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Supplemental Information

Table S1

Results of Elements of Metacommunity Structure analysis examining the best-fit idealised metacommunity structure for each group in each year. Results are given for the first two axes of reciprocal averaging ordination on the species by site matrices testing for coherence, species range turnover and boundary clumping in 15 sites along the Kinzig River, central Germany, sampled over three years. Abs = number of embedded absences, Re = number of replacements, MI = Morista’s Index, SD = standard deviation. Mean and SD values are those calculated from the 1000 generated null matrices.

DOI: 10.7287/peerj.preprints.1026v1/supp-1

Additional Information

Competing Interests

The authors declare they have no competing interests.

Author Contributions

Jonathan D Tonkin conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Stefan Stoll conceived and designed the experiments, reviewed drafts of the paper.

Sonja C Jähnig contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Peter Haase contributed reagents/materials/analysis tools, reviewed drafts of the paper.


The German Federal Ministry of Education and Research (BMBF) for “GLANCE” (Global change effects in river ecosystems; 01LN1320A) provided funding (SCJ). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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