analysis regarding the inputs responsible for pollution within its sub‐technologies. Hence, this article aims to assess agricultural green total factor productivity (TFP) through a novel ...
Tianxiang Li   +2 more
wiley   +1 more source

Phylogenomics, ecomorphological evolution, and historical biogeography in Deuterocohnia (Bromeliaceae: Pitcairnioideae)

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Species of Deuterocohnia (17 spp.) show extraordinary variation in elevation (0–3900 m a.s.l.) and growth forms, and many have narrow geographic distributions in the west‐central Andes and the Peru‐Chile coast. Previous research using few plastid and nuclear loci failed to produce well‐resolved or supported phylogenies.
Bing Li   +5 more
wiley   +1 more source

Grado de maloclusiones según el índice de estética dental en pacientes que acudieron a la Universidad del Pacífico

open access: yesRevista Científica Ciencias de la Salud, 2021
Introducción: El termino maloclusión hace referencia a la deficiencia en el alineamiento de los dientes y en la forma en que los dientes superiores e inferiores encajan entre sí.
Patrick Kiep   +5 more
doaj  

Squamata, Serpentes, Micrurus silviae Di-Bernardo, Borges-Martins and Silva, 2007: presence confirmation in Paraguay [PDF]

open access: yesCheck List, 2011
Micrurus silviae is a coralsnake with a triadal pattern, and is one of the eight species found in southern South America. In Paraguay there are six taxa recorded: M. altirostris, M. baliocoryphus, M. frontalis, M. pyrrhocryptus, M.
Pier Cacciali   +4 more
doaj   +3 more sources

Restauración del Paisaje Forestal de Yaguarón: Sistemas forestales implementables basados en la cobertura forestal actual y percepción de mujeres rurales

open access: yesRevista Investigaciones y Estudios de la UNA, 2022
La pérdida, degradación y fragmentación de bosques es un problema mundial normalmente relacionado a actividades forestales ilegales; la Restauración del Paisaje Forestal (RPF) se presenta como una alternativa para enfrentar estas problemáticas ...
Maria Laura Quevedo Fernández   +16 more
doaj   +1 more source

An interactive multi-entry key to the species of Megalostomis Chevrolat, with description of a new species from Paraguay (Chrysomelidae, Cryptocephalinae) [PDF]

open access: yes, 2014
The main goal of this contribution is to release an interactive multi-entry key to all known species of the genus Megalostomis Chevrolat. This key constitutes a new tool created to aid the identification of the spe- cies of this diverse genus, which ...
Agrain, Federico Alejandro
core   +3 more sources

Predictive Models for the Medical Diagnosis of Dengue: A Case Study in Paraguay

open access: yesComput. Math. Methods Medicine, 2019
Early diagnosis of dengue continues to be a concern for public health in countries with a high incidence of this disease. In this work, we compared two machine learning techniques: artificial neural networks (ANN) and support vector machines (SVM) as ...
Jorge Daniel Mello-Román   +3 more
semanticscholar   +1 more source

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source

The Blood of Going Green: Using Environmental Initiatives to Account for the Human Rights Violations of the Green Movement [PDF]

open access: yes, 2008
Part I of this Note first illustrates the science of climate change and the push for biofuel development. Next, this Note uses human rights to define the problems associated with biofuel development in Brazil, Argentina and Paraguay, and introduces the ...
Ketabi, Noushin
core   +1 more source

Understanding the MSME Environmental Transition: Nonlinear and Moderation Effects of Digitalization and Institutional Context

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The necessary environmental transition involves a substantial challenge for micro, small, and medium‐sized enterprises (MSMEs). Moreover, in the Ibero‐American context, it is even more challenging. Our study aims to shed light on the scarce and inconclusive evidence in this regard, analyzing the influence of digitalization, given its inclusion
José Antonio Clemente‐Almendros   +2 more
wiley   +1 more source

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