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Sammanfattning

Leaf litter is a major source of carbon and energy for stream food webs, while both leaf-decomposing microorganisms and macroinvertebrate leaf shredders can be affected by fungicides. Despite the potential for season-long fungicide exposure for these organisms, however, such chronic exposures have not yet been considered. Using an artificial stream facility, effects of a chronic (lasting up to 8 wk) exposure to a mixture of 5 fungicides (sum concentration 20 mu g/L) on leaf-associated microorganisms and the key leaf shredder Gammarus fossarum were therefore assessed. While bacterial density and microorganism-mediated leaf decomposition remained unaltered, fungicide exposure reduced fungal biomass (

Nyckelord

Aquatic hyphomycetes; Chronic exposure; Gammarus fossarum; Leaf litter breakdown; Population development

Publicerad i

Environmental Toxicology and Chemistry
2017, volym: 36, nummer: 8, sidor: 2178-2189

SLU författare

Globala målen (SDG)

SDG2 Ingen hunger
SDG14 Hav och marina resurser

UKÄ forskningsämne

Miljövetenskap
Ekologi

Publikationens identifierare

  • DOI: https://doi.org/10.1002/etc.3756

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/86299