Built-up land showed an increasing trend during the study period, with an increase of 36.66 × 10 6 ha, which was primarily generated by the conversion of cropland (0.94 %) to built-up land.
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Global patterns and changes of carbon emissions from land use during 1992-2015.
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The sentences
The forest area showed a decreasing trend, with a reduction of 30.18 × 10 6 ha throughout the study period.