Results 31 to 40 of about 178,481 (208)

Demographic Parameters of Iberian Killer Whales Between 2011 and 2023

open access: yesMarine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT The Iberian killer whale subpopulation was assessed as critically endangered (CR) by the IUCN red list of threatened species based on the available information until 2011 on its low abundance, high newborn mortality, and dependency on the endangered Atlantic bluefin tuna.
Ruth Esteban   +32 more
wiley   +1 more source

Estructuras tarifarias bajo stress

open access: yesEconómica, 2006
Las crisis macroeconómicas en la Argentina han puesto históricamente a la tarificación de los servicios públicos en una situación de stress, iniciando un ciclo tarifario real con cambios de la estructura tarifaria en varias dimensiones.
Fernando Navajas
doaj  

La cuestión de las tarifas ferroviarias y el abastecimiento del mercado catalán de cereales y harina (1865-1900) [PDF]

open access: yes, 2016
El artículo trata de las expectativas generadas por la construcción de la red ferroviaria sobre los precios del trigo en los mercados de la periferia peninsular.
Pascual i Domènech, Pere, 1945-
core  

Campylobacter Species Isolated From Wild Birds in Switzerland and Comparison to Isolates From Food and Human Origin

open access: yesMicrobiologyOpen, Volume 14, Issue 6, December 2025.
Campylobacter strains (Blue) from wild birds cluster with strains from poultry and human (red), showing dissemination of strains from wild birds via food to human. ABSTRACT Campylobacter species, a major cause of gastroenteritis, have been frequently isolated from wild birds.
Marc J. A. Stevens   +4 more
wiley   +1 more source

Escalada tarifária e exportações brasileiras da agroindústria do café e da soja [PDF]

open access: yes, 2011
A escalada tarifária, em que o emprego de tarifas de importação sobre componentes ou matéria-prima é mais baixo e aumenta progressivamente para bens semifinais ou finais, estimula a importação de produtos primários em detrimento dos processados.
BURNQUIST, Heloisa Lee   +2 more
core   +2 more sources

Perceived economic hardship and adjustment outcomes of children and adolescents: A systematic review and meta‐analysis

open access: yesJournal of Research on Adolescence, Volume 35, Issue 4, December 2025.
Abstract Most studies about the relation between economic hardship and child/adolescent outcomes include either objective assessments of economic hardship, such as income and social benefits, or both objective and subjective assessments without disentangling their effects.
Luísa A. Ribeiro, Serap Keles
wiley   +1 more source

Restore little to improve much: the value of woody linear elements for ecological connectivity across agricultural landscapes

open access: yesRestoration Ecology, Volume 33, Issue 8, November 2025.
Mediterranean Europe is facing significant pressures from agricultural intensification. The European Union (EU) Natura2000 network (N2K) seeks to mitigate habitat loss and fragmentation, but its effectiveness needs to be enhanced through Green Infrastructure (GI) to improve coherence between N2K patches.
Simone Valeri   +2 more
wiley   +1 more source

Reflexiones en torno al régimen de subsidios y contribuciones, en los sectores de acueducto, alcantarillado y aseo

open access: yesJurídicas, 2011
El régimen jurídico aplicable al tema del otorgamiento de subsidios y contribuciones a sectores con menor capacidad adquisitiva de la población, ha sido objeto de múltiples interpretaciones y cambios en su marco normativo, a raíz de una serie de ...
Ómar Alfonso Ochoa Maldonado
doaj  

El modelo de regulación tarifaria para el servicio de electricidad y el costo de la energía eléctrica en Costa Rica

open access: yesRevista Nacional de Administración, 2015
Se expone el modelo utilizado por la Autoridad Reguladora de los Servicios Públicos (ARESEP) para defi nir los ajustes en las tarifas de la electricidad para los usuarios fi nales. La metodología se desarrolla con base en un ejemplo y, posteriormente, se
José Fulvio Sandoval Vásquez   +1 more
doaj   +1 more source

Home - About - Disclaimer - Privacy