Molecular characterization of Serrasalmidae hybrid in the upper Paraná River floodplain using molecular markers. [PDF]
J Fish BiolAbstract This study reports the molecular identification of a tambacu—a hybrid of Colossoma macropomum and Piaractus mesopotamicus—in the floodplain of the upper Paraná River using molecular markers. The PCR‐GEL method, based on the analysis of COI and TROP fragments, successfully characterized the hybrid, while PCR‐SEQ, employing RAG2 and TROP markers,
Ramos LI +4 more
europepmc +2 more sources
The Role of Habitat, Climate, and Space in the Species and Traits Variation of Phytoplankton in Large Cascade Reservoirs. [PDF]
Ecol EvolPhytoplankton beta diversity along cascade reservoirs of the Tocantins River is shaped by reservoir age, spatial arrangement, and environmental conditions. Younger, distant reservoirs show higher diversity, while intermediate ones tend toward homogenization. Environmental and spatial drivers differentially influence taxonomic and functional composition.
da Silva IG, Dunck B.
europepmc +2 more sources
Anthropogenic Barriers Limit Fish Access to Essential Habitats in the Amazon in the Face of Climate Change. [PDF]
Glob Chang BiolRivers across the Amazon Basin are increasingly threatened by climate change and dam construction, which restrict fish movements. We combined climate projections with river‐network connectivity analyses to identify where suitable habitats for frugivorous and socioeconomically important fish are likely to persist and where access may be lost due to ...
Yofukuji KY +11 more
europepmc +2 more sources
Contribution of Amino Acids in Cereal Grain Products to Precision Feed Formulation for Tambaqui (Colossoma macropomum) Using a Digestibility Approach. [PDF]
J Anim Physiol Anim Nutr (Berl)ABSTRACT Although cereal grain products have low protein content, they can contribute up to 25% of total protein in low‐trophic level/omnivorous fish diets. Thus, understanding the amino acid contribution of these ingredients becomes crucial for meeting the dietary requirements of omnivorous fish.
Proença DC +4 more
europepmc +2 more sources
Dietary Phosphorus Requirement for Tambaqui, Colossoma macropomum, in the Grow-Out Phase. [PDF]
J Anim Physiol Anim Nutr (Berl)ABSTRACT Phosphorus is essential for fish growth as it is crucial in skeletal development and metabolic reactions. The dietary requirement for this mineral varies among fish species and growth stages. Therefore, the objective of this study was to determine the available phosphorus (AP) requirement for tambaqui during the grow‐out phase (± 400 to 1000 g)
Menezes LLC +5 more
europepmc +2 more sources
A new species of Characidium (Characiformes: Crenuchidae) from the Iguaçu National Park, Rio Iguaçu basin, Paraná, Brazil. [PDF]
J Fish BiolAbstract A new species of Characidium is described from the Iguaçu National Park, Brazil. The new species can be diagnosed from the congeners by the absence of conspicuous vertical bars, blotches and spots along the sides of the body, the presence of a scaled isthmus and adipose fin, a series of scales below lateral line and the presence of a thin dark
Stabile BHM +3 more
europepmc +2 more sources
Uso da biorremediação na aquicultura
, 2018 A aquicultura, assim como outras atividades agropecuárias, pode ser poluidora do ambiente, por meio da degradação da qualidade da água dos corpos receptores. Porém, a introdução de métodos de tratamento e reuso da água nas atividades produtivas reduz em até 90% os nutrientes e o material em suspensão na descarga final.
Vieira, Danielle Machado +3 more
openaire +2 more sources
Establishing new grid-size-dependent attributes to rank areas of endemism for conservation priorities. [PDF]
CladisticsAbstract Delineating Areas of Endemism (AEs) is crucial for identifying priority areas for biodiversity conservation in a spatial planning framework. Endemicity Analysis in the NDM/VNDM software is one of the primary methodologies for its delineation.
Frota A, da Graça WJ.
europepmc +2 more sources
Muxama and other traditional food products obtained from tuna in south Portugal and Spain: review and future perspectives [PDF]
, 2020 There is evidence that consumers perceive fish as healthy (Carlucci D et.al, Appetite 84:212–27,2015; Vanhonacker F et.al, Br Food J 115:508–25,2013; Verbeke W et.al, Public Health Nutr 8:422–9,2005.).
Aníbal, J., Esteves, Eduardo
core
A spatial perspective of bioeconomy in the Brazilian Amazon
Informe GepecThis study investigates the distribution and diversity of activities related to bioeconomy in the Brazilian Amazon, leveraging concepts from spatial analysis such as rural-urban integration, agglomeration economies, and local-global knowledge ...
Thiago José Arruda de Oliveira +3 more
doaj +1 more source