Results 21 to 30 of about 6,289 (150)

Análisis de facies y petrografía de los depósitos del Cretácico superior en el norte de la Cuenca Neuquina: implicancias para el inicio de la etapa de Foreland

open access: yesLatin American Journal of Sedimentology and Basin Analysis, 2020
La cuenca Neuquina es una de las principales cuencas generadoras dehidrocarburos de la Argentina. Esto, sumado al amplio registro sedimentario queposee, la han convertido en objeto de numerosos estudios geológicos.
Lucas D. Lothari   +3 more
doaj   +2 more sources

Bioaerosol Concentration in a Cattle Feedlot in Neuquén, Argentina

open access: yesAtmosphere, 2022
There is a global trend toward intensive livestock breeding, which tends to increase the microbial load in the environment as well as the presence of volatile compounds and dust that can cause health issues.
Marisa Gloria Cogliati   +4 more
doaj   +1 more source

Organizaciones matemáticas de geometría estudiadas en la escuela secundaria argentina: propuesta de un profesor

open access: yesREMATEC. Revista de Matemática, Ensino e Cultura, 2021
Este trabajo se centra en el estudio de la geometría en la escuela secundaria. Recientes investigaciones manifiestan la pérdida de su presencia en el aula de matemática en este nivel y su estudio con poco sentido.
María de la Trinidad Quijano   +1 more
doaj   +1 more source

Developmental morphology of claspers and clasper‐glands during maturation in Potamotrygon wallacei (Chondrichthyes: Potamotrygoninae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The claspers are the copulatory organs in male elasmobranchs, responsible for directing the semen into the female cloaca (C). However, the microscopic morphology of the claspers remains poorly understood. This study describes the morphology of the claspers and clasper glands (CGs) of cururu stingray (Potamotrygon wallacei) at different ...
Matheus Samuel Cunha Braga   +4 more
wiley   +1 more source

Nutritional quality of amaranth (Amaranthus) silage in response to forage airing and addition of lactic bacteria

open access: yesRevista de la Facultad de Ciencias Agrarias
Climate change is reducing forage availability for ruminants. Previous studies in Northern Patagonia, Argentina, have demonstrated the adaptation of the amaranth crop to these agroclimatic conditions under irrigation.
María Fany Zubillaga   +5 more
doaj   +1 more source

Dicrananthera hedyotidea C. Presl. (Melastomataceae) in Maranhão state, Brazil: first record and ecological niche model of the species

open access: yesNordic Journal of Botany, EarlyView.
Dicrananthera C. Presl. is a monospecific genus of the tribe Marcetieae, comprising perennial herbs typically occurring in areas adjacent to wetlands. The species exhibits a disjunct distribution, with confirmed records in both the Amazon and Atlantic Forest domains.
Elias Julio Oliveira Correa   +4 more
wiley   +1 more source

The interacting effects of precipitation and microhabitat on non‐native seed predation are contingent on temporal dynamics

open access: yesOikos, EarlyView.
Understanding how different drivers of global change interact to shape ecological processes remains a major challenge in ecology. Climate change is reshuffling the interactions that structure communities, with major implications for biological invasions.
Mariana C. Chiuffo   +4 more
wiley   +1 more source

Características morfo-arquitecturales y fenológicas de Ugni molinae (Myrtaceae): una especie arbustiva andino-patagónica con frutos comestibles

open access: yesBoletín de la Sociedad Argentina de Botánica, 2020
Introducción y objetivos: Ugni molinae (Myrtaceae) es una especie arbustiva nativa del sur de Chile − donde se la conoce como “murta” o “murtilla” − y de Argentina. Este estudio tiene como objetivo aportar información morfo-arquitectural de U. molinae, y
B. S Guenuleo   +9 more
doaj  

Assessing Eco‐Efficiency in Municipal Solid Waste Management Integrating Heterogeneity: A Latent Class Stochastic Frontier Analysis

open access: yesSustainable Development, EarlyView.
ABSTRACT The measurement of eco‐efficiency in the municipal solid waste (MSW) sector has garnered significant attention due to the substantial environmental impacts of unsustainable MSW management and the high operational costs associated with public service provision.
Ramon Sala‐Garrido   +2 more
wiley   +1 more source

Improving manual tagging of camera trap videos for wildlife studies: a visual assistance tool applied to the endangered huillin Lontra provocax

open access: yesWildlife Biology, EarlyView.
In the last decades, the use of camera traps for wildlife studies has increased significantly due to advancements in technology leading to cost reduction and improved reliability. They facilitate the study of wild animals in their natural environment in a minimally invasive manner, eliminating the need for researchers to remain in the field for long ...
Luciano Marpegan   +2 more
wiley   +1 more source

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