<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Recognition of the deteriorating conditions of rivers worldwide has called for increased efforts to improve the ecological quality of impacted river systems. This is particularly important in areas that have suffered from a significant impact of human pressure on the ecological status of water. Field studies were conducted in the Ruda River in an area that had undergone anthropogenic disturbances. The objectives of our survey were to test the biological metrics based on benthic macroinvertebrates at four study sites. Spring and autumn surveys of benthic invertebrates indicated that based on the BMWP and BMWP(PL) indices, water quality was higher in comparison with the value of Multimetric index at all of the sites that were studied. Our results revealed that the water quality was higher at the study sites that are located above the dam reservoir based on both the chemical and biological parameters. This study also indicated that both spring and autumn constitute appropriate periods for carrying out monitoring studies. The values of multimeric index indicated the same water quality (except for site 1) in both sampling periods. Anthropogenic transformations of a riverbed influence the flora and fauna and affect the ecological status of rivers.</p></abstract>

Recognition of the deteriorating conditions of rivers worldwide has called for increased efforts to improve the ecological quality of impacted river systems. This is particularly important in areas that have suffered from a significant impact of human pressure on the ecological status of water. Field studies were conducted in the Ruda River in an area that had undergone anthropogenic disturbances. The objectives of our survey were to test the biological metrics based on benthic macroinvertebrates at four study sites. Spring and autumn surveys of benthic invertebrates indicated that based on the BMWP and BMWP(PL) indices, water quality was higher in comparison with the value of Multimetric index at all of the sites that were studied. Our results revealed that the water quality was higher at the study sites that are located above the dam reservoir based on both the chemical and biological parameters. This study also indicated that both spring and autumn constitute appropriate periods for carrying out monitoring studies. The values of multimeric index indicated the same water quality (except for site 1) in both sampling periods. Anthropogenic transformations of a riverbed influence the flora and fauna and affect the ecological status of rivers.

The Use of Biological Indices for the Assessment of the River Quality (Ruda River, Poland)

Ecological Chemistry and Engineering S

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Recognition of the deteriorating conditions of rivers worldwide has called for increased efforts to improve the ecological quality of impacted river systems....

The Use of Biological Indices for the Assessment of the River Quality (Ruda River, Poland)

Published Online: Jul 13, 2017

Page range: 285 - 298

DOI: https://doi.org/10.1515/eces-2017-0020

Keywords
macroinvertebrates, MMI, BMWP, ecological status of river, anthropopressure

© by Aneta Spyra

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The Use of Biological Indices for the Assessment of the River Quality (Ruda River, Poland)

Published Online: Jul 13, 2017

Page range: 285 - 298

DOI: https://doi.org/10.1515/eces-2017-0020

Keywordsmacroinvertebrates, MMI, BMWP, ecological status of river, anthropopressure

© by Aneta Spyra

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
macroinvertebrates, MMI, BMWP, ecological status of river, anthropopressure