Results 51 to 60 of about 1,753,662 (203)

Effects of landscape context on avian specialist response to increased surface temperature in protected areas

open access: yesConservation Biology, Volume 40, Issue 3, June 2026.
Abstract Human development is a driver of global change and a major threat to biodiversity. Protected areas maintain and support biodiversity, but outside stressors, such as climate change and land use change, can negatively influence natural resources within protected areas.
Leah J. Rudge   +2 more
wiley   +1 more source

First‐trimester prediction and prevention of preterm pre‐eclampsia in women with chronic hypertension

open access: yesUltrasound in Obstetrics &Gynecology, Volume 67, Issue 5, Page 613-622, May 2026.
ABSTRACT Objectives To evaluate the effect of aspirin on gestational age at delivery due to preterm pre‐eclampsia (PE) in women with chronic hypertension (CH), to assess the predictive performance of the Fetal Medicine Foundation (FMF) first‐trimester competing‐risks model for preterm PE in this high‐risk group and to evaluate how parity, previous PE ...
D. L. Rolnik   +23 more
wiley   +1 more source

Relación hábitat-densidad de Odocoileus virginianus couesi (Coues & Yarrow, 1875) en la Sierra del Laurel, Aguascalientes

open access: yesRevista Mexicana de Ciencias Forestales, 2017
El venado de Coues (Odocoileus virginianus couesi) es una de las 14 subespecies de venado cola blanca en México, se distribuye sobre 30.4 % de la república mexicana y es de alto valor cinegético. Se realizó una investigación en la Sierra del Laurel,
Salvador Martín Medina Torres   +5 more
doaj   +1 more source

Functional traits predict changes in floral phenology under climate change in a highly diverse Mediterranean community

open access: yesFunctional Ecology, Volume 40, Issue 5, Page 1270-1285, May 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plants are shifting their flowering phenology in response to climate change, but trends differ between species and communities. Functional traits can largely explain how different species respond to climate change by shifting their phenology, and can therefore help ...
Daniel Pareja‐Bonilla   +3 more
wiley   +1 more source

Modelos mixtos generalizados para el estudio del desempleo en los grandes aglomerados urbanos de Argentina

open access: yesRevista de Economía y Estadística, 2011
El objetivo de este trabajo es identificar los factores de riesgo socioeconómicos y demográfico que influyen en la condición de empleo en los principales aglomerados urbanos de Argentina mediante un Modelo Lineal Generalizado Mixto.
Fernando García, Margarita Díaz
doaj  

Climate‐induced shifts in long‐term tropical tree reproductive phenology: Insights from species dependent on and independent of biotic pollination

open access: yesFunctional Ecology, Volume 40, Issue 5, Page 1286-1298, May 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract The dependence on biotic pollination may constrain plant phenological responses because flowering time ultimately defines reproductive success. We proposed a local‐scale study combining long‐term phenology and experimental data to evaluate how a key functional trait—the
Amanda Eburneo Martins   +3 more
wiley   +1 more source

ELECTRODEPOSICIÓN EN CELDAS LINEALES: EXPERIENCIAS FÍSICAS Y MODELOS COMPUTACIONALES

open access: yesAnales (Asociación Física Argentina), 2013
Se generan experimentalmente depósitos arbóreos electrolíticos de cobre en una celda lineal delgada con voltajes de 10-30 V entre electrodos separados 3.8cm, y se analizan la separación, espesor, altura y estadísticas de los árboles obtenidos.
Juan Bühler   +2 more
doaj  

Prueba de homogeneidad de la dispersión para datos de proporción sobredispersos mediante regresión beta

open access: yesRevista Integración, 2014
En este artículo se propone un procedimiento para verificar la hipótesis de homogeneidad del parámetro de dispersión usando regresión beta, cuando se tienen datos de proporción sobredispersos.
Mario Morales, Jose Lozano
doaj   +2 more sources

The Red Queen unveils the sexual and mating strategies of flowers

open access: yesJournal of Ecology, Volume 114, Issue 5, May 2026.
Although the conventional wisdom is that floral traits of plants evolved in concert with their mutualistic pollinators, here we showed that several key sexual and mating traits of plants, which modulate their outcrossing strategy, evolved in response to the pressure exerted by their antagonistic insect herbivores.
Carlos Roberto Fonseca   +2 more
wiley   +1 more source

Análisis de cruces fronterizos con modelos lineales generalizados

open access: yes, 1987
Utilizando dos tipos de modelos lineales generalizados, se analizan diversos aspectos del fenómeno de "cruces fronterizos" obtenidos del proceso de generación del marco de referencia de la encuesta de transacciones fronterizas del Banco de México. Se discute la influencia que varios factores explicativos, como el lugar de residencia habitual o el día ...
openaire   +1 more source

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