Ecosystem functioning in urban grasslands: The role of biodiversity, plant invasions and urbanization.

PLoS One · 2019 · PMC6874358 · PMID 31756202

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an increasing trendno p-value reported

Even though the relative importance of different urban parameters for different levels varied, all predictors were associated to an increasing trend in Δδ 15 N, that is, they favored a more open N cycle.

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