Effects of Seven Fungicides on Non-Target Aquatic Fungi

Aquatic risk assessments for fungicides are carried out without information on their toxicity to non-target aquatic fungi. This might cause an underestimation of the toxic effects to the aquatic fungal community. This study focuses on the question whether recently derived concentrations limits for f...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 2011-11, Vol.222 (1-4), p.421-425
Main Authors: Dijksterhuis, Jan, van Doorn, Tineke, Samson, Rob, Postma, Jaap
Format: Article
Language:English
Subjects:
Antimicrobial agents
Applied sciences
aquatic communities
Aquatic fungi
Atmospheric Protection/Air Quality Control/Air Pollution
Biodiversity
Climate Change/Climate Change Impacts
Earth and Environmental Science
Environment
Environmental monitoring
Epoxiconazole
Exact sciences and technology
Fungi
Fungicides
Hydrogeology
Invertebrates
mechanism of action
Netherlands
Oomycetes
Pesticides
Pollution
Population studies
Risk assessment
Soil Science & Conservation
Studies
Surface water
Tebuconazole
Toxicity
toxicity testing
Triazoles
trophic relationships
vertebrates
Water pollution
Water Quality/Water Pollution
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Summary:Aquatic risk assessments for fungicides are carried out without information on their toxicity to non-target aquatic fungi. This might cause an underestimation of the toxic effects to the aquatic fungal community. This study focuses on the question whether recently derived concentrations limits for fungicides considered to protect populations of primary producers and (in)vertebrates also do protect the aquatic fungi. A panel of fungal species and Oomycetes was isolated and identified from unpolluted surface waters in the Netherlands. Toxicity tests were used to determine effects of seven fungicides with different modes of actions. For the triazoles epoxiconazole and tebuconazole, the chronic lowest observable effect concentration was lower than the regulatory acceptable concentration based on acute HC5 values.
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-011-0836-3