Small-scale variability of benthic macroinvertebrates distribution and its effects on biological monitoring

Alex Laini, Alessio Vorti, Rossano Bolpagni and Pierluigi Viaroli

The precision of a macroinvertebrate multimetric index (MMI) was assessed by means of resampling methods.

MMI was highly affected by the heterogeneous distribution of taxa, especially with respect to abundance-based metrics.

The doubling of the sampling effort does not increase the precision of the MMI

Ann. Limnol. - Int. J. Lim., 50 3 (2014) 211-216
Published online: 21 August 2014
DOI: 10.1051/limn/20140001

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