<abstract xmlns="http://www.w3.org/1999/xhtml">
<p>In this study, we report the findings regarding the toxicity of surface waters collected in March 2023 from five sampling stations in the Zaghen restoration area, located within the Danube Delta Biosphere Reserve, Romania. The assessment of acute toxicity was conducted using two microbiotests: the Thamnotoxkit F and the Daphtoxkit F<sup>TM</sup> magna. Even if the acute toxicity effects are less than 50% and do not allow the calculation of a toxicity score for the water samples, the experiments show a different vulnerability of the two zooplanktonic species to the presence of heavy metals in the water with mortality being higher in <italic>Thamnocephalus platyurus</italic> (20%) than in <italic>Daphnia magna</italic> (15%).</p>
</abstract>

In this study, we report the findings regarding the toxicity of surface waters collected in March 2023 from five sampling stations in the Zaghen restoration area, located within the Danube Delta Biosphere Reserve, Romania. The assessment of acute toxicity was conducted using two microbiotests: the Thamnotoxkit F and the Daphtoxkit FTM magna. Even if the acute toxicity effects are less than 50% and do not allow the calculation of a toxicity score for the water samples, the experiments show a different vulnerability of the two zooplanktonic species to the presence of heavy metals in the water with mortality being higher in Thamnocephalus platyurus (20%) than in Daphnia magna (15%).

Toxicity Screening of Surface Waters in Zaghen Restoration Area with Toxkit Microbiotests

Danube Delta National Institute for Research and Development, Department of Laboratories and Research Stations

Transylvanian Review of Systematical and Ecological Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In this study, we report the findings regarding the toxicity of surface waters collected in March 2023 from five sampling stations in the Zaghen restoration...

Toxicity Screening of Surface Waters in Zaghen Restoration Area with Toxkit Microbiotests

Published Online: Mar 23, 2024

Page range: 13 - 22

DOI: https://doi.org/10.2478/trser-2023-0017

Keywords
Danube Delta Biosphere Reserve, heavy metals, bioassays, Toxkit microbiotests, zooplankton communities,

© 2023 Iasemin Suliman et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Toxicity Screening of Surface Waters in Zaghen Restoration Area with Toxkit Microbiotests

Published Online: Mar 23, 2024

Page range: 13 - 22

DOI: https://doi.org/10.2478/trser-2023-0017

KeywordsDanube Delta Biosphere Reserve, heavy metals, bioassays, Toxkit microbiotests, zooplankton communities,

© 2023 Iasemin Suliman et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Danube Delta Biosphere Reserve, heavy metals, bioassays, Toxkit microbiotests, zooplankton communities,