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The assessment of running water quality has a long tradition in the Czech Republic, but in the past it focused on the evaluation of organic pollution using the saprobic system. Considering the modern trends of stream ecological status evaluation in water management a new assessment system named PERLA was developed. The system is a complex of biological(More)
The ARROW (www.cba.muni.cz/arrow/eng-Assessment and Reference Reports of Water monitoring) project is the project of implementation of EU Water Framework Directive in the monitoring of surface waters of the Czech Republic and covers all aspects of this problem from data sampling to informatics solution (focusing on the ecostat). The project is based on long(More)
Monitoring of water organisms communities become a standard approach in surface water monitoring and the analytic approach is commonly based on comparison with reference sites. There are several problems with this analysis including selection of appropriate methods with respect to nature of the data. We tested two different " non-parametric " methods for(More)
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