| Issue |
BIO Web Conf.
Volume 118, 2024
III International Scientific and Practical Conference “Concept of Sustainable Development: Agriculture and Environment” (TAEE-III-2024)
|
|
|---|---|---|
| Article Number | 02002 | |
| Number of page(s) | 5 | |
| Section | Ecology and Conservation of Biological Diversity | |
| DOI | https://doi.org/10.1051/bioconf/202411802002 | |
| Published online | 12 July 2024 | |
The impact of fish farming on the Tarasmozero Lake ecosystem, Onega Lake basin
Institute of Biology KarRC RAS, Petrozavodsk, 185910, Russia
* Corresponding author: ilmast@mail.ru
The Tarasmozero Lake ecosystem (Onega Lake basin), affected by fish farming was assessed prior to and after the construction of a rainbow trout farm. Lake Tarasmozero receives waste water from the farm. The results of our studies show that when the farm began operating, phosphorus and nitrogen concentrations in the water have increased, affecting aquatic organisms and their environment. It was shown that phytoplankton is now dominated by diatoms, zooplankton species, characteristic of eutrophic water bodies, have appeared, and amphipods now make up the bulk of zoobenthos’ biomass. This evidence indicates that Lake Tarasmozero gradually passes from an oligotrophic type to a mesotrophic type.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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