Avoidance behaviour of Enchytraeus albidus induced by carbendazim in relation to exposure time and ageing of soil contamination

KOBETIČOVÁ, Klára, Jakub HOFMAN and Ivan HOLOUBEK. Avoidance behaviour of Enchytraeus albidus induced by carbendazim in relation to exposure time and ageing of soil contamination. In SETAC Europe 18th Annual Meeting, 25-29 May 2008, Warshaw, Poland. In : Abstract Book, s. 201. 2008.

Basic information

• Original name: Avoidance behaviour of Enchytraeus albidus induced by carbendazim in relation to exposure time and ageing of soil contamination
• Name in Czech: Únikové chování E. albidus vlivem karbendazimu ve vztahu k expoziční době a stárnutí kontaminace
• Authors: KOBETIČOVÁ, Klára (203 Czech Republic), Jakub HOFMAN (203 Czech Republic, guarantor) and Ivan HOLOUBEK (203 Czech Republic).
• Edition: SETAC Europe 18th Annual Meeting, 25-29 May 2008, Warshaw, Poland. In : Abstract Book, s. 201, 2008.

Other information

• Original language: English
• Type of outcome: Conference abstract
• Field of Study: 10511 Environmental sciences
• Country of publisher: Czech Republic
• Confidentiality degree: is not subject to a state or trade secret
• RIV identification code: RIV/00216224:14310/08:00026279
• Organization unit: Faculty of Science
• Keywords in English: avoidance test; enchytraeids; carbendazim; ageing
• Tags: ageing, Avoidance test, Carbendazim, enchytraeids
• Tags: International impact

Abstract

The reproduction test with enchytraeids was standardized for testing of chemicals as well as for soil quality assessment. As a supplement for this test, the screening avoidance test has been developed recently but its design is still discussed. In our study, the toxicity of pesticide carbendazim to species Enchytraeus albidus was studied in LUFA 2.2 soil using the avoidance test with the aim to clarify the test design, the minimal test duration, and the changes in contaminant bioavailability due to ageing. Firstly, the hypothetical presumption that the same number of individuals occurs at each side of the control test vessel was statistically confirmed in a test with clear soil. After that, the concentration causing 50% avoid reaction (EC50) and the minimal time to reach this value was determined. In the next test, the LUFA 2.2 soil was spiked by that EC50 concentration and it was let to age for 1, 14, and 28 days before the test start. The results indicated that enchytraeids preferred older contamination where carbendazim was probably less bioavailable. Our results support the applicability of enchytraeid avoidance test for testing a bioavailability of contaminants.

Abstract (in Czech)

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Links

• MSM0021622412, plan (intention): Name: Interakce mezi chemickými látkami, prostředím a biologickými systémy a jejich důsledky na globální, regionální a lokální úrovni (INCHEMBIOL) (Acronym: INCHEMBIOL)

Investor: Ministry of Education, Youth and Sports of the CR, Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)