Can cyanobacterial biomass applied to soil affect survival and reproduction of springtail Folsomia candida?

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Authors

LÁNA Jan BLÁHA Luděk HOFMAN Jakub

Year of publication 2011
Type Article in Periodical
Magazine / Source Ecotoxicology and Environmental Safety
MU Faculty or unit

Faculty of Science

Citation
Doi http://dx.doi.org/10.1016/j.ecoenv.2010.11.003
Field Environment influence on health
Keywords Arthropods; Microcystins; Cyanobacteria; Folsomia candida; Water bloom; Irrigation; Soil
Description Biomass of cyanobacterial water blooms including cyanobacterial toxins may enter soils, for example, when harvested water bloom is directly applied as an organic fertilizer or when water with massive cyanobacterial biomass is used for irrigation. In spite of this, no information is available about the potential effects on soil arthropods. The objective of this pilot study was to evaluate the effects of water bloom biomass sampled in five different fresh water lakes on the soil dwelling arthropod, springtail Folsomia candida (Collembola). These samples contained different dominant species of cyanobacteria and varied significantly in microcystin content (21-3662 mu g/g dw biomass). No adverse effects on survival or reproduction were observed for any tested sample at concentration up to 4 g dw biomass/kg dw soil. Despite the known hazardous properties of water blooms in aquatic ecosystems, our pilot results suggest that cyanobacterial biomass might have no significant impact on arthropods in soil. It remains a question, if this is due to low bioavailability of cyanobacterial toxins in soil.
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