Results 31 to 40 of about 13,983 (162)

Integration between experimental investigation and numerical simulation of alkaline surfactant foam flooding in carbonate reservoirs

open access: yesJournal of Petroleum Exploration and Production Technology
In Brazil, pre-salt carbonate reservoirs are largely responsible for the current increase in oil production. However, due to its peculiar characteristics, increasing oil recovery by water injection is not enough.
João Victor Gois Silva   +3 more
doaj   +1 more source

Trapped in the web: network architectures spread coevolution and shape adaptation

open access: yesOikos, Volume 2026, Issue 7, July 2026.
Adaptation is critical for biodiversity to persist under global change. Within ecological communities, species often face tradeoffs between adapting to shifting abiotic conditions and navigating the complex selective pressures imposed by interaction networks.
Alexandre Fuster‐Calvo   +5 more
wiley   +1 more source

Analysis of optical proprieties of the water reservoir Rodolfo Costa e Silva – Itaara, RS, Brazil, with field spectral data and orbital multispectral images

open access: yesRevista Ambiente & Água, 2007
An evaluation of the discrimination of water classes using continuum removal technique applied over spectral data obtained in field and multispectral images classification is presented.
Waterloo Pereira Filho   +3 more
doaj   +1 more source

Bee community assembly is regulated by functional traits in pristine tropical forest environments

open access: yesFunctional Ecology, Volume 40, Issue 7, Page 2102-2113, July 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Understanding the drivers of bee beta diversity across pristine environments in the Amazon is critical for ensuring biodiversity conservation, restoration, sustainable land use planning and economic development.
Rafael Cabral Borges   +7 more
wiley   +1 more source

Estudo da conservação da água de chuva em três tipos de reservatórios: Convencional, convencional enterrado e enterrado contendo areia [PDF]

open access: yes, 2016
TCC(graduação) - Universidade Federal de Santa Catarina. Centro Tecnológico. Engenharia Sanitária e Ambiental.A falta de água que vem ocorrendo ao redor do mundo é um fato evidente e crescente, que torna impreterível o desenvolvimento de soluções para ...
Fechine, Victor Ybarzo
core  

Ocorrência de Cianobactérias no Reservatório de Mundaú, no Estado de Pernambuco no Período de Janeiro de 2010 a Novembro de 2011

open access: yesVigilância Sanitária em Debate: Sociedade, Ciência & Tecnologia, 2013
As cianobactérias são organismos procariontes, assemelhando-se às bactérias, e realizam fotossíntese com produção de oxigênio, como células vegetais. As florações desses organismos podem causar problemas em mananciais de abastecimento público, pois algumas espécies podem produzir cianotoxinas.
Edvani Maria da Silva   +3 more
openaire   +2 more sources

Variabilidade no conteúdo calórico de plantas vasculares em dois reservatórios do Estado do Paraná - DOI: 10.4025/actascibiolsci.v26i2.1611

open access: yesActa Scientiarum: Biological Sciences, 2008
Com o intuito de quantificar o conteúdo calórico das plantas vasculares de dois reservatórios do Estado do Paraná, bem como sua variabilidade espacial e entre grupos ecológicos, foram realizadas amostragens em dezembro de 2002, nas zonas fluvial, de ...
Elãine Christine dos Santos Dourado   +2 more
doaj   +1 more source

Environmental detection of the amphibian chytrid fungus in water bodies is associated with host infection along a deforestation gradient

open access: yesJournal of Applied Ecology, Volume 63, Issue 7, July 2026.
Linking environmental pathogen detection with host infection patterns can improve surveillance of diseases involving environmental transmission, particularly where direct host sampling is logistically challenging. This approach enables the identification of areas of elevated transmission risk and supports targeted monitoring and management under ...
Ananda Brito de Assis   +9 more
wiley   +1 more source

Sensibilidade Espectral dos Índices de Vegetação: GNDVI, NDVI e EVI na Mata Ciliar do Reservatório de Serrinha II – PE, Brasil

open access: yesRevista Brasileira de Cartografia, 2021
Matas ciliares são florestas associadas a córregos, rios e lagos possuindo influência na proteção dos ecossistemas de ações antrópicas. O objetivo deste estudo foi identificar as alterações nas áreas de mata ciliar da Caatinga, a partir da sensibilidade ...
Ubiratan Joaquim da Silva Junior   +3 more
doaj   +1 more source

Host–Parasite Interaction Networks of Helminths of Sigmodontine Rodents in Two Different Areas of the Brazilian Atlantic Forest

open access: yesEcological Research, Volume 41, Issue 3, May 2026.
Two helminth‐rodent networks were analyzed for two distinct areas. Network modularity, nestedness, and degree of specialization were calculated for each network. Higher network modularity than nestedness and high network specialization were observed in both networks, suggesting functional and/or taxonomic specialization between helminth species and ...
Thiago dos Santos Cardoso   +7 more
wiley   +1 more source

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