Results 51 to 60 of about 1,095 (169)

Neotropical Cave Entrances as Environmental Filters for Vascular Plant Communities Along Low‐Light and Soil Resource Gradients

open access: yesJournal of Vegetation Science, Volume 37, Issue 4, July/August 2026.
Conceptual representation of cave entrances as ecological filters along the epigean forest–cave continuum in Neotropical quartzite systems. Vascular plant richness declines sharply from the well‐lit, organic‐rich forest toward the low‐light, quartz‐rich cave interior, while community composition and β‐diversity are shaped by the combined effects of ...
Rafael Costa Cardoso   +6 more
wiley   +1 more source

Tarifas - Vigência - Competência

open access: yesRevista de Direito Administrativo, 1983
Supremo Tribunal ...
openaire   +1 more source

MISS diversity from saline lakes of Brazilian Pantanal: Origin, potential of preservation and comparison with examples of the Ediacaran‐Cambrian shallow depositional settings

open access: yesSedimentology, Volume 73, Issue 4, Page 945-964, June 2026.
ABSTRACT One of the largest wetlands on Earth, the Brazilian Pantanal contains roughly 10 000 natural lakes, about 1000 of which are hypersaline. In these environmentally stressful settings, animal life struggles to survive, while cyanobacteria form extensive mats.
Lucas V. Warren   +5 more
wiley   +1 more source

Tarifas caprichosas

open access: yesObservatorio Económico
El artículo analiza críticamente la imposición de aranceles por parte de Estados Unidos bajo la presidencia de Trump. El autor comienza explicando las identidades económicas fundamentales que relacionan el déficit de cuenta corriente estadounidense con sus desequilibrios domésticos.
openaire   +1 more source

Tarifas de seguros

open access: yes, 2022
La actividad aseguradora ofrece constantes motivos de debates en los diferentes tópicos de su desenvolvimiento, presentándose opiniones encontradas que sólo se concilian cuando existe un régimen legal que otorgue facultades a un organismo determinado para que tome decisiones precisas y con ellas queden resueltas las controversias suscitadas. Este es el
Gaviria, Alberto   +1 more
openaire   +1 more source

Spatiotemporal Quantification of Rugulopteryx okamurae in Beach Wrack Using UAV Multispectral Remote Sensing

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 5, May 2026.
ABSTRACT Excessive beach accumulations of stranded macrophytes, also known as wrack, are a growing challenge for coastal ecosystems and management, particularly when dominated by invasive species. The Asian brown alga Rugulopteryx okamurae has rapidly proliferated along the southern coast of Spain, causing significant ecological and socioeconomic ...
Paloma Lucena‐Moya   +4 more
wiley   +1 more source

Lucratividade e qualidade na distribuição de energia elétrica

open access: yesNova Economia, 2009
Privatization of electricity distribution in Brazil had, as one of its stated purposes, generation of sufficient revenue to guarantee service quality and full market coverage.
André Ghirardi   +2 more
doaj  

Sunshine Duration in Brazil From Meteosat (1983–2020): Climatology, Variability and Long‐Term Trends

open access: yesInternational Journal of Climatology, Volume 46, Issue 6, May 2026.
Using nearly four decades of Meteosat satellite data (1983–2020), this study presents a country‐wide climatology of sunshine duration (SDU) in Brazil. The results reveal marked regional contrasts, dominant modes of variability, and significant long‐term trends, providing new information on the most relevant meteorological systems that influence SDU and
Maria Lívia Lins Mattos Gava   +2 more
wiley   +1 more source

Una aproximación al arte fotográfico en el continente africano

open access: yesRelaciones Internacionales, 2008
En Bamako “Encuentros africanos de la fotografía” es un espacio destinado a que Occidente abra los ojos sobre el continente aunque esto pueda dificultar la creación de una visión de África para ella misma.
Sandra M. MAUNAC
doaj  

Comentario de la sentencia c 039/2018 de 09 de mayo de 2018 de la Corte Constitucional de Colombia: sobre las reformas del iva y sus efectos en algunos principios y derechos constitucionales

open access: yesRevista Justicia y Derecho, 2018
En el caso sometido análisis la Corte Constitucional evaluó la posible vulneración entre otros derechos constitucionales, el derecho a la vida digna, la igualdad y la educación; en razón del incremento de la tarifa, la incorporación de una tarifa ...
Lucía del Carmen Bolaños Bolaños
doaj   +1 more source

Home - About - Disclaimer - Privacy