Results 51 to 60 of about 4,964 (177)

Hydraulic Strategies Modulate Forest Productivity Responses to Hotter Droughts

open access: yesGlobal Change Biology, Volume 31, Issue 7, July 2025.
Climate change is increasing the occurrence of extreme events like hotter droughts, which threaten forest health and carbon storage. We studied forests in central Spain to understand how drought intensity, frequency, and duration affect forest productivity.
Julián Tijerín‐Triviño   +11 more
wiley   +1 more source

calibrar: An R package for fitting complex ecological models

open access: yesMethods in Ecology and Evolution, Volume 16, Issue 3, Page 507-519, March 2025.
Abstract The fitting or parameter estimation of complex ecological models is a challenging optimisation task, with a notable lack of tools for fitting complex, long runtime or stochastic models. calibrar is an R package that is dedicated to the fitting of complex models to data.
Ricardo Oliveros‐Ramos   +1 more
wiley   +1 more source

Modelos de duración y gestión del riesgo de interés: ¿un problema de dimensión? [PDF]

open access: yes, 2002
Los modelos de duración han experimentado una profunda revisión en los últimos años que ha dado lugar a la coexistencia de numerosos enfoques para la gestión de carteras de renta fija.
Soto Pacheco, Gloria M.
core  

Predicción de duración de la estadía de pacientes en UCIs con lógica difusa [PDF]

open access: yes, 2021
La planificación y administración de camas disponibles en la unidad de cuidados intensivos (UCI) es de gran relevancia en la mayoría de las instituciones de salud.
Vieira, S.   +6 more
core  

Predicción de la tasa de eliminación de material y rugosidad de la superficie de mecanizado por electroerosión de alambre de níquel utilizando la metodología de superficie de respuesta

open access: yesRevista de Metalurgia, 2016
Este estudio se centra en la investigación de los efectos de los parámetros del proceso, a saber, corriente máxima (Ip), duración del impulso (Ton), duración de desconexión del impulso (Toff), presión del agua (Wp), velocidad de alimentación del alambre (
Thangam Chinnadurai   +1 more
doaj   +1 more source

The need for carbon finance schemes to tackle overexploitation of tropical forest wildlife

open access: yesConservation Biology, Volume 39, Issue 1, February 2025.
Abstract Defaunation of tropical forests, particularly from unsustainable hunting, has diminished populations of key seed dispersers for many tree species, driving shifts in forest community composition toward small‐fruited or wind‐dispersed trees with low wood density. Such shifts can reduce aboveground biomass, prompting calls for overexploitation to
Caroline E. Milson   +3 more
wiley   +1 more source

Determinantes de la fusiones y adquisiciones en el sistema financiero colombiano. 1990-2007.

open access: yesRevista de Economía del Rosario, 2010
Para el caso colombiano se han analizado de manera amplia los efectos de la quiebra y la fusión de las instituciones financieras; sin embargo, no se contaba con un estudio microeconometrico para determinar los determinantes de este tipo de operaciones ...
Andres Felipe García   +1 more
doaj   +1 more source

Use of prenatal ultrasound findings to predict postnatal outcome in fetuses with lower urinary tract obstruction

open access: yesUltrasound in Obstetrics &Gynecology, Volume 64, Issue 6, Page 768-775, December 2024.
Abstract Objective Lower urinary tract obstruction (LUTO) is a chronic condition with a spectrum of outcomes. It is usually suspected prenatally based on ultrasound features (USFs). Given the unknown postnatal trajectory and the potential for significant morbidity and mortality, many families choose termination of pregnancy (TOP), often based on USFs ...
J. Richter   +10 more
wiley   +1 more source

Report on the establishment of the safe shelf life of certain ready‐to‐eat foods, sliced and prepacked in retail, in relation to the risk of Listeria monocytogenes

open access: yesFood Risk Assess Europe, Volume 2, Issue 3, July 2024.
Abstract The Barcelona Public Health Agency (ASPB) asked the Scientific Advisory Committee on Food Safety for an opinion on the safe shelf life of Listeria monocytogenes in certain products (cheeses, cooked meats, including pâtés, and cured meats) sliced and prepackaged prior to retail sale.
Sara Bover Cid   +6 more
wiley   +1 more source

Variaciones en el tipo de intervención del banco de España: Un análisis mediante un enfoque alternativo [PDF]

open access: yes, 1999
Recientemente han aparecido una serie de estudios en la literatura que utilizan modelos basados en procesos de puntos marcados y análisis de supervivencia para analizar aspectos de economía monetaria y financiera; véase p.ej, Engle and Russell (1995 ...
María-Dolores, Ramón
core  

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