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Fig. 7


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a: results of canonical correspondence analysis of impact of selected factors on leech assemblages; b: results of distance-based RDA analysis of impact of selected factors on leech assemblages (Alt – altitude; N – latitude (Northward); E – longitude (Eastward); N/M – human impact: natural or artificially modified springs; TOS – type of spring; ROC – rock; SAN – sand; MOS – moss).

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