The impact of air pollution control measures and the COVID-19 pandemic on photosynthesis in urban trees.

Sci Rep · 2025 · PMC11718257 · PMID 39789047

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a decreasing trendno p-value reported

Atmospheric NO 2 varied significantly among the study sites and years (Table S2 ), and a decreasing trend of NO 2 with year was clear (Fig. 2 a).

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