Rotifera


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Related to Rotifera: Annelida
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Noun1.Rotifera - a phylum including: rotifersRotifera - a phylum including: rotifers  
animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals
rotifer - minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton
phylum - (biology) the major taxonomic group of animals and plants; contains classes
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3]) Cladocera (2) 0,53 [+ o -] 0,77 -0,2433 0,1536 Copepoda Adulto (2) 4,01 [+ o -] 3,29 0,3177 -0,6640 Copepoda Nauplio (2) 2,10 [+ o -] 2,41 -0,9810 -0,1604 Rotifera (1) 3,00 [+ o -] 3,06 -0,2613 0,0959 r ([rho]) (3) - 0,7488 0,5137 Significancia ([alfa]) - 0,0041 0,5451 [ji al cuadrado] - 40,68 11,88 (1) x [+ o -] DS.
auratus included 12 species belonging to five groups: 3 species of Insecta, 5 species of Crustacea, 1 Arachnida, 1 Rotifera and 2 species of Mollusca (Table 2).
The zooplankton community, in freshwater environments, is mainly represented by Rotifera, Cladocera and Copepoda; these organisms play an important role in the energy flow and nutrient cycling in these environments (PAYNE, 1986).
The fluctuation of zooplankton in Kalribaghar feeder showed the availability of 8 species of rotifera of which Brachionus calyciflorus
Considering richness, Rotifera was the most representative group, containing 55 taxa, followed by Cladocera (11 taxa), and Copepoda (9 taxa).
La determinacion taxonomica se realizo usando las siguientes claves taxonomicas: Rotifera (Koste 1978, Koste & Shield 1987, Shield & Koste 1992, 1993, Segers 1995, Fernando 2002), Cladocera (Paggi 1995, Alonso 1996, El Moor-Loureiro 1997, Elias et al.
The following taxonomic keys were used in zooplankton identification: Rotifera (Koste 1978, Segers 1993, Segers, et al.
Typical zooplankton assemblage of reservoirs is commonly constituted by Protozoa, Rotifera, Copepoda and Cladocera (Rocha et al.
For example, Reyes-Bustamante (1999), studying the goldfish (Carassius auratus), fighting fish (Betta splendens) and gourami (Trichogaster trichopterus), showed that juvenile fish raised on live rotifera (Brachionus plicatilis) and the cladoceran (Daphnia magna) yielded better growth than those fed with two different formulations of commercial dry fish food.