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Title: ECOTOXICOLOGICAL CHARACTERISTICS OF THE GROUND SAMPLES OBTAINED FROM URBAN GREEN ZONES SITUATED IN KAZAN (RUSSIA)
ECOTOXICOLOGICAL CHARACTERISTICS OF THE GROUND SAMPLES OBTAINED FROM URBAN GREEN ZONES SITUATED IN KAZAN (RUSSIA)

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A. Kamalova; A. Gordeev; P. Galitskaya; S. Selivanovskaya
10.5593/sgem2022/5.1/s20.018
10.5593/sgem2022/5.1
1314-2704
978-619-7603-46-0
English
22
5.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Ecology and Environmental Protection
Public gardens and park zones are an important and widely visited component of urban spaces worldwide, however they can be polluted and even dangerous for humans and animals visiting them. The simplest way to screen the level of pollution of those green zones is to assess their ecological toxicity.
In the present study, to assess the ecotoxicity of soil and ground samples obtained in 15 parks and public gardens in the city of Kazan (Russia) with 1 Mio citizens were investigated. Two elutriate assays with Ceriodaphnia affinis and Chlorella vulgaris and one contact assay with Bacillus pumilus were used in order to estimate the ecotoxicity of the samples.
It was revealed that B. pumilus was less sensitive to the components present in ground samples from the green zones. Thus, the lowest toxicity of the undiluted sample was estimated to be 3.33% (sample Gorkiy Central Park of Culture and Leisure) and the highest – 27% («Dubovyj kordon» public garden).
For C. affinis, we managed to assess the toxicity without dilution step for 7 samples out of 15. For the other 8 samples, the additional dilution series was prepared, and the LID10 index was calculated. Thus, the LID10 index these samples for C.affinis ranged from 34 to 40, for Chl. vulgaris varied from 13 to 50.
It should be noted that samples with the highest toxicity (revealed for at least one test object) were obtained from the parks that visually looked less clean and organized.
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The work is carried out in accordance with the Strategic Academic Leadership Program «Priority 2030» of the Kazan Federal University of the Government of the Russian Federation. We thank Kone Foundation (Finland) for funding the «LesRus» project that supported soil sampling and experimental planning. We thank Aki Sinkkonen for his consulting and support.
conference
https://doi.org/10.5593/sgem2022/5.1/s20.018
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Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 04 - 10 July, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
135-142
04 - 10 July, 2022
website
8682
ecotoxicity, public garden, Chlorella vulgaris, Bacillus pumilus, Ceriodaphnia affinis