Results 51 to 60 of about 493 (72)

Biomass and production of Cladocera in Furnas Reservoir, Minas Gerais, Brazil Biomassa e produção de Cladocera no Reservatório de Furnas, Minas Gerais, Brasil

open access: yesBrazilian Journal of Biology, 2010
Secondary production of zooplankton, the main energy pathway in many aquatic ecosystems, is crucial to an Understanding of functioning of these systems function.
RM Santos   +4 more
doaj   +1 more source

COMPOSICIÓN DE ZOOPLANCTON EN LA LAGUNA EL PINO, BARBERENA, SANTA ROSA

open access: yesAgua, Saneamiento & Ambiente, 2022
El presente artículo plantea la evaluación de la contaminación en la Laguna El Pino, Barberena, Santa Rosa, Guatemala, mediante la utilización del plancton animal como indicador y la relación con los factores ambientales determinantes para su desarrollo,
Mariela Yulissa Rodríguez García
doaj  

Influence of seston quantity and quality on growth of tropical cladocerans Influência da quantidade e qualidade do séston sobre o crescimento de cladóceros tropicais

open access: yesBrazilian Journal of Biology, 2005
The seston of the small, shallow, and tropical lake Monte Alegre was tested for quantity and quality for cladocerans by growth bioassays, which were carried out in spring (Daphnia gessneri and Moina micrura), summer (D. gessneri, M. micrura, Ceriodaphnia
A. S Ferão-Filho   +2 more
doaj   +1 more source

Contribución al conocimiento de los cladoceros argentinos

open access: yesActa Zoológica Lilloana, 1984
Iliocryptus verrucosus Daday 1905 se registra por primera vez en Argentina. Se describen e ilustran los ejemplares encontrados, solo dos hembras.
Alcira Villagra de Gamundi
doaj  

Comunidades zooplanctônicas em sistemas de criação de peixes

open access: yesBoletim do Instituto de Pesca, 2018
O objetivo desse estudo foi avaliar a riqueza, abundí­¢ncia e biomassa da comunidade zooplanctônica em sistemas de criação de peixes em diversos municí­­pios do Estado do Rio de Janeiro.
Bruna Roque LOUREIRO   +4 more
doaj  

Cladocerans from gut contents of fishes associated to macrophytes from Taquari River Basin, MS, Brazil Cladóceros do conteúdo estomacal de peixes associados a macrófitas da Bacia do Rio Taquari, MS, Brasil

open access: yesActa Limnologica Brasiliensia, 2012
AIM: The aim of this study was to identify the cladocerans species from the gut contents of fishes sampled in an oxbow lake from Taquari River Basin, MS, with the specific view of investigating the importance of these crustaceans in the fishes diets ...
Adriana Maria Güntzel   +4 more
doaj  

Ecología trófica del pejerrey (Odontesthes bonariensis) en la laguna del Venado y Alsina, dos ambientes del sistema encadenadas del oeste, Prov. de Buenos Aires

open access: yesBiología Acuática, 2014
El objetivo del presente estudio fue analizar la alimentación del pejerrey, Odontesthes bonariensis, en las lagunas del Venado y Alsina, que forman parte del sistema de lagunas encadenadas del oeste.
Marcelo Schwerdt, Andrea López Cazorla
doaj  

How many species of cladocerans (Crustacea, Branchiopoda) are found in Brazilian Federal District? Quantas espécies de cladóceros (Crustacea, Branchiopoda) são encontradas no Distrito Federal?

open access: yesActa Limnologica Brasiliensia, 2012
AIM: This study aimed provides a checklist of cladocerans and also an evaluation of richness and species composition in the Federal District, Brazil.
Francisco Diogo Rocha Sousa   +1 more
doaj  

Spatial variations in the zooplankton community from the Corumbá Reservoir, Goiás State, in distinct hydrological periods = Variações espaciais da comunidade zooplanctônica no reservatório de Corumbá (Estado de Goiás), em distintos períodos hidrológicos

open access: yesActa Scientiarum: Biological Sciences, 2009
This study evaluated the spatial variations in species richness and abundance of zooplankton over a hydrological cycle, and also verified the influence of physical and chemical water variables and chlorophyll-a concentrations on the abundance of these ...
Erica Mayumi Takahashi   +4 more
doaj  

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