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Stein, H.* ; Kellermann, C.S. ; Schmidt, S.I.* ; Brielmann, H. ; Steube, C. ; Berkhoff, S.E.* ; Fuchs, A.* ; Hahn, H.J.* ; Thulin, B.* ; Griebler, C.

The potential use of fauna and bacteria as ecological indicators for the assessment of groundwater quality.

J. Environ. Monit. 12, 242-254 (2010)

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The use of ecological criteria for the assessment of aquatic ecosystem status is routine for surface waters. So far no ecological parameters are considered for the assessment and monitoring of groundwater quality. It has been well known for decades that aquifers are ecosystems harbouring a vast diversity of invertebrates and microorganisms. The growing knowledge on groundwater microbial and faunal communities as well as the molecular and statistical tools available form a solid ground for the development of first ecologically sound assessment schemes. The sensitivity of groundwater communities towards impacts from land use and surface waters is exemplarily demonstrated by a data set of two geologically similar but hydrologically partially separated aquifer systems. Subgroups of the fauna in groundwater (stygobites vs. stygophiles and stygoxenes) successfully indicated elevated nitrate impacts linked to land use activities. Within the microbial communities, impacts from land use are mirrored by high bacterial biodiversity values atypical for pristine groundwater of comparable systems. The data show that there is legitimate hope for the application of ecological criteria for groundwater quality assessment in the future.

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Publication type Article: Journal article

Document type Scientific Article

Corresponding Author

Keywords Nonparametric multivariate-analysis; Distribution patterns; microbial communities; Phreatic aquifer; Biodiversity; Water; Invertebrates; Assemblages; Egosystems; Diversity

ISSN (print) / ISBN 1464-0325

e-ISSN 1464-0333

Journal Journal of Environmental Monitoring

Quellenangaben Volume: 12, Issue: 1, Pages: 242-254

Publisher Royal Society of Chemistry (RSC)

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Institute of Groundwater Ecology (IGOE)