Results 31 to 40 of about 476 (148)

How to Fish With Respect: A Transformation of Human‐Fish Relations in Riverside Amazonia

open access: yesAmerican Anthropologist, Volume 128, Issue 1, Page 63-72, March 2026.
ABSTRACT Riverside inhabitants of the Middle Xingu River Basin, in the Brazilian Amazonia, frequently say that it is important to respect animals and the forest spirits who protect them. In recent decades, however, the development of an iced fish industry in the region has changed what respect means and how it is expressed when it comes to fishing ...
Vinicius de Aguiar Furuie
wiley   +1 more source

Prevalência, sazonalidade e intensidade de infecção por Diplostomum (Austrodiplostomum) compactum Lutz, 1928 (Digenea, Diplostomidae), em peixes do reservatório de Volta Grande, Estado de Minas Gerais, Brasil

open access: yesActa Scientiarum: Biological Sciences, 2008
O presente trabalho foi desenvolvido na Estação de Piscicultura da Companhia Energética de Minas Gerais, no reservatório de Volta Grande, Estado de Minas Gerais, Brasil.
Maurício Laterça Martins   +5 more
doaj   +1 more source

PRODUÇÃO PESQUEIRA EM PORTO VELHO, RONDÔNIA (1984-89) - ALGUNS ASPECTOS ECOLÓGICOS DAS ESPÉCIES COMERCIALMENTE RELEVANTES. [PDF]

open access: yesActa Amazonica, 1992
Foi realizado o levantamento do pescado comercializado em Porto Velho no período 1984-89, capturado na área de influência doe garimpos de ouro no rio Madeira, entre Guajará-Mirim (Rondônia) e Humaitá (Amazonas). A produção pesqueira é discutida de acordo
Ana Amélia P. Boischio
doaj   +1 more source

Amazonian fish migration as a social–cultural–ecological process

open access: yesPeople and Nature, Volume 7, Issue 12, Page 3297-3312, December 2025.
Abstract In this study, we highlight the rich perspectives and explanations of fish migration held by Indigenous groups across the Amazon. We present the aspects of Indigenous cosmological stories, drawing from our exploratory review of cultural ethnographies and grey literature, as well as the authors' own experiences. We ask, how do Amazonian peoples
LuLu Victoria‐Lacy   +6 more
wiley   +1 more source

Estrutura da população e biologia reprodutiva de Cichla vazzoleri (Perciformes: Cichlidae): subsídios para o ordenamento da pesca no entorno da REBIO Uatumã, Amazonas, Brasil

open access: yesBiodiversidade Brasileira
Cichla vazzoleri é uma das espécies de tucunaré com grande importância econômica no reservatório de Balbina (UHE Balbina, no rio Uatumã, entorno da REBIO Uatumã, estado do Amazonas), pois é alvo da pesca comercial e recreativa.
Cesar Augusto Chirosa Horie   +3 more
doaj   +1 more source

Influência da biomassa inicial sobre o crescimento e a produtividade de peixes em sistema de policultivo Effects of initial biomass on fish growth and fishery productivity in polyculture systems

open access: yesCiência e Agrotecnologia, 2006
Analisou-se o crescimento dos peixes, a composição das espécies e a produtividade de quatro policultivos (P75, P78, P87 e P207), visando melhorar o manejo e a produtividade pesqueira dos pequenos açudes (0,1-5,0ha) do Semi-Árido brasileiro. Simulou-se as
Zélia Maria Pimentel Nunes   +2 more
doaj   +1 more source

Seasonal Forest Resources Support Fish Biomass in Floodplain Lakes of an Amazonian Tributary

open access: yesFreshwater Biology, Volume 70, Issue 11, November 2025.
ABSTRACT The Flood Pulse Concept is a foundational ecological theory that emphasizes the critical role of lateral connectivity between a river channel and its floodplain. Many tropical rivers inundate the surrounding floodplain in the flood stage, thereby receiving large amounts of terrestrial organic matter that can be decomposed by microbes and ...
Timothy D. Jardine   +7 more
wiley   +1 more source

Seasonal variations in total fatty acid composition of muscles and eye sockets of tucunaré (Cichla sp.) from the Brazilian Amazon area

open access: yes, 2020
Seasonal variations in total fatty acid compositions of tucunaré, Cichla sp. in the Janauacá Lake of the Amazon basin were determined by GC. Saturated fatty acids (SFAs) were found to be at higher concentrations than monounsaturated fatty acids (MUFAs ...
Franco, M.R.B.   +2 more
core   +1 more source

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

open access: yesRiver 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   +7 more
wiley   +1 more source

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

open access: yesConservation 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   +6 more
wiley   +1 more source

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