Results 111 to 120 of about 1,560 (195)

Potencial pesqueiro de Macrobrachium amazonicum na Amazonia central (Ilha do Careiro) : variaçao da abundancai e do comprimento [PDF]

open access: yes, 1993
Abundance and body size variations of the prawn #Macrobranchium amazonicum$ (Heller, 1862) have been studied in a Central Amazonian floodplain lake, on Careiro Island.
Moreira, L.C., Odinetz Collart, Olga
core  

Temporal distribution of ichthyoplankton in the Ivinhema River (Mato Grosso do Sul State/ Brazil): influence of environmental variables

open access: yesNeotropical Ichthyology, 2011
Information on ichthyoplankton is an important tool in determining reproduction periods that - if associated to environmental variables - allows for inferences about the factors that regulate their intensity, beginning, and ending.
David Augusto Reynalte-Tataje   +4 more
doaj  

Spatiotemporal dynamics of larvae and juveniles of two species of interest for fisheries in Itaipu: A big neotropical reservoir

open access: yesBoletim do Instituto de Pesca
The corvina (Plagioscion squamosissimus) and the mapará (Hypophthalmus oremaculatus) are two of the most explored fish species in the Itaipu reservoir region. However, information on the ecology and dynamics of their initial advances remains scarce.
Paulo Vanderlei Sanches   +4 more
doaj   +1 more source

Manejo e relação de fatores ambientais com caracterí­­sticas reprodutivas da pescada-branca cultivada em tanques-rede

open access: yesBoletim do Instituto de Pesca, 2018
No primeiro estudo do cultivo de Plagioscion squamosissimus em tanque-rede foram avaliadas diferentes estruturas de cultivo, como também o perí­­odo reprodutivo, fecundidade e dimorfismo sexual.
Alfredo BORIE   +2 more
doaj  

Broad but restricted detection of malacosporeans in a Neotropical cradle of diversification. [PDF]

open access: yesParasitology, 2021
Naldoni J   +4 more
europepmc   +1 more source

Zonation longitudinale des peuplements ichtyques avant mise en eau de la retenue de Petit-Saut (Guyane française) [PDF]

open access: yes, 1994
La composition et la structure des peuplements ichthyques du fleuve Sinnamary en Guyane française sont étudiées en fonction des grands types d'unités morphologiques (biefs, petits affluents, rapides) et de leur position dans le gradient amont-aval. Cette
Lauzanne, Laurent, Tito de Morais, Luis
core  

Anisakis sp. larvae in Plagioscion squamosissimus (Heckel, 1840) from the Curralinho municipality, Marajó Island, Pará, Brazil

open access: yesArchives of Veterinary Science
Abstract: Several reports from Brazil indicate the presence of fish parasitized by nematodes with zoonotic potential, notably those within the Anisakidae family. This research investigates the morphology, morphometry, and prevalence of Anisakis larvae parasitizing fish being sold in the municipality of Curralinho, in the Brazilian state of Pará. Twenty
Simone Salazar de Carvalho   +4 more
openaire   +1 more source

Analysis of Mercury Grouping in Soil in the Foz of the Tapajós River, Amazonia-Brazil [PDF]

open access: yes, 2018
The region of Santarém, in the state of Pará, was chosen to carry out this research because it is at the center of discussions of mercury contamination in the Amazon. The objective of this paper is the analysis of Hg and Methyl-Hg speciation in soil. The
Correa, D. L. (Denison)   +3 more
core  

DNA barcode reveals occurrence of threatened species and hidden diversity on Teleost fish trade in the Coastal Amazon. [PDF]

open access: yesSci Rep, 2023
Santana P   +10 more
europepmc   +1 more source

Risk Assessment of Mercury-Contaminated Fish Consumption in the Brazilian Amazon: An Ecological Study. [PDF]

open access: yesToxics, 2023
Basta PC   +7 more
europepmc   +1 more source

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