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A simple approach to water and plankton sampling for water microbiological and physicochemical characterizations at various depths in aquatic ecosystems

Published online by Cambridge University Press:  22 December 2010

Fatthy Mohamed Morsy
Fatthy Mohamed Morsy*
Affiliation:
Botany Department, Faculty of Science, Assiut University, Assiut, Egypt
*
*Corresponding author: fmorsy@aun.edu.eg
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Abstract

Water microbiological and physicochemical characterizations at various depths of aquatic ecosystems are basic requirements in several fields of research. A chief difficulty in hydrobiology, limnology, biological oceanography and water environmental microbiology is that of taking accurate field collections that are representative of the natural environment and population at various depths of aquatic ecosystems. Gathering water/plankton samples in a level just below the surface of the water body upon rising in columns from various depths due to hydrostatic pressure variations provided a simple approach for water and plankton sampling. Based on this approach, several forms of simple devices for water and plankton sampling were developed for water microbiological and physicochemical characterizations at various depths of aquatic ecosystems. The described approach showed less sampling errors in comparison to Van Dorn bottle and was comparable to water pumping but requires no external source of power. The described samplers are inexpensive and can be self constructed.

Keywords

Algaaquatic ecosystemcyanobacteriumphytoplanktonriversamplerwater
Type
Research Article
Information
Annales de Limnologie - International Journal of Limnology , Volume 47 , Issue 1 , 2011 , pp. 65 - 71
Copyright
© EDP Sciences, 2010

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