Rising atmospheric CO<sub>2</sub> outweighs elevated vapor pressure deficit in explaining increased intrinsic water use efficiency in Chinese pine.

Front Plant Sci · 2026 · PMC13079614 · PMID 41993740

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a decreasing trendno p-value reported

3 Result 3.1 Temporal trends in environmental factors A significant increasing trend in atmospheric CO 2 and a decreasing trend in stable carbon isotopic values of air were observed during 1980–2015.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.

Rising atmospheric CO&lt;sub&gt;2&lt;/sub&gt; outweighs elevated vapor pressure deficit in explaining increased intrinsic water use efficiency in Chinese pine.

The sentences

Rising atmospheric CO<sub>2</sub> outweighs elevated vapor pressure deficit in explaining increased intrinsic water use efficiency in Chinese pine.