alexa Ecotox - Monitoring of Pollution and Toxic Substances i
ISSN: 2347-7830

Research & Reviews: Journal of Ecology and Environmental Sciences
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Research Article

Ecotox - Monitoring of Pollution and Toxic Substances in Aquatic Ecosystems

Donat-P Häder1*and Gilmar S Erzinger2

1Emeritus from Friedrich-Alexander University, Department of Biology, Neue Str. 9, 91096 Möhrendorf, Germany

2Department of Medicine and Pharmacy, University of Joinville Region – UNIVILLE, Rua Paulo Malschitzki, 10 Campus - Industrial Zone, PO Box 246, Joinville, SC CEP 89219-710, Brazil,

*Corresponding Author:
Donat-P Häder
Emeritus from Friedrich-Alexander University
Department of Biology, Neue Str. 9
91096 Möhrendorf, Germany
Email: [email protected]

Received: 04/05/2015 Accepted: 11/06/2015 Published: 20/06/2015



Worldwide rapidly increasing pollution from industrial, municipal and agricultural origin is a major threat to natural aquatic habitats, water reservoirs for recreational purposes and drinking water supplies. The multitude of organic and inorganic toxins cannot possibly be monitored by exhaustive chemical analysis. As a consequence a number of bioassays have been developed over the recent past to monitor aqueous ecosystems analyzing the biochemical and behavioral responses of organisms as early warning instruments to detect potential toxicants in the water. Photosynthetic motile flagellates (Euglena gracilis) have being used in the new generation Ecotox instrument by which 13 physiological and anatomical parameters are being evaluated as end points including motility, swimming velocity, gravitactic orientation as well as cell form and size. The instrument operates on line evaluating movement vectors of large numbers of organisms in video sequences in real time to warrant high statistical significance.

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