Results 91 to 100 of about 5,116 (246)

Primeira ocorrência de Polyacanthorhynchus macrorhynchus (Acanthocephala: Polyacanthorhynchidae) em pirarucu Arapaima gigas cultivado no Brasil. [PDF]

open access: yes, 2011
Resumo ...
DIAS, M. T.   +5 more
core  

lessons learned from monitoring conservation agreements in the Colombian Amazon [PDF]

open access: yes, 2010
Many environmental issues can be attributed to misaligned distribution of the costs of conservation and the benefits of conservation. For instance, biodiversity represents value for the global community, but biodiversity protection imposes various ...
Mora, Margarita   +4 more
core   +1 more source

Local knowledge enhances the sustainability of interconnected fisheries

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
Our modelling approach allows managers to compare alternative conservation strategies under different socio‐ecological scenarios, highlighting trade‐offs and guiding investment of effort and resources. While immediately valuable for pirarucu management in the Middle Juruá, the framework scales across tiers of applicability, each requiring progressively
Carine Emer   +4 more
wiley   +1 more source

Helmintos parasitos do pirarucu, Arapaima gigas (Schinz, 1822) (Osteoglossiformes: Arapaimidae), no rio Araguaia, estado de Mato Grosso, Brasil Helminth parasites of pirarucu, Arapaima gigas (Schinz, 1822) (Osteoglossiformes: Arapaimidae) from Araguaia River, State of Mato Grosso, Brazil

open access: yesRevista Brasileira de Parasitologia Veterinária, 2008
Foram examinados 65 exemplares de pirarucu em agosto de 2004, provenientes do rio Araguaia, Estado de Mato Grosso, Brasil para o estudo dos seus helmintos parasitos. Cinco espécies foram registradas parasitando Arapaima gigas: Dawestrema cycloancistrium (
Sonia M. C. dos Santos   +2 more
doaj   +1 more source

Estudo das propriedades funcionais das hemoglobinas de Osteoglossum bicirrhosum e Arapaima gigas [PDF]

open access: yesActa Amazonica, 1978
Resumo Têm sido estudados os efeitos de pH e fosfatos orgânicos no equilíbrio e propriedades cinéticas na união de ligantes das hemoglobinas de dois peixes relacionados à Amazônia, Osteoglossum bicirrhosum de respiração branquial obrigatória e Arapaima ...
Maria Isabel Galdames Portus   +7 more
doaj   +1 more source

Concentração letal (CL50) do óleo essencial de mentha piperita (lamiaceae) em pirarucus arapaima gigas. [PDF]

open access: yes, 2017
Na piscicultura, diversos produtos fitoterápicos vêm sendo usados no tratamento das parasitoses, principalmente causadas por helmintos. Mentha piperita, planta usada na medicina popular para tratar nauseas, vômitos, indigestão, desordens estomacais ...
MALHEIROS, D. F., TAVARES-DIAS, M.
core  

Strengthening local organisations and biodiversity-based value chains in the Andean Amazon: Leveraging the climate negotiations [PDF]

open access: yes, 2014
In the Andean Amazon, forest communities use biodiversity without depleting natural resources and promote it within local organisations and value chains.
Mikkolainen, Pétra, Pasquis, Richard
core   +1 more source

Spread of Amazonian Freshwater Fishes Beyond Their Native Ranges

open access: yesFish and Fisheries, Volume 27, Issue 1, Page 56-67, January 2026.
ABSTRACT The spread and establishment of Amazonian species outside their native ranges through activities such as sport fishing, aquaculture, and the ornamental fish industry may lead to ecological changes in recipient ecosystems. We investigated the global distribution of Amazonian freshwater fish (AFF) and conducted a case study in the upper Paraná ...
Aymar Orlandi Neto   +8 more
wiley   +1 more source

Natural history and conservation of pirarucu, Àrapaima gigas', at the Amazonian Várzea : red giants in muddy waters [PDF]

open access: yes, 2012
The pirarucu, Arapaima gigas (Osteoglossidae, Teleostei), an important natural resource in the Amazonian flooded forest, has been exploited for centuries and is now threatened by overfishing.
Queiroz, Helder Lima de
core  

Assessing the population structure of Plagioscion squamosissimus (Teleostei, Perciformes, Sciaenidae) from the São Francisco River, Bahia, Brazil, using body morphology and otolith shape signatures

open access: yesJournal of Fish Biology, Volume 108, Issue 1, Page 69-85, January 2026.
Abstract The south American silver croaker, Plagioscion squamosissimus, holds significant importance for the artisanal fisheries in the sub‐middle and lower courses of the São Francisco River, located in northeastern Brazil. To investigate the population structure of this species along its longitudinal profile, a total of 150 individuals (50 fish per ...
F. L. Freitas   +4 more
wiley   +1 more source

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