Results 51 to 60 of about 246 (153)

Cooperation, the Crowding Out Effect and the Role Of Incentives in the Case of Sustainable Hydroplant Project in Brazil

open access: yesManagement, 2018
Research Question: This paper sought to present a proposal for the analysis of the cooperation between a hydroelectric power plant and the fisheries community.
Fabricio Baron Mussi, Ubirata Tortato
doaj   +1 more source

Comparison of diversity indices applied to macrophyte incidence-based data

open access: yesBrazilian Archives of Biology and Technology, 2012
In this work, a recently proposed diversity index based on Patil and Taillie parametric diversity measure (or Tsallis entropy), Sq*, was applied to samples (presence-absence data) of macrophytes from the Itaipu Reservoir, Brazil.
Heloísa Beatriz Antoniazi Evangelista   +2 more
doaj   +1 more source

Effects of oligotrophication on fish growth: Insights from a mesocosm experiment

open access: yesLimnology and Oceanography, Volume 70, Issue S2, Page S392-S403, December 2025.
Abstract Human activities can frequently affect aquatic ecosystems in irreversible ways, with flow regulation and water quality being major concerns. Dams can promote the retention of sediments and nutrients, increase water transparency, and reduce primary productivity, all of which characterize the oligotrophication process.
Juliana Deo Dias   +3 more
wiley   +1 more source

Bank line retreat between 1984 and 2016 at Itaipu reservoir, Paraguay-Brazil border

open access: yesBrazilian Journal of Development, 2023
The Itaipu reservoir was created in 1984 on the Parana River, in the Paraguay-Brazil border. The reservoir is 181 km long, 7 km mean width, its capacity exceeds 29.109 m3 and the bank line has over 2,919 km. The objective of the present work is to estimate the magnitude of the shoreline recession rates in Brazilian shorelines of Itaipu reservoir since ...
openaire   +1 more source

Effects of light on the growth and photosynthesis of Egeria najas planchon

open access: yesBrazilian Archives of Biology and Technology, 2003
Photosynthesis and growth of Egeria najas (Hydrocharitaceae) from a subtropical reservoir (Itaipu Reservoir, Brazil-Paraguay) were measured in response to low light intensities (0-124 µM m-2 s-1 PAR) in the laboratory.
Tavechio Washington Luiz Gomes   +1 more
doaj  

Shared governance as a pathway to regional cooperation and development through the ItaipuCorpus

open access: yesDevelopment Policy Review, Volume 43, Issue 6, November 2025.
Abstract Motivation Cross‐border cooperation remains a critical challenge for sustainable development in regions marked by historical rivalries, geopolitical asymmetries, and socioenvironmental vulnerabilities. The Itaipu Binacional Hydroelectric Plant, jointly governed by Brazil and Paraguay, offers a unique case for examining how shared governance ...
Júlia Souza Luiz   +1 more
wiley   +1 more source

Satellite–Reanalysis Contrasts in Extreme Rainfall around the Itaipu Reservoir, Brazil

open access: yesEarth Systems and Environment
Abstract Understanding extreme rainfall and long-term hydroclimatic variability is critical for hydrological modelling, climate diagnostics, and risk assessment in subtropical basins influenced by complex mesoscale and synoptic processes.
Paulo Miguel de Bodas Terassi   +3 more
openaire   +1 more source

Current perspective on dental black stain of bacterial origin: A narrative review

open access: yesEuropean Journal of Oral Sciences, Volume 133, Issue 3, June 2025.
Abstract Dental black stain is a form of external discoloration appearing as a dark line or an incomplete coalescence of dark spots in the cervical third of the tooth. This review aims to provide an up‐to‐date clinical and biological summary of dental black stain of bacterial origin.
Ahmed Al‐Shareef   +5 more
wiley   +1 more source

Prevalência de Anofelinos (Diptera: Culicidae) no Crepúsculo Vespertino em Áreas da Usina Hidrelétrica de Itaipu, no Município de Guaíra, Estado do Paraná, Brasil

open access: yesMemorias do Instituto Oswaldo Cruz, 1997
Systematic collections of anophelines were conducted from November 1994 to August 1995 from 18:00 to 20:00 hr using Shannon traps and human-bait along the lake margin which forms the Itaipu Hydroelectric reservoir, State of Paraná, Brazil.
Anthony Érico Guimarães   +4 more
doaj   +1 more source

‘…and the evidence was irrefutable’: The politics of evidence in the World Commission on Dams

open access: yesThe Geographical Journal, Volume 191, Issue 2, June 2025.
Abstract Evidence‐based policy‐making increasingly shapes the practice of advisory bodies, including global environmental assessments (GEAs). Advocates point to the power of evidence (particularly, but not only scientific evidence) to improve policy‐making.
Christopher Schulz, William M. Adams
wiley   +1 more source

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