Results 81 to 90 of about 796,814 (201)

Role of freshwater availability and terrestrial land‐cover change in the distribution of a declining, terrestrial, insectivorous bird

open access: yesConservation Biology, EarlyView.
Abstract Insectivorous, Afro‐Palearctic migrant birds provide cross‐border ecosystem services, but many are declining rapidly. The complex life cycle of migrant birds makes their conservation difficult, but understanding where they spend time during the breeding season can help indicate where those actions will be most effective.
Catrin F. Eden   +5 more
wiley   +1 more source

Diferencias en el gasto alimentario según características socioeconómicas y de seguridad alimentaria y nutricional en hogares de Medellín

open access: yesPerspectivas en Nutrición Humana, 2017
Antecedentes: la proporción de gasto alimentario en el hogar con respecto al gasto total es un indicador inverso del bienestar. Objetivo: analizar las diferencias en la proporción de gasto alimentario en los hogares de Medellín según características ...
Beatriz Elena Gil Gil   +3 more
doaj   +1 more source

Harnessing social media data to track species range shifts

open access: yesConservation Biology, EarlyView.
Abstract Biodiversity monitoring programs and citizen science data remain heavily biased toward the Global North. Especially in megadiverse countries with limited biodiversity records, incorporating social media data can help address existing data gaps.
Shawan Chowdhury   +15 more
wiley   +1 more source

Fenología, sincronía floral y éxito reproductivo de Neolloydia conoidea (Cactaceae)

open access: yesBotan‪ical Sciences, 2019
Antecedentes: Los estudios sobre los patrones de floración, sincronía floral y éxito reproductivo en cactáceas son incipientes y de muchas especies se desconoce prácticamente su biología reproductiva como ocurre con la cactácea globosa Neolloydia ...
Erika Arroyo-Pérez   +4 more
doaj   +1 more source

Using Cultural Theory to Specify the Policy Actors, Belief Systems, and Sources of Coalition, Conflict, Stability, and Change in Policy Advocacy Coalitions and Environmental Resource Policies

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT We use grid‐group cultural theory (CT) to specify underspecified aspects of the Advocacy Coalition Framework (ACF). Our theoretical synthesis of CT and the ACF provides, first, an exhaustive typology of policy actors and their cultural cognitive biases that entail, guide, and constrain policy core beliefs about problem definitions and ...
Metodi Sotirov, Brendon Swedlow
wiley   +1 more source

La proporción como un eje de articulación entre la secundaria y el bachillerato [PDF]

open access: yes, 2015
Diversas investigaciones muestran las dificultades de alumnos y profesores de educación básica y media superior en México en la noción de proporción, a las que se anexa un curriculum desarticulado en este mismo tema. El presente trabajo muestra como
Acosta, Juan Alberto   +2 more
core  

The Dejudicialization of the German Federal Bureaucracy: An Organizational Perspective on Policy‐Related Knowledge

open access: yesReview of Policy Research, EarlyView.
ABSTRACT Using data from a long‐term survey of senior civil servants (1970–2021), this study investigates the declining share of jurists in federal ministerial departments in Germany. The mechanisms driving this trend and its subsequent effects are discussed from an organizational perspective, highlighting the influence of environmental pressure and ...
Marian Döhler
wiley   +1 more source

La proporción entre la estatura y el peso corporal

open access: yesAnales de Antropología, 2009
En esta investigación se pretende analizar y observar la relación que existe entre el peso y la estatura corporal, este fenómeno se aprecia como un factor biológico general del crecimiento en mayor latitud, este fenómeno coincide con una morfología ...
Joahanna Faulhaber
doaj   +1 more source

Car Sequencing Problem con flotas de vehículos especiales. Presentación [PDF]

open access: yes, 2016
Car Sequencing Problem con demanda parcial incierta. Robustez en una multi-secuencia de vehículos mixtos.Partiendo del Car Sequencing Problem (CSP), introducimos el concepto demanda parcial incierta a través de la incorporación de Flotas de vehículos ...
Bautista Valhondo, Joaquín   +2 more
core   +2 more sources

ABCA12 Frameshift Deletion in Domestic Cats With Ichthyosis Fetalis

open access: yesVeterinary Dermatology, EarlyView.
ABSTRACT Background Ichthyosis fetalis (IF), also known as harlequin ichthyosis, is a rare and often fatal autosomal recessive congenital skin disorder. It is characterized by thickened, hard skin plaques and deep skin fissures that limit mobility and cause malformations of the eyes, lips and ears.
Jeanna M. Blake   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy