Results 41 to 50 of about 79,287 (157)

The collective application of shorebird tracking data to conservation

open access: yesConservation Biology, EarlyView.
Abstract Addressing urgent conservation issues, such as the drastic declines of North American migratory birds, requires creative, evidence‐based, efficient, and collaborative approaches. The abundance of over 50% of monitored North American shorebird populations has declined by over 50% since 1980. To address these declines, we developed a partnership
Autumn‐Lynn Harrison   +71 more
wiley   +1 more source

Ações de divulgação científica na Universidade Federal de Santa Catarina: extensão como compromisso social com a educação em ciência e tecnologia [PDF]

open access: yes, 2006
Dissertação (mestrado) - Universidade Federal de Santa Catarina. Programa de Pós-Graduação em Educação Científica e TecnológicaNeste estudo reforço a necessidade da educação científica e tecnológica de toda a população, acentuando como as complexas ...
Valério, Marcelo
core  

Presentación. Educación científica. Nuevas metodologías para una sociedad cambiante (2)

open access: yes, 2021
Una vez publicado el primer número del monográfico de la Revista Iberoamericana de Educación dedicado a la Educación Científica, aparece este segundo con los artículos que quedaron pendientes de la versión definitiva. Con él se completa lo que, a nuestro
Perales Palacios, Francisco Javier   +3 more
core   +1 more source

Seasonal abundances of the harbor seal (Phoca vitulina richardsi Gray 1864), at Punta Banda Estuary (B.C., Mexico)

open access: yesCiencias Marinas, 1992
In order to know the present abundance and seasonal variability of the seals (Phoca vitulina richardsi Gray, 1864) hauling at the inner northwest portion of Punta Banda Estuary (Baja California, Mexico), 40 counts were carried out between November 1988 ...
DH Loya-Salinas, E Palacios, S González
doaj   +1 more source

Voting Red Again: How Social Capital and Local Change Drove the Trump Swing

open access: yesJournal of Regional Science, EarlyView.
ABSTRACT Social capital has long been regarded as a bulwark of democratic life. Yet in the United States—as across much of the democratic world—some of the communities with the densest social ties have proved the most receptive to antisystem politics.
Pedro Fierro   +3 more
wiley   +1 more source

CAPITAL SIMBÓLICO Y ACCESO DESIGUAL A LA EDUCACIÓN SUPERIOR. EL CASO DE LA FACULTAD DE CIENCIAS ECONOMICAS Y SOCIALES DE LA UNMDP [PDF]

open access: yes, 2011
En nuestro país, desde comienzos de la década de 2000, el estado nacional en conjunto con las universidades públicas, han implementado instrumentos de políticas para posibilitar el acceso de la población de sectores socioeconómicamente postergados.
González Carella, María Inés   +3 more
core  

Intensive culture of Litopenaeus vannamei Boone 1931, in a recirculating seawater system

open access: yesCiencias Marinas, 2004
The intensive culture of Litopenaeus vannamei continues to expand and their study in recirculating rearing tanks with limited water volume is scarce. The aim of this research was to cultivate white shrimp postlarvae (PL 13) for five months in a 5.85-m3 ...
B Barón-Sevilla   +2 more
doaj   +1 more source

Elevational variation in heart mass and suppression of hypoxia‐induced right ventricle hypertrophy in Andean leaf‐eared mice (Phyllotis)

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend In lowland mammals that ascend to high elevation, hypoxia‐induced changes in the pulmonary circulation can give rise to hypoxic pulmonary hypertension (HPH) and associated right‐ventricle (RV) hypertrophy. Andean mice with broad elevational ranges have greater heart mass relative to body size at higher elevations, but they ...
Naim M. Bautista   +9 more
wiley   +1 more source

Single‐Breathhold 3D MR Elastography in the Liver, With Simultaneous R2* and PDFF Mapping

open access: yesMagnetic Resonance in Medicine, Volume 96, Issue 2, Page 682-697, August 2026.
Purpose To develop a sequence for the rapid acquisition of MR elastography (MRE) parameters in 3D, with simultaneous measurement of proton‐density fat fraction (PDFF) and R2* for multiparametric assessment of liver disease. Methods The proposed sequence uses an interleaved motion‐encoding scheme to acquire 3D volumes of all motion encodings and wave ...
Donovan P. Tripp   +10 more
wiley   +1 more source

Spatial and temporal occurrence of fin whales (Balaenoptera physalus) and euphausiids (Nyctiphanes simplex) in the Ballenas Channel, Gulf of California, Mexico

open access: yesCiencias Marinas, 2015
Fin whales (Balaenoptera physalus) are observed year-round in the Ballenas Channel and Bahía de los Ángeles region, Gulf of California, where their main food item is the euphausiid Nyctiphanes simplex.
Paloma Ladrón-de-Guevara   +2 more
doaj   +1 more source

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