Results 11 to 20 of about 141 (110)
O estudo consiste em avaliar os níveis de mercúrio no pescado consumido pela comunidade indígena de Sai Cinza (Reserva Munduruku) no Estado do Pará, e associá-los com os hábitos de consumo da população.
Edilson da Silva Brabo +4 more
doaj +1 more source
:Cichla ocellaris is native to the Amazon region. It is popularly known as tucunaré and is widely used for human consumption. It is difficult to breed in captivity due to its highly predatory habits, it is considered symbolic of sport fishing in Brazil ...
FELIPE F. JANUÁRIO +3 more
doaj +1 more source
Aspectos da espermatogênese de tucunaré, Cichla ocellaris Schneider, 1801 (TELEOSTEI, CICHLIDAE). [PDF]
São descritos os eventos citológicos sequenciais da espermatogênese de Cichla ocellaris (tucunaré) desde o espermatócito primário até o espermatozóide maduro.
Carminda da Cruz Landim +1 more
doaj +1 more source
Movement of Cichla species (Cichlidae) in a Venezuelan floodplain river
In their native habitats of black- and clear-water Neotropical rivers, large predatory cichlids of the genus Cichla are an important food and recreational resource.
David J. Hoeinghaus +3 more
doaj +1 more source
The occurrence of proteocephalid cestodes in tucunaré Cichla sp., captured monthly, between August 2000 and August 2001, in Paraná River, Presidente Epitácio, SP, was evaluated.
R.S. Santos +6 more
doaj +1 more source
Carbon accumulation in Amazonian floodplain lakes: A significant component of Amazon budgets?
Abstract The Amazon floodplains cover approximately 10% of the Amazon Basin and are composed of predominantly anoxic sediments that may store large amounts of carbon. Our study combines 210Pb derived sedimentation rates from four recently analyzed sediment cores (n = 4) with previously published organic carbon (OC) burial estimates (n = 18) to provide ...
Luciana M. Sanders +8 more
wiley +1 more source
Global Dynamics of the Hastings‐Powell System
This paper studies the problem of bounding a domain that contains all compact invariant sets of the Hastings‐Powell system. The results were obtained using the first‐order extremum conditions and the iterative theorem to a biologically meaningful model.
Luis N. Coria, Sebastian Anita
wiley +1 more source
Objetivou-se, neste trabalho, caracterizar as sagittae de Cichla sp. e Cichla monoculus introduzidas no reservatório da Hidrelétrica de Volta Grande, assim como as relações de seu comprimento e largura com os comprimentos totais dos peixes.
Leandro Muller Gomiero +1 more
doaj +1 more source
Panama Canal expansion and shifts in fishing practices: A social‐ecological network approach
Abstract Species introductions have spiked over the past two centuries due to globalization. These introductions impact ecosystems, but may also have long‐term implications for human communities. In one of the world's hubs for global shipping, the Panama Canal, a recent canal expansion has coincided with an increase in marine fishes entering the ...
Michelle Hübel +10 more
wiley +1 more source
Exploring ecohydrology through the lens of local fishers in the Bolivian Amazon
Abstract The natural flow regimes of Andean‐Amazon tributaries play a vital role in sustaining their rich biodiversity and productive local fisheries, but ongoing and proposed alteration of river flow regimes by large dams threatens to negatively impact river ecosystems. Despite its importance, our understanding of how hydrologic variability influences
Lina G. Terrazas‐Villarroel +4 more
wiley +1 more source

