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Supplemental Information

Relative vegetation cover formula

DOI: 10.7287/peerj.preprints.315v1/supp-2

PRISMA 2009 Checklist for systematic reviews

DOI: 10.7287/peerj.preprints.315v1/supp-3

Study level details for studies not included in the meta-analysis

A methodological overview of articles not included in the meta-analysis, but which used a comparator or control in their experimental design.

DOI: 10.7287/peerj.preprints.315v1/supp-4

Enhanced forest plot of main effect sizes

Trial identifiers, trampling intensities and Cohen’s d effect sizes (with 95% confidence intervals) are provided in this forest plot for closer inspection.

DOI: 10.7287/peerj.preprints.315v1/supp-5

Studies either not using a comparator or control, or which could not be accessed.

Lists of studies not using a comparator or control, and of those studies which could not be retrieved within the resource constraints of the project.

DOI: 10.7287/peerj.preprints.315v1/supp-6

Additional Information

Competing Interests

Gavin Stewart is an Academic Editor for PeerJ; he is a keen fellrunner and therefore has an active interest in issues pertaining to access and human vegetation trampling impacts.

Author Contributions

Oliver L. Pescott conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Gavin Stewart conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Funding

This work was performed without funding. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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