Effects of polyaluminum chloride (PAX-18) on the relationship between predatory fungi and Lecane rotifers

Journal article

Abstract:: PAX-18 (polyaluminum chloride) is frequently used in WWTPs (wastewater treatment plants) to overcome sludge bulking. An alternative biological method is the usage of Lecane rotifers, which can be endangered by predacious fungi. We investigated the influence of different PAX-18 concentrations on the relationship between Lecane inermis and predacious fungi (Zoophagus and Lecophagus) differing in feeding mode. High PAX concentration (6 mg Al3+ L−1) strongly limited the number of the rotifers, which in low concentration (1.2 mg Al3+ L−1), after an initial decline, increased, but significantly slower than in control. Under the simultaneous influence of Lecophagus and PAX, rotifers were driven almost extinct at the high concentration, but survived at the lower concentration and increased in the control. When treated with Zoophagus, only one or two rotifers survived in treatments and control. High concentrations of PAX significantly restricted the growth of fungi, whereas in low concentrations and control conditions, their length increased, with Zoophagus growing much quicker than Lecophagus. Zoophagus was significantly more efficient in trapping rotifers regardless of PAX concentration. The trapping ability of mycelium following extended exposure to PAX was strongly limited at high concentrations, in comparison to control. Conidia of Zoophagus turned out to be considerably more resistant to PAX-18 and starvation than Lecophagus conidia.

Files:: Fialkowska_et_al_2022_Effects_of_polyaluminum_chloride--.pdf

(Preview, Version of record, pdf, 1.1MB, Terms of use)

supplementary_file.txt

(Supplementary materials, plain, 2.0KB, Terms of use)

Publisher:: Springer Nature
Journal:: Environmental Science and Pollution Research More from this journal
Volume:: 29
Issue:: 12
Pages:: 17671–17681
Publication date:: 2021-10-21
Acceptance date:: 2021-10-05
DOI:: 10.1007/s11356-021-16952-2
EISSN:: 1614-7499
ISSN:: 0944-1344

Language:: English
Keywords:: Lecophagus sp.

Zoophagus sp.

inorganic coagulants

FFR

fungi mycelium

wastewater treatment

conidia
Pubs id:: 1204471
Local pid:: pubs:1204471
Deposit date:: 2021-10-21
ARK identifier:: ark:/29072/ora_d2e8beb45b2343248799eba87be643a8

Copyright holder:: Fiałkowska et al.
Rights statement:: © 2021 The Author(s). Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

If you are the owner of this record, you can report an update to it here: Report update to this record