Multiple mining impacts induce widespread changes in ecosystem dynamics in a boreal lake.

Sci Rep · 2017 · PMC5585241 · PMID 28874843

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an increasing trendno p-value reported

Mine derived S, Ni and Zn exhibit an increasing trend beginning at around 1.25–1.5 cm, which can be used to strengthen the age-depth model and to pinpoint the approximate depth of the beginning of the mining activities (2008).

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