Results 51 to 60 of about 3,840 (210)

Novas geopolíticas em torno de Foz do Iguaçu e Itaipu

Conversas & Controvérsias, 2018
Há mais de um século, as relações diplomáticas entre Brasil, Argentina e Paraguai na tríplice fronteira são marcadas pela intensidade. Após conflitos territoriais e fronteiriços nos séculos XIX e XX, o uso dos recursos hídricos ganhou o ...
Guillaume Leturcq
doaj   +1 more source

Assessment of Oxidative Stress, Vitellogenin, and Human Health Risks Derived From Nile Tilapia Exposed to Metals and Metalloids in Southeastern Brazil

Environmental Toxicology, EarlyView.
ABSTRACT Urban coastal lagoons are highly vulnerable ecosystems increasingly affected by metal contamination, as well as multiple anthropogenic stressors. This study evaluated ecotoxicological and human health risks associated with chronic metal exposure in Nile tilapia (Oreochromis niloticus) from an anthropogenically impacted lagoon in southeastern ...
Julia Araújo Alves, Priscila M. O. Muniz Cunha, Shênia Patrícia Corrêa Novo, Lorena Oliveira Souza Soares, Tatiana Dillenburg Saint‐Pierre, Fábio Veríssimo Correia, André Luís de Sá Salomão, Rachel Ann Hauser‐Davis, Enrico Mendes Saggioro   +8 more
wiley   +1 more source

Reparação da Minuta de Convênio FUNAI/ITAIPU [PDF]

, 1993
O arquivo é composto de documentos que apresentam as tratativas para a Minuta de Convênio entre a Itaipu e a Funai no que concerne a solução para o problema fundiário do território Guarani com a construção do reservatório de Itaipu.
Silva, Vladinei Tadeu da, Almeida, João Carlos de, Borguetti, José R., Canalli, Gilberto   +3 more
core  

Hydrogen Production Plant Retrofit for Green H₂: Experimental Validation of a High-Efficiency Retrofit of an Alkaline Hydrogen Plant Using an Isolated DC Microgrid

Energies
Given the climate change observed in the past few decades, sustainable development and the use of renewable energy sources are urgent. In this scenario, hydrogen production through electrolyzers is a promising renewable source and energy vector because ...
Rogerio Luiz da Silva Junior, Filipe Tavares Carneiro, Leonardo Bruno Garcial Campanhol, Guilherme Gemi Pissaia, Tales Gottlieb Jahn, Angel Ambrocio Quispe, Carina Bonavigo Jakubiu, Daniel Augusto Cantane, Leonardo Sostmeyer Mai, Jose Alfredo Valverde, Fernando Marcos Oliveira   +10 more
doaj   +1 more source

Global Performance of Remote Sensing‐Based and Reanalysis‐Driven Models to Estimate Open Water Evaporation

Water Resources Research, Volume 62, Issue 7, July 2026.
Abstract Evaporation plays an essential role in the water cycle, influencing local and regional climates while directly impacting water availability in lakes. However, directly measuring evaporation over water bodies remains challenging due to the high costs of installing and maintaining the required in situ instrumentation.
Júlia Brusso Rossi, Ayan Santos Fleischmann, Leonardo Laipelt, Bruno Comini de Andrade, Joshua B. Fisher, Justin L. Huntington, Christopher Pearson, R. Iestyn Woolway, Roseilson Vale, Raoni A. S. Santana, Júlio Tota, Gabriel B. Senay, Huilin Gao, Anderson Ruhoff   +13 more
wiley   +1 more source

Birdwatching as a regenerative tourism practice: evidence from Brazilian public policy

RUDN Journal of Ecology and Life Safety
The development of regenerative tourism has been proposed as a response to the limitations of conventional sustainable tourism, particularly its restricted capacity to address long-term socioecological challenges.
Marcos R. Pisarski Jr.
doaj   +1 more source

Infrastructure as a diplomatic tool: the role of Itaipu in Brazilian foreign policy discourse and practice (1960-1979) [PDF]

Revista Brasileira de Política Internacional
This article examines Brazil’s diplomatic strategy in creating the Itaipu hydroelectric dam, emphasizing its cooperative frameworks with Paraguay and Argentina to foster regional integration. It analyzes how Brazil leveraged the Itaipu negotiations (1960-
Wilton Dias
doaj   +1 more source

O projeto educacional da Itaipu Binacional para a margem direita paraguaia (1974-1985) (The Binational Itaipu educational project for the paraguayan right margin (1974-1985))

Emancipação, 2022
O artigo analisa o “Projeto Educacional da Itaipu Binacional para a margem direita paraguaia”, viabilizado durante o período de construção da Usina Hidrelétrica Binacional de Itaipu, entre 1974 e 1985.
Denise Kloeckner Sbardelotto, André Paulo Castanha   +1 more
doaj   +1 more source

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

Journal of Fish Biology, Volume 109, Issue 1, Page 257-263, July 2026.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro, Raquel Lopes Queiroz, Cristiéle da Silva Ribeiro   +2 more
wiley   +1 more source

ATA DA REUNIÃO REALIZADA ENTRE ITAIPU, FUNAI E ITC [PDF]

, 1982
Ata de reunião realizada entre Itaipu, Funai e ITC para discutir o reassentamento dos índios Ava-Guarani que viviam na área que seria inundada.Acervo doado ao ...
SALA, Maria Guiomar Moraes, PEREIRA, Wallace Senna, TELES, Harry Luiz, PAOLI, Mariza Zancaner, CASTRO, Hercílio de, CALBILKO, José Ubirajara Pereira, SILVA, João Machado da, DAHER, Maurício   +7 more
core