Results 41 to 50 of about 609 (141)

Impacts of Hydroelectric Dams on Amazonian Fisheries: Assessing Functional Attributes in the Madeira River

River Research and Applications, Volume 41, Issue 7, Page 1493-1502, September 2025.
ABSTRACT The Madeira River is one of the main tributaries of the Amazon Basin, supporting over 1300 known fish species. Fisheries in this region play a critical role for riverine populations, serving as a primary source of income and sustenance. In 2011, the construction of the Jirau and Santo Antônio hydroelectric dams (HEDs) was completed along the ...
Ana Laura Monteiro de Souza, Rogério Fonseca, Rangel Eduardo Santos, Raniere Garcez Costa Sousa, Felipe Micali Nuvoloni, Isys Nathyally de Lima Silva, Karen Sayuri Takano, Fabrício Berton Zanchi   +7 more
wiley   +1 more source

Distribuição do tucunaré Cichla cf. monoculus (Osteichthyes, Cichlidae) no Pantanal. [PDF]

, 2019
A introdução de espécies em ecossistemas aquáticos tem sido documentada em todo o mundo, mas o impacto da presença destas nos novos ambientes ainda não é bem conhecido. O objetivo desta pesquisa foi determinar a área de distribuição do tucunaré Cichla cf.
RESENDE, E. K. de, MARQUES, D. K. S.
core   +1 more source

Ações de extensão Apoio técnico aos guias de pesca esportiva do médio Rio Negro, Barcelos - Amazonas

Caminho Aberto: Revista de Extensão do IFSC
A pesca esportiva é uma atividade que tem como objetivo a captura de peixe por diversão. No entanto, o peixe é exposto ao estresse da captura, e pode sofrer lesões físicas, devido ao manuseio incorreto, sendo necessário ações que contribuam para ...
Chiara Lubich, Daniel Olentino, André Sampaio, Flávia Siqueira-Souza   +3 more
doaj   +1 more source

Achieving conservation through cattle ranching: The case of the Brazilian Pantanal

Conservation Science and Practice, Volume 7, Issue 7, July 2025.
Cattle ranching in the Pantanal should be part of the conservation agenda and we show the pathways to it. Abstract Cattle ranching in the ~140,000 km2 Brazilian Pantanal is considered one of the most important cases of sustainable use of natural resources in the global south. The region has had a successful history of balancing environmental protection
Rafael Morais Chiaravalloti, Walfrido Morais Tomas, Tom Akre, Ronaldo Gonçalves Morato, Andre Restel Camilo, Anthony J. Giordano, Peter Leimgruber   +6 more
wiley   +1 more source

Feeding of introduced species of Cichla (Perciformes, Cichlidae) in Volta Grande reservoir, River Grande (MG/SP)

Brazilian Journal of Biology
Both species studied, Cichla cf. ocellaris and Cichla monoculus, fed mainly on fish, the first on Cichla spp., Plagioscion squamosissimus, and Tilapia rendalli, and the second, Cichla monoculus, on Cichla spp.
L. M. Gomiero, F. M. S. Braga
doaj   +1 more source

Eight basic principles for the elaboration of public policies and development projects for the Pantanal

Conservation Science and Practice, Volume 7, Issue 7, July 2025.
The Pantanal is facing the challenge of preparing public policies at federal and state levels, but there is the need of a conceptual basis to support this process. This article prepared a list of eight main principles to be considered by legislators and decision‐makers, aiming to ensure proper protection and management strategies provided by the public
Walfrido Moraes Tomas, Maria Helena Andrade, Christian Niel Berlinck, Fábio Bolzan, André Restel Camilo, Agostinho Carlos Catella, Rafael Morais Chiaravalloti, Catia Nunes da Cunha, Geraldo Alves Damasceno Junior, Adriana Maria Espinoza Fernando, Letícia Couto Garcia, Pierre Girard, Solange Kimie Ikeda‐Castrillon, Carolina Joana da Silva, Rudi Laps, Lucia Mateus, Ronaldo Gonçalves Morato, Guilherme Mourão, André Valle Nunes, Maxwell da Rosa Oliveira, Márcia Divina de Oliveira, Carlos Roberto Padovani, Jerry Penha, Miriam Lucia Lages Perilli, Danilo Bandini Ribeiro, Fabio de Oliveira Roque, Balbina Maria Araújo Soriano, Christine Strussmann, Cristina F. Tófoli, Fernando Rodrigo Tortato, Catia Urbanetz   +30 more
wiley   +1 more source

Crescimento e taxas de mortalidade do tucunaré Cichla temensis do reservatório de Balbina (Amazonas-Brasil)

, 2012
O represamento de rios causa um grande impacto na ictiofauna local, as águas a jusante se tornam mais pobres e as águas a montante mais ricas e transparentes, estes são características favoráveis a ecologia do tucunaré Cichla monoculus. A hidrelétrica de
Guilherme Martinez Freire
core   +2 more sources

Yield per recruit of the peacock bass Cichla monoculus (Spix and Agassiz, 1831) caught in Lago Grande at Manacapuru (Amazonas – Brazil)

Brazilian Journal of Biology
We evaluated the stock of peacock bass Cichla monoculus caught by a small-scale fishing fleet in Lago Grande at Manacapuru. The database was constructed by monthly samplings of 200 fish between February 2007 and January 2008. We measured the total length
CP Campos, CEC Freitas
doaj   +1 more source

Aquaculture in Peru: Situation, Challenges and Prospects

Aquaculture, Fish and Fisheries, Volume 5, Issue 3, June 2025.
ABSTRACT Aquaculture in Peru is a sector with significant growth and development in recent years. However, it faces multiple challenges to ensure its sustainability. This study aims to characterize the Peruvian aquaculture system by analysing the public, private and educational stakeholders involved, as well as the productive, commercial and ...
Euler Dolores‐Salinas, Lluís Miret‐Pastor   +1 more
wiley   +1 more source

Fishers' ecological knowledge points to fishing‐induced changes in the Peruvian Amazon

Ecological Applications, Volume 34, Issue 5, July 2024.
Abstract Scientists increasingly draw on fishers' ecological knowledge (FEK) to gain a better understanding of fish biology and ecology, and inform options for fisheries management. We report on a study of FEK among fishers along the Lower Ucayali River in Peru, a region of exceptional productivity and diversity, which is also a major supplier of fish ...
David Poissant, Oliver T. Coomes, Brian E. Robinson, Gladys Vargas Dávila   +3 more
wiley   +1 more source