Spatial variations and controls of carbon use efficiency in China's terrestrial ecosystems.

Sci Rep · 2019 · PMC6925132 · PMID 31862964

Europe PMC DOI

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a decreasing trendno p-value reported

Driven by enhanced temperature and precipitation, the CUE was reported to vary with a decreasing trend in the eastern USA and globally 16 – 18 .

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an increasing trendno p-value reported

However, we found a decreasing trend in CUE with the soil clay percentage and an increasing trend with the soil pH value.

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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.