Results 61 to 70 of about 1,752 (180)

Rapidly declining seagrass meadows in Brazil: Findings from satellite imagery and local knowledge

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1155-1171, May 2026.
Abstract Due to the limitations of individual monitoring approaches, integrating social perceptions with multiple advanced technologies provides a new opportunity to gain a comprehensive understanding of ecosystem degradation. We combined historical aerial mapping, satellite imagery, semi‐structured interviews with local stakeholders, and a bilingual ...
Karine Matos Magalhães   +6 more
wiley   +1 more source

Imageamento com GPR das geometrias internas de depósitos fluviais em rochas da Formação Barreiras, Praia de Cacimbinhas/RN [PDF]

open access: yes, 2023
This study comprises a geophysical survey utilizing the Ground Penetrating Radar (GPR) method, conducted along siliciclastic rocks outcropping at Cacimbinhas Beach, in the municipality of Tibau do Sul, on the southeastern coast of Rio Grande do Norte ...
Canova, Rodrigo Libório Ferreira
core  

Genèse et évolution des cuirasses ferrugineuses dans la formation Barreiras, marge sud-est du Brésil [PDF]

open access: yes
The Barreiras Formation (Fm.) represents continental and shallow-marine sequences that are widespread along the entire Brazilian Atlantic margin. The extensive ferruginization is conspicuous as evidenced by numerous ferruginous horizons with duricrust ...
Martins, Ramon
core   +2 more sources

Beach ridges, foredunes or transgressive dunefields? Definitions and an examination of the Torres to Tramandaí barrier system, Southern Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2005
Many prograded barriers and some dunefields in theworld have been termed 'beach ridge' plains, but the actual genesis of the 'ridges' is often unknown. Use of the terms, berms, beach ridges and foredunes is also confusing in the literature because their ...
Patrick A. Hesp   +9 more
doaj   +1 more source

Impacts of Fire on Flow Magnitude and Variability in the Southeastern Amazon Basin

open access: yesWater Resources Research, Volume 62, Issue 5, May 2026.
Abstract Increasing fire within the Amazon rainforest is a significant disturbance that has the potential to alter flow regimes and subsequently impact local ecology and ecosystem services. While previous studies have examined the impact of land cover change on streamflow, the specific effects of fire on the hydrology of Amazonian forested catchments ...
Sharmin F. Siddiqui   +2 more
wiley   +1 more source

Tectonics and paleogeography of the Marajó Basin, northern Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2002
The Marajó Basin area presents geologic and geomorphologic features chiefly due to the Mesozoic extension and post-Miocene neotectonics. The extension event with an Early and a Late Cretaceous phases originated four sub-basins that constitutes the Marajó
JOÃO B. S. COSTA   +4 more
doaj   +1 more source

Equine experimental lameness induction models

open access: yesEquine Veterinary Education, Volume 38, Issue 5, Page 270-284, May 2026.
Summary Equine lameness due to musculoskeletal injury remains a common and significant cause of decreased performance. While our understanding and management of lameness have improved with advanced imaging, as well as diagnostic and therapeutic progression, a need for experimental equine models of lameness remains.
A. Dockery, B. Beasley, V. J. Moorman
wiley   +1 more source

Padrões de deformação conjugado e ortorrômbico das estruturas deformacionais na formação barreiras (neógeno) NE da Bahia, Brasil [PDF]

open access: yes, 2019
Formação Barreiras é uma cobertura sedimentar terrígena que ocorre de modo quase contínuo na costa brasileira e se distribui desde o estado do Amapá até o Rio de Janeiro.
Nascimento, Danielle Sampaio
core  

Slow Recovery and Loss of Species Richness in a Semi‐Deciduous Seasonal Atlantic Forest After Selective Logging and Drought Events

open access: yesJournal of Vegetation Science, Volume 37, Issue 3, May/June 2026.
Long‐term monitoring revealed slow recovery and declining species richness in a semi‐deciduous Atlantic Forest following selective logging and recurrent droughts. Despite structural increases, compositional shifts toward dominance by a few species indicate functional simplification.
Nilson Berriel   +5 more
wiley   +1 more source

As principais barreiras ao empreendimento de novos negócios: um modelo que considera as condições do empreendedor na configuração dessa percepção [PDF]

open access: yes, 2001
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia de ProduçãoO estudo desenvolvido teve como fim principal conhecer as principais barreiras percebidas por indivíduos com o desejo de ...
Malheiros, Rita de Cassia da Costa
core  

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