Drought characteristics and their impact on vegetation net primary productivity in the climate-sensitive transition zones of North China.

PLoS One · 2026 · PMC12935246 · PMID 41739873

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an increasing trendno p-value reported

Dry and wet changes and drought identification Fig 2a shows that the mean value of temperature in the study area during 2001–2020 was 10.74°C, with an increasing trend (0.02°C/a), reaching a peak of 11.26°C in 2019 and a low value of 10.03°C in 2012.

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an overall trendno p-value reported

The study area exhibits a slight decrease in the area affected by drought at both the annual and seasonal scales (except for winter), indicating an overall trend of slight drought alleviation.

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