Results 11 to 20 of about 2,483 (153)

Importance and spatial patterns of invisible fisheries in Amazonian clear-water rivers as revealed by fisher knowledge and collaboration. [PDF]

Conserv Biol
The graphical abstract highlights the research collaboration with fishers through interviews to record fishers' knowledge and participatory monitoring, to provide data on small‐scale fisheries in three clear water rivers (Trombetas, Tapajos and Tocantins).
Silvano RAM, Vieira KC, Pereyra PER, Tomazoni-Silva LH, Alves IA, Bezerra JG, Dutra MCF, Keppeler FW, Nunes CB, Cunha CV, Hallwass G.   +10 more
europepmc   +2 more sources

Fisheries in a border area of the Moxos Lowlands (Bolivia) after invasion of Arapaima gigas

Aquaculture, Fish and Fisheries, Volume 3, Issue 2, Page 196-210, April 2023., 2023
We characterized fisheries in the area of the port city of Riberalta (upper Madeira River basin) and evaluated the contribution of an invasive species (Arapaima gigas) to the landings. A. gigas represented 57.6% of the overall economic value of fish in the region.
Gabriela Rico Lopez, Claudia Coca Méndez, Joachim Carolsfeld, Oriana Almeida, Paul Andre Van Damme   +4 more
wiley   +1 more source

Community-led assessment of risk from exposure to mercury by native Amerindian Wayana in Southeast Suriname. [PDF]

J Environ Public Health, 2012
This study was a collaboration between Western public health researchers and Suriname indigenous communities. The question asked was “how can Western researchers effectively engage traditional indigenous communities in Suriname, South America, in public health research”. The approach used a combination of Participatory Action Research methods in which “
Peplow D, Augustine S.
europepmc   +2 more sources

Aspectos da espermatogênese de tucunaré, Cichla ocellaris Schneider, 1801 (TELEOSTEI, CICHLIDAE). [PDF]

Acta Amazonica, 1986
São descritos os eventos citológicos sequenciais da espermatogênese de Cichla ocellaris (tucunaré) desde o espermatócito primário até o espermatozóide maduro.
Carminda da Cruz Landim, Maria Alice da Cruz Höfling   +1 more
doaj   +1 more source

Proteocephalid cestode infection in tucunaré Cichla sp. (Osteichthyes: Cichlidae) from Paraná River, São Paulo

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2011
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, K. Roumbedakis, N.G. Marengoni, H.K. Takahashi, F.D.A. Pimenta, C.M.R. Melo, M.L. Martins   +6 more
doaj   +1 more source

Carbon accumulation in Amazonian floodplain lakes: A significant component of Amazon budgets?

Limnology and Oceanography Letters, Volume 2, Issue 1, Page 29-35, February 2017., 2017
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, Kathryn H. Taffs, Debra J. Stokes, Christian J. Sanders, Joseph M. Smoak, Alex Enrich‐Prast, Paul A. Macklin, Isaac R. Santos, Humberto Marotta   +8 more
wiley   +1 more source

Global Dynamics of the Hastings‐Powell System

Mathematical Problems in Engineering, Volume 2013, Issue 1, 2013., 2013
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

Movement of Cichla species (Cichlidae) in a Venezuelan floodplain river

Neotropical Ichthyology
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, Craig A. Layman, D. Albrey Arrington, Kirk O. Winemiller   +3 more
doaj   +1 more source

DESCRIÇÃO DOS OTÓLITOS DE TUCUNARÉS (Cichla sp. e Cichla monoculus) NO RESERVATÓRIO DA HIDRELÉTRICA DE VOLTA GRANDE (SP–MG)

Ciência Animal Brasileira, 2007
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, Francisco Manoel de Souza Braga   +1 more
doaj   +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.
MARQUES, D. K. S., RESENDE, E. K. de
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