Influence of vegetation restoration on topsoil organic carbon in a small catchment of the loess hilly region, China.

PLoS One · 2014 · PMC4057082 · PMID 24926873

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highly significantno p-value reported

(2011), the drying trend of the Loess Plateau was highly significant, and annual rainfall showed an obvious decreasing trend over the past five decades (1956–2008) by approximately −1.4 mm/a [57] .

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an increasing trendno p-value reported

The results showed that with increasing elevation, SOCD had an increasing trend ( Figure 4 ).

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