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Fig. 1


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Map showing the location of sampling sites - Legend. S1, site S1 (44.5368° lat. N, 22.5403° long. E); S2, site S2 (44.1018° lat. N, 22.1548° long. E); S3, site S3 (44.1512° lat. N, 22.1238° long. E); S4, site S4 (44.1466° lat. N, 22.1229° long. E); S5, site S5 (44.4593° lat. N, 22.1385° long. E).

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