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Zoo-heleoplankton structure in three artificial ponds of North-eastern Argentina
(Revista de Biología Tropical, 2007-04)
The aim of the present study was to compare the abundance and species richness of zoo-heleoplankton bigger than 53 ìm in an annual cycle under similar climate conditions in three artificial ponds, in order to observe the ...
Microbiology quality in continuous water flow fish ponds
(Universidade Estadual de Londrina (UEL), 2011-01-01)
The study verified sanitary aspects in fish ponds with sequential disposal and the effect of the tanks effluent in parallel in the system. Six fish ponds were studied in the dry and the rainy periods and were analyzed ...
Temporal variation in the water quality of ponds and effluent of grow-out ponds of Amazon River prawn Macrobrachium amazonicum
(2012-12-01)
This study was conducted in the Crustacean Sector of the Aquaculture Center (CAUNESP) at the São Paulo State University, Jaboticabal (21°15'22S and 48°18'48W) São Paulo, Brazil, from December 2003 to May 2004. The aim was ...
Algal community analysis in a waste stabilisation pond
(ELSEVIER, 2018)
Influence of the environmental heterogeneity of breeding ponds on anuran assemblages from southeastern Brazil
(Natl Research Council Canada-n R C Research Press, 2009-08-01)
We hypothesized that the environmental heterogeneity of breeding ponds influences the species composition and species richness of anuran assemblages from southeastern Brazil, because it provides humidity, shelter, and ...
Tolerance to high temperatures in tadpoles of Leptodactylus fuscus and Hyla fuscovaria in temporary ponds (Amphibia, Leptodactylidae, Hylidae)
(1991-12-01)
In temporary ponds tadpoles of the frogs Leptodactylus fuscus and Hyla fuscovaria may be exposed to temperatures up to 40-44°C. Experimental exposure to high temperature revealed survivals after 30 min at 42°C for H. ...
Late Pleistocene and Holocene paleoenvironments in ponds and alluvial sediments of Upper Paraná River, Brazil
(2013-01-01)
Freshwater sponge spicules were analyzed as a paleoenvironmental proxy indicator in five cores of ponds and alluvial fan sediments in the Upper Paraná River's left bank, near Querência do Norte town, northwestern of State ...
Effect of fertilization in water quality and in zooplankton community in open plankton-culture ponds
(Universidade Federal de Uberlândia (UFU), 2009-01-01)
The effect of swine manure fertilization on the water quality of zooplankton artificial culture in two ponds was measured in diel cycles on different months (October 1999, January and March 2000). Fertilization affected ...
Use of a duckweed pond for the domestic wastewater polishing in Ilha Solteira, SP, Brazil
(2017-01-01)
Purpose: The purpose of this paper is to evaluate the efficiency of a duckweed pond in the polishing of a stabilization pond effluent, as well as quantify its biomass production. Once an adequate destination is given to ...