Results 41 to 50 of about 121,210 (231)

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

open access: yesPeople and Nature, EarlyView.
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

Lagrangian Coherent Structures for Mapping Mesoscale Circulation in the Western Equatorial Atlantic

open access: yesJournal of Marine Science and Engineering
Lagrangian Coherent Structures (LCSs) in the mesoscale circulation of the Western Equatorial Atlantic (WEA), a region governed by the North Brazil Current (NBC) and its retroflection, are analyzed.
Yuri Onça Prestes   +2 more
doaj   +1 more source

Nanocapsules Containing Neem (Azadirachta Indica) Oil: Development, Characterization, And Toxicity Evaluation

open access: yesScientific Reports, 2017
In this study, we prepared, characterized, and performed toxicity analyses of poly(ε-caprolactone) nanocapsules loaded with neem oil. Three formulations were prepared by the emulsion/solvent evaporation method.
Tatiane Pasquoto-Stigliani   +10 more
doaj   +1 more source

A floresta urbanizada. [PDF]

open access: yes, 1999
Divulga os resultados do Monitoramento Agrícola e Ambiental da Amazônia Legal, em destaque, o desmatamento e a urbanização das florestas na região.bitstream/item/105447/1/880 ...
MIRANDA, E. E. de
core  

Monitoring environmental liabilities with support of the technology and information system [PDF]

open access: yes, 2010
Este artigo apresenta uma estrutura de software de monitoramento socioambiental para diagnóstico das organizações em termos de sustentabilidade. Este sistema está alicerçado em uma base de dados de indicadores de desenvolvimento socioambiental, concebida
POZO, Hamilton, TACHIZAWA, Takeshy
core   +3 more sources

A new catfish species of Microcambeva Costa & Bockmann, 1994 (Siluriformes: Trichomycteridae) from southern Brazil, with a redescription of M. ribeirae Costa, Lima & Bizerril, 2004

open access: yesJournal of Fish Biology, EarlyView.
Abstract Among the few species of Microcambeva reported as occurring in more than one hydrographic basin, M. ribeirae has been previously listed from both the Ribeira de Iguape and the Guaraqueçaba basins. However, morphological and molecular analyses revealed that the specimens from Guaraqueçaba represent a new species, which is described in this ...
Lucas S. de Medeiros   +6 more
wiley   +1 more source

Desenvolvimento de plataforma para monitoramento "automatizado" de dados termo-pluviométricos.

open access: yesGeosul, 2012
  Dada a importância do ambiente na pesquisa ambiental, o trabalho propõe como objetivo a construção de um sistema de monitoramento automatizado de dados termo-pluviométricos.
Ricardo Augusto Calheiros de Miranda   +1 more
doaj   +1 more source

Proposta conceitual de estudo para a integração e gerenciamento do uso de marcadores bioquímicos de contaminação ambiental. [PDF]

open access: yes, 2015
Resumo: A agricultura sustentável prioriza o uso racional da terra e da biota. Para tanto, é necessária a compreensão da interação entre os insumos agrícolas e os ecossistemas.
CASTRO, V. L. S. S. de, JONSSON, C. M.
core  

Abundance and Seasonal Dynamics of Guiana Dolphins (Sotalia guianensis) in Southern Brazilian Estuarine and Adjacent Coastal Waters

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.
ABSTRACT Estimating population parameters is crucial for understanding species dynamics and assessing anthropogenic impacts, thereby supporting conservation efforts. We evaluate key population parameters—group structure, abundance and capture–recapture probabilities—of the Guiana dolphin in the Paranaguá Estuarine Complex and adjacent coastal waters ...
Stephane P. G. de Moura   +3 more
wiley   +1 more source

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