Toxicity of Ammonia Nitrogen to Ciliated Protozoa Stentor coeruleus and Coleps hirtus Isolated from Activated Sludge of Wastewater Treatment Plants

We assessed the toxicity of ammonia ions to Stentor coeruleus and Coleps hirtus (Protozoa) isolated from activated sludge taken from two municipal wastewater treatment plants in southern Poland. Stentor coeruleus is a rarely occurring species in activated sludge, unlike the widespread Coleps hirtus....

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Autores principales: Klimek, Beata, Fyda, Janusz, Pajdak-Stós, Agnieszka, Kocerba, Wioleta, Fiałkowska, Edyta, Sobczyk, Mateusz
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer-Verlag 2012
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3464382/
https://www.ncbi.nlm.nih.gov/pubmed/22976439
http://dx.doi.org/10.1007/s00128-012-0816-3
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author Klimek, Beata
Fyda, Janusz
Pajdak-Stós, Agnieszka
Kocerba, Wioleta
Fiałkowska, Edyta
Sobczyk, Mateusz
author_facet Klimek, Beata
Fyda, Janusz
Pajdak-Stós, Agnieszka
Kocerba, Wioleta
Fiałkowska, Edyta
Sobczyk, Mateusz
author_sort Klimek, Beata
collection PubMed
description We assessed the toxicity of ammonia ions to Stentor coeruleus and Coleps hirtus (Protozoa) isolated from activated sludge taken from two municipal wastewater treatment plants in southern Poland. Stentor coeruleus is a rarely occurring species in activated sludge, unlike the widespread Coleps hirtus. The mean LC50 values (concentration causing 50 % mortality) calculated for the 24 h tests differed hugely between the tested species: 43.03 mg NH(4+) dm(−3) for Stentor coeruleus and 441.12 mg NH(4+) dm(−3) for Coleps hirtus. The ammonia ion concentration apparently is an important factor in the occurrence of these protozoan species in activated sludge.
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spelling pubmed-34643822012-10-05 Toxicity of Ammonia Nitrogen to Ciliated Protozoa Stentor coeruleus and Coleps hirtus Isolated from Activated Sludge of Wastewater Treatment Plants Klimek, Beata Fyda, Janusz Pajdak-Stós, Agnieszka Kocerba, Wioleta Fiałkowska, Edyta Sobczyk, Mateusz Bull Environ Contam Toxicol Article We assessed the toxicity of ammonia ions to Stentor coeruleus and Coleps hirtus (Protozoa) isolated from activated sludge taken from two municipal wastewater treatment plants in southern Poland. Stentor coeruleus is a rarely occurring species in activated sludge, unlike the widespread Coleps hirtus. The mean LC50 values (concentration causing 50 % mortality) calculated for the 24 h tests differed hugely between the tested species: 43.03 mg NH(4+) dm(−3) for Stentor coeruleus and 441.12 mg NH(4+) dm(−3) for Coleps hirtus. The ammonia ion concentration apparently is an important factor in the occurrence of these protozoan species in activated sludge. Springer-Verlag 2012-09-14 2012 /pmc/articles/PMC3464382/ /pubmed/22976439 http://dx.doi.org/10.1007/s00128-012-0816-3 Text en © The Author(s) 2012 https://creativecommons.org/licenses/by/4.0/ This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.
spellingShingle Article
Klimek, Beata
Fyda, Janusz
Pajdak-Stós, Agnieszka
Kocerba, Wioleta
Fiałkowska, Edyta
Sobczyk, Mateusz
Toxicity of Ammonia Nitrogen to Ciliated Protozoa Stentor coeruleus and Coleps hirtus Isolated from Activated Sludge of Wastewater Treatment Plants
title Toxicity of Ammonia Nitrogen to Ciliated Protozoa Stentor coeruleus and Coleps hirtus Isolated from Activated Sludge of Wastewater Treatment Plants
title_full Toxicity of Ammonia Nitrogen to Ciliated Protozoa Stentor coeruleus and Coleps hirtus Isolated from Activated Sludge of Wastewater Treatment Plants
title_fullStr Toxicity of Ammonia Nitrogen to Ciliated Protozoa Stentor coeruleus and Coleps hirtus Isolated from Activated Sludge of Wastewater Treatment Plants
title_full_unstemmed Toxicity of Ammonia Nitrogen to Ciliated Protozoa Stentor coeruleus and Coleps hirtus Isolated from Activated Sludge of Wastewater Treatment Plants
title_short Toxicity of Ammonia Nitrogen to Ciliated Protozoa Stentor coeruleus and Coleps hirtus Isolated from Activated Sludge of Wastewater Treatment Plants
title_sort toxicity of ammonia nitrogen to ciliated protozoa stentor coeruleus and coleps hirtus isolated from activated sludge of wastewater treatment plants
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3464382/
https://www.ncbi.nlm.nih.gov/pubmed/22976439
http://dx.doi.org/10.1007/s00128-012-0816-3
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