Detailed Information on Publication Record
2005
Laboratory testing of persistent organic pollutants toxicity on soil microbial biomass - application limits, drawbacks and benefits
ČERNOHLÁVKOVÁ, Jitka and Jakub HOFMANBasic information
Original name
Laboratory testing of persistent organic pollutants toxicity on soil microbial biomass - application limits, drawbacks and benefits
Name in Czech
Laboratorní testování toxicity perzistentních organických polutantů na půdních mikroorganismech - výhody a limity
Authors
ČERNOHLÁVKOVÁ, Jitka (203 Czech Republic) and Jakub HOFMAN (203 Czech Republic, guarantor)
Edition
Book of Abstracts of ECOTOX 2005, 2005
Other information
Language
English
Type of outcome
Konferenční abstrakt
Field of Study
10511 Environmental sciences
Country of publisher
Czech Republic
Confidentiality degree
není předmětem státního či obchodního tajemství
RIV identification code
RIV/00216224:14310/05:00013150
Organization unit
Faculty of Science
ISBN
80-210-3799-7
Keywords in English
microbial biomass; laboratory test; persistent organic pollutants
Tags
International impact
Změněno: 24/2/2010 22:01, prof. RNDr. Jakub Hofman, Ph.D.
V originále
Soil toxicity test with indigenous microflora is based on laboratory incubation of well defined natural soil which was spiked with tested chemical at the beginning of the test. Changes in microbial biomass, its respiration and nitrogen mineralization are recorded as effect endpoints. This method is well standardized under OECD, US EPA and SETAC guidelines for testing chemicals and pesticides. In our study, selected persistent organic pollutants were tested to identify the applicability of the tests for POPs effects routine testing. Selected POPs were: toxaphene (pesticide), short chain chlorinated paraffin (industrial chemical), and four aza-PAHs (industrial by-product). Microbial biomas Cbio, basal respiration (BR), substrate induced respiration (SIR), and BIOLOG functional diversity were measured as endpoints after 2 weeks and 4 weeks of exposure. The most sensitive parameter was substrate induced respiration. Several principal problems were found for FE method for measuring microbial biomass Cbio due to high carbon amount in POPs. Despite all these practical disadvantages, microbial biomass parameters are crucial ecosystem indicators and their information value requires to be considered during POPs ecotoxicity evaluation.
In Czech
viz angl.
Links
| GP525/04/P159, research and development project |
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| MSM0021622412, plan (intention) |
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