Results 101 to 110 of about 2,665,024 (241)

Foraging plasticity and physiological adaptations enable hummingbirds to subsist on dilute nectars

open access: yesFunctional Ecology, Volume 40, Issue 5, Page 1475-1490, May 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Hummingbirds frequently feed on small volumes (<30 μL) of sucrose‐rich nectars. Climate change is expected to affect both the abundance and the concentrations of accumulated nectar.
Rosalee L. Elting   +5 more
wiley   +1 more source

Impacto del cálculo del valor seis sigma utilizando la ecuación de Schmidt-Launsbyn vs. la ecuación de Westgard en el programa español EQA tipo I

open access: yesAdvances in Laboratory Medicine
La métrica Sigma (SM) mide el rendimiento del proceso a través de los defectos por millón de oportunidad (DPMOs). Tradicionalmente se utiliza la ecuación de Westgard (MW), la cual no realiza una estimación directa de DPMOs.
Marqués-García Fernando   +12 more
doaj   +1 more source

QUALITY AND PRICES OF INTRA-EUROPEAN TRADE OF FOOD-INDUSTRY PRODUCTS [PDF]

open access: yes
The completion of the European Single Market should bring out an exploitation of comparative advantages in production and trade. It is usually assumed that, given the predominance of intraeuropean trade flows in the global import figures of the European ...
Andrés Picazo, Ernest Reig Martínez
core  

Fear of exercise and health-related quality of life in patients with an implantable cardioverter defibrillator [PDF]

open access: yes, 2003
Several studies have reported improved survival rates thanks to the use of an implantable cardioverter defibrillator (ICD) in the treatment of patients with life-threatening arrhythmia.
Brugemann, J.   +5 more
core   +3 more sources

BIEN: A biodiversity informatics ecosystem advancing open and reproducible workflows for plant observation, plot and trait data

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 5, Page 1556-1584, May 2026.
Abstract The rapid expansion of biodiversity data presents new opportunities to understand and forecast biosphere dynamics. However, disparate and dispersed data, taxonomic and geographic inconsistencies, pervasive quality issues, and a lack of reproducable workflows hinder synthesis, introduce biases and limit accurate assessment of biodiversity ...
Brian J. Enquist   +38 more
wiley   +1 more source

Community structure and water quality in Mediterranean streams of a Natural Park (Sant Llorenç del Munt, NE Spain) [PDF]

open access: yes, 2012
Se estudian las comunidades de macroinvertebrados de los ríos del Parque Natural de Sant Llorenç del Munt i la Serra de l'Obac (Barcelona, NE España) y su relación con las condiciones de flujo de los ríos.
Bonada i Caparrós, Núria   +2 more
core  

fastbioclim: An R package for creating custom‐time bioclimatic and derived environmental summary variables

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 5, Page 1585-1594, May 2026.
Abstract Bioclimatic variables, widely used in ecological and biogeographical studies, are typically derived from 30‐year averages of monthly data (e.g. 1971–2000). Unfortunately, the use of these long‐term averaged variables often creates a temporal mismatch with the observational data collected, which potentially undermines how environmental ...
Gonzalo E. Pinilla‐Buitrago   +1 more
wiley   +1 more source

La “Ceguera Pregnante” en la inteligencia. Un caso histórico

open access: yesColeção Meira Mattos, 2015
La disciplina de análisis de inteligencia ha evolucionado en las últimas décadas a la luz del progreso tecnológico y de otras áreas del conocimiento.
Maria Jose Espona, Manuel Giavedoni Pita
doaj  

Excellence and Quality in Andalusia University Library System [PDF]

open access: yes, 2005
From 1996 onwards, then, the Quality Assessment National Plan and the adoption of its agenda by regional authorities and Universities alike has resulted in a growing acceptance by the Spanish academic community of the challenges and opportunities ...
Baena Díaz, Carmen   +4 more
core   +1 more source

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