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. 2018 Jul 10;(6):e27427. doi: 10.3897/BDJ.6.e27427

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Megan Booysen, Derek Sikes, Matthew Bowser, Robin Andrews

This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Figure 3. — Elevation versus earthworm presence, grouped into bins spanning 50 m elevation. R² = 0.8333, slope is not significantly different from zero (p = 0.087). Data are a combination of UAM records contributed by citizens and our standardised sampling data.