Foliar stable isotope ratios of carbon and nitrogen in boreal forest plants exposed to long-term pollution from the nickel-copper smelter at Monchegorsk, Russia.

Environ Sci Pollut Res Int · 2022 · PMC9252950 · PMID 35199271

Europe PMC DOI

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closest p · 2.0× alpha

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The sentences

an increasing trendp ≤ 0.1so close (0.05 < p ≤ 0.1)

In the present study, we only observed an increasing trend ( p ≤ 0.1) in the needle N concentrations of P. sylvestris towards the smelter, while a significant increase was found in P. sylvestris and Picea abies needles in an earlier study (Manninen et al. 2015 ).

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approached significanceno p-value reported

myrtillus ( r = −0.79, n = 10 sites, p = 0.007) and approached significance in Carex sp.

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