The methods and characteristics of the fourth forest resource inventory in Guangdong Province are introduced, and the results and data changes are analyzed. Compared with the third survey data, forest coverage in Guangdong Province increased by 3.09 percentage point, the forest stock increased by 187.275 million cubic meters, and the forest area increased by 734,900 hectares. The area of forestry land decreased by 370,900 hectares as a result of the increase in accuracy and reduction of recalculated area. The data also indicates that the major data of forest resources in Guangdong Province have changed greatly, and the quality of forests has improved, but the overall quality is still low with forest stock of 60.57 m3 /hm2 , and there is still large potential for improvement in forest quality.
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