Results 11 to 20 of about 3,042 (117)

Does invasion by armored catfish shift trophic ecology of native fishes? Evidence from stable isotope analysis

open access: yesEcology, Volume 104, Issue 5, May 2023., 2023
Abstract Popular as aquarium fish, armored catfishes from South America (Pterygoplichthys spp.) have been introduced and become invasive in tropical and subtropical regions worldwide. These ecosystem engineers can deplete basal resources (e.g., periphyton and detritus), with potential negative effects for native fauna. We studied the trophic ecology of
Yasmín Quintana   +2 more
wiley   +1 more source

Determinants and Consequences of Budget Reallocations*

open access: yesContemporary Accounting Research, Volume 38, Issue 3, Page 1782-1808, Fall 2021., 2021
ABSTRACT We investigate the determinants and consequences of budget reallocations—that is, corrective changes to the budget made during the year. Using proprietary data from a large consumer goods manufacturer, we analyze the extent to which initial budgeting decisions drive reallocations. Examining this relationship is important because initial budget
Isabella Grabner, Frank Moers
wiley   +1 more source

PICT: A low‐cost, modular, open‐source camera trap system to study plant–insect interactions

open access: yesMethods in Ecology and Evolution, Volume 12, Issue 8, Page 1389-1396, August 2021., 2021
Abstract Commercial camera traps (CTs) commonly used in wildlife studies have several technical limitations that restrict their scope of application. They are not easily customizable, unit prices sharply increase with image quality and importantly, they are not designed to record the activity of ectotherms such as insects. Those developed for the study
Vincent Droissart   +5 more
wiley   +1 more source

A systematic review and meta‐analysis of published cases reveals the natural disease history in multiple sulfatase deficiency

open access: yesJournal of Inherited Metabolic Disease, Volume 43, Issue 6, Page 1288-1297, November 2020., 2020
Abstract Multiple Sulfatase Deficiency (MSD, MIM#272200) is an ultra‐rare lysosomal storage disorder arising from mutations in the SUMF1 gene, which encodes the formylglycine‐generating enzyme (FGE). FGE is necessary for the activation of sulfatases, a family of enzymes that are involved in the degradation of sulfated substrates such as ...
Lars Schlotawa   +6 more
wiley   +1 more source

Intermittent pneumatic compression versus additional prophylaxis with enoxaparin for prevention of venous thromboembolism after laparoscopic surgery for gastric and colorectal malignancies: multicentre randomized clinical trial

open access: yesBJS Open, Volume 4, Issue 5, Page 804-810, October 2020., 2020
This RCT compared intermittent pneumatic compression (IPC) alone with IPC plus enoxaparin for 1 week after surgery in the prevention of venous thromboembolism (VTE) in patients undergoing laparoscopic surgery for gastric or colorectal malignancy. Although VTE occurred in 4·8 per cent of the ICP‐alone group and 3·3 per cent of the ICP with enoxaparin ...
H. Kamachi   +11 more
wiley   +1 more source

Fisioterapia con compresión cíclica en la estrategia de reconstrucción funcional en la no-unión infectada de diáfisis de húmero en un paciente pediátrico: reporte de un caso

open access: yesRevista Colombiana de Ortopedia y Traumatología, 2020
Introducción: Las fracturas de humero diafisiarias abarcan del 5% de todas las fracturas del cuerpo humano. La infección asociada a la no-unión de humero en niños es una patología extremadamente rara e incapacitante, que de no ser tratada adecuadamente ...
Álvaro Ernesto Portilla-Molina   +3 more
doaj   +1 more source

Características mecánicas, granulometría y contenido de materia orgánica de los adobes usados en la Huaca Pucllana - Cultura Lima (200 – 700 d. C)

open access: yesRevista de Antropología y Sociología Virajes, 2023
La cultura Lima se desarrolló entre los años 200 y 700 DC entre los valles de Chanchay y Lurín en Perú. Tuvieron varios centros gubernamentales y ceremoniales, entre ellos el complejo arquitectónico conocido como la Huaca Pucllana, ubicado en Lima, el ...
Gustavo Rodríguez Silva   +2 more
doaj   +1 more source

Comparación de la resistencia de comprensión en maderas nativas

open access: yesRevista de Iniciación Científica, 2018
El ensayo de compresión en un material consiste en una fuerza que se ejerce sobre un cuerpo para disminuir su volumen y medir su resistencia máxima a la deformación.
Yorlenis Sánchez   +2 more
doaj   +1 more source

Desempeño mecánico del concreto convencional reemplazando agregado grueso con polietileno de tereftalato

open access: yesIteckne, 2023
En muchos países los residuos plásticos son una parte contaminante del medio ambiente, por tal razón es necesario buscar alternativas en las que se pueda reutilizar de forma masiva, para disminuirlos significativamente.
Madelein Natalia Sanabria Rojas   +2 more
doaj   +1 more source

Aplicación del análisis de paleoesfuerzos a regiones plegadas: la compresión terciaria en el sector de Cariñena-Belchite (borde norte de la Cordillera Ibérica)

open access: yesEstudios Geologicos, 1996
La aplicación del análisis de paleoesfuerzos a las mesoestructuras frágiles (fundamentalmente fallas y picos estilolíticos) del borde norte de la Cordillera Ibérica en el sector de Cariñena-Belchite ha dado como resultado la determinación de cuatro ...
A. L. Cortés Gracia, A. M. Casas Sainz
doaj   +1 more source

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