Results 31 to 40 of about 430 (136)

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

Uso do microcrustáceo branchoneta (Dendrocephalus brasiliensis) na ração para tucunaré

open access: yesRevista Brasileira de Saúde e Produção Animal, 2005
O tucunaré (Cichla ocellaris) é um peixe amazônico ictiófago, que tem grande valor comercial. Essa espécie normalmente não aceita alimentos secos. Esse experimento foi conduzido com o objetivo de avaliar o uso da branchoneta (Dendrocephalus brasiliensis),
E. P. Socorro   +4 more
doaj  

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

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

open access: yesConservation 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   +30 more
wiley   +1 more source

Aquaculture in Peru: Situation, Challenges and Prospects

open access: yesAquaculture, 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   +1 more
wiley   +1 more source

Spar genetic analysis of two invasive species of Cichla (Tucunaré) (Perciformes: Cichlidae) in the Paraná river basin.

open access: yes, 2011
The introduction of exotic species in lake ecosystems has been greatly highlighted in the literature worldwide. Since introduction may threaten diversity of native fish, the issue turns up to be of paramount importance.
Giovanna Caputo Almeida-Ferreira   +3 more
semanticscholar   +1 more source

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

open access: yesEcological 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   +3 more
wiley   +1 more source

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

open access: yesCaminho 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   +3 more
doaj   +1 more source

Proximal and mineral composition of native fish species from Amazonas, Brazil

open access: yesActa Scientiarum: Animal Sciences, 2023
For decades, researches were developed about the diversity of fishes in the Amazon basin and their consumption by the people. In this context, an important gap identified was a lack of information about the nutritional composition of some of the main ...
Antônio Fábio Lopes de Souza   +4 more
doaj   +1 more source

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