Results 71 to 80 of about 6,479 (253)

Unprotected Waters: When Protection Fails In Freshwater

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 3, March 2026.
ABSTRACT Invasive species are a major driver of biodiversity loss in protected areas (PAs), yet their impacts in aquatic environments are less well documented. This study investigated the occurrence and distribution of nonnative freshwater fish in federal PAs in Brazil.
Aymar Orlandi Neto, Éder André Gubiani, Igor Paiva Ramos   +2 more
wiley   +1 more source

Disentangling the Components Shaping Aquatic Richness Over Spatial Scales in Extreme Climatic Events

Freshwater Biology, Volume 71, Issue 3, March 2026.
ABSTRACT Species richness in a region can be partitioned into three components: (1) spatial aggregation of individuals, (2) variation in total individual density and (3) species abundance distribution (SAD). However, it remains unclear how the influence of these components on richness changes under extreme climatic events.
Laura A. Ortega‐Corredor, Alfonso Pineda, Claudia Costa Bonecker, Angelo Antonio Agostinho, Luzia Cleide Rodrigues   +4 more
wiley   +1 more source

Ofício do Diretor Brasileiro da ITAIPU ao deputado Luiz Carlos Martins

, 1992
No início e no final está o código de referência do ofício: E/GB/CT/0022/96. O ofício indica dois documentos que são enviados em anexos: o Ofício 032/94 de 07 de abril de 1994 e a Carta E/DGB/CT/0250/94 de 14 de junho de 1994, porém eles não se ...
SCALCO, Euclides
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The Negotiation of Itaipu’s Annex C in the Paraguayan Press: Notes from the Year 2021 [PDF]

Ambiente & Sociedade
This paper aims to analyze the news content published in the Paraguayan press regarding the negotiations of Annex C of the Treaty of Itaipu. Annex C deals with the financial aspects of the binational hydroelectric plant managed by Brazil and Paraguay ...
Luis Paulo Batista da Silva, Julia Cerqueira Lyra, Gabriel Carvalho dos Santos   +2 more
doaj   +1 more source

Revision of Manettia (Rubiaceae) in Paraguay

Nordic Journal of Botany, Volume 2026, Issue 2, February 2026.
Manettia Mutis is a Neotropical genus comprising over 100 species, many of which are only known from their original descriptions or, at most, from revisions dating back over 100 years. Recent review studies have remained unpublished for several years. Conventional taxonomic methods are followed.
Silvana Yasmin Gauto, Ana Maria Gonzalez, Roberto Manuel Salas   +2 more
wiley   +1 more source

Reparação da Minuta de Convênio FUNAI/ITAIPU

, 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
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Itaipu na política externa brasileira dos governos Lula-Lugo

Revista Conjuntura Austral
Em 2023, a renegociação do Anexo C do Tratado de Itaipu (1973) colocou as relações entre Brasil e o Paraguai em relevo na agenda política regional.
Tomaz Espósito Neto
doaj   +5 more sources

Landscape Genomics and Evolutionary History of Megamelus scutellaris, a Biocontrol Agent of the Invasive Water Hyacinth (Pontederia crassipes)

Evolutionary Applications, Volume 19, Issue 2, February 2026.
ABSTRACT Understanding the evolutionary history of biological control agents in their native ranges is crucial for improving their selection, establishment, and performance across environmentally diverse regions. Phytophagous insects that specialize on aquatic plants offer particularly valuable models, as their evolutionary trajectories may be shaped ...
Nicolas A. Salinas, Daniel Poveda‐Martínez, Marcela S. Rodriguero, Melissa C. Smith, María E. Brentassi, Alejandro J. Sosa   +5 more
wiley   +1 more source

INTERINSTITUTIONAL COOPERATION: RESULTS INDICATORS OF INTERACTIONS OF VISITING RESEARCHERS IN HIGHER EDUCATION AND RESEARCH INSTITUTIONS

Redes, 2014
This paper aims to define a proposition for a characterization of indicators applicable to evaluate joint research results. In order to do that, literature on interinstitutional cooperation, exchange programs and indicators was assessed, and its ...
Fabricio Baron Mussi, Blasius Silvano Debald   +1 more
doaj   +1 more source

ITAIPU BINACIONAL - ÁREA - INVASÃO;

, 1995
O documento trata da solicitação da Itaipu à FUNAI para a retirada de sessenta indígenas que ocuparam uma área pertencente a Usina, integrante do Refúgio Biológico Bela Vista, considerada de preservação permanente e sujeita a restrições de uso e proteção
GOMIDE, Francisco Luiz Sibut
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