Results 51 to 60 of about 11,968 (163)

Qualidade da água do reservatório de Nossa Senhora das Dores através do índice de qualidade da água de reservatório

open access: yes, 2017
O atual estudo objetivou avaliar a qualidade sazonal da água do Açude Público, reservatório localizado no município de Nossa Senhora das Dores - Sergipe. Este pertence à sub-bacia do rio Siriri, encontrando-se nas coordenadas 10°29’31,32’’S – 37°11’11,83’
Nilson Cesar Menezes Santos   +5 more
core   +1 more source

Identificação de jatos de baixos níveis na região do reservatório de Furnas/MG [PDF]

open access: yes, 2022
Commonly, at the top of the Planetary Boundary Layer (PBL), in its nocturnal/stable phase, the formation of a maximum in the vertical wind profile known as Low Level Jet (LLJ) occurs. These events are observed in various parts of the world and have a
PASSOS, Robson Barreto dos
core  

Water quality in four reservoirs of the metropolitan region of São Paulo, Brazil

open access: yesActa Limnologica Brasiliensia, 2015
Aim: This paper describes some limnological variables of four reservoirs with different trophic status (Billings, Guarapiranga, Jundiaí and Paiva Castro) of the Metropolitan Region of São Paulo, Brazil, aiming to characterize the water quality in these ...
Denise Amazonas Pires   +3 more
doaj   +1 more source

Small Seismic Sources to Improve Survey Efficiency at Reduced Environmental Impact: Case Study From the Brazilian Pre‐Salt

open access: yesGeophysical Prospecting, Volume 73, Issue 9, November 2025.
ABSTRACT In Brazil, concerns about marine life have resulted in strong restrictions on seismic operations, with a minimum distance of 60 km between source vessels and an exclusion zone of 1000 m for marine mammals. These restrictions impact survey efficiency, duration, logistics and cost. Optimized and physically smaller seismic sources may reduce cost
Felipe Capuzzo   +4 more
wiley   +1 more source

Spatial evaluation of water quality in an urban reservoir (Billings Complex, southeastern Brazil) Avaliação espacial da qualidade da água em reservatório urbano (Complexo Billings, sudeste do Brasil)

open access: yesActa Limnologica Brasiliensia, 2011
AIM: The study aimed at (a) contributing to a spatial evaluation of the Billings Complex water quality; (b) associating information on the geochemistry of the surface sediments; and (c) providing, based on previous studies, a temporal evaluation of the ...
Simone Wengrat, Denise de Campos Bicudo
doaj   +1 more source

Antagonistic Rewiring and Turnover Patterns in a Neotropical Fish–Parasite Metanetwork

open access: yesFreshwater Biology, Volume 70, Issue 7, July 2025.
ABSTRACT Integrating beta‐diversity and network analyses is an emerging approach for understanding the spatial structure of species communities. For instance, although the presence of hosts affects parasite species distribution, environmental factors can either restrict or promote the occurrence of certain parasite species by changing the abundance of ...
Ana Paula Lula Costa   +2 more
wiley   +1 more source

Idade e crescimento de Plagioscion squamosissimus (Heckel, 1840) (Acanthopterygii, Sciaenidae) do reservatório de Barra Bonita-SP, através da estrutura dos otólitos - DOI: 10.4025/actascibiolsci.v20i0.4470

open access: yesActa Scientiarum: Biological Sciences, 2008
O presente trabalho teve por objetivo estudar a idade e o crescimento de Plagioscion squamosissimus coletados no reservatório de Barra Bonita-SP, no período de agosto/92 a julho/93, com base no método dos anéis etários nos otólitos.
Antonio Carlos Leal de Castro
doaj   +1 more source

Predicting Landscape Conversion Impact on Small Mammal Occurrence and the Transmission of Parasites in the Atlantic Forest

open access: yesGlobal Ecology and Biogeography, Volume 33, Issue 12, December 2024.
ABSTRACT Aim Changes in landscape configuration significantly impact ecosystems and the services they provide, including disease regulation for both humans and wildlife. Land use conversion usually favors disturbed‐adapted species, which are often known reservoirs of zoonotic parasites, thereby potentially escalating spillover events (i.e., the ...
Ana Paula L. Costa   +8 more
wiley   +1 more source

Uso do balanço hídrico seriado para o dimensionamento de estrutura de armazenamento de água das chuvas: estudos de casos [PDF]

open access: yes, 2004
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Ambiental.O Estado de Santa Catarina sofre constantemente com a escassez hídrica para o uso agrícola e a agroindústria. O despejo
Oliveira, Yuri Vieira de
core  

Relação peso-comprimento e fator de condição para Cichla cf. ocellaris e Cichla monoculus (Perciformes, Cichlidae) no reservatório de Volta Grande, rio Grande - MG/SP - DOI: 10.4025/actascibiolsci.v25i1.2119

open access: yesActa Scientiarum: Biological Sciences, 2008
Neste trabalho, foram analisados a relação peso e comprimento e o fator de condição de duas espécies de tucunarés, Cichla (Perciformes, Cichlidae), introduzidas no reservatório da UHE de Volta Grande, rio Grande. Tanto para Cichla cf. ocellaris como para
Leandro Muller Gomiero   +1 more
doaj   +1 more source

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