Journal
LAND
Volume 11, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/land11122236
Keywords
increased cultivated land; cultivated land transformation; land consolidation; Qinba Mountain
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Land consolidation plays an important role in increasing cultivated land area, improving agricultural productivity, increasing farmers' income, and promoting rural development in the mountainous areas of China. The study found that the increased cultivated land through land consolidation is mainly terrace, especially in the Hanzhong Basin Area and Qinba Mountainous Area. The transformation rate of terrace cultivation is relatively low.
Land consolidation (LC) in China is an important means by which we can increase the quantity and improve the quality of cultivated land. At present, large areas of cultivated land are abandoned in mountainous areas. It is unclear whether the increased cultivated land from LC in mountainous areas is sustainably used. Data from 64 land consolidation zones completed in 2016 in the Qinba Mountain Area were collected. The land-use status was obtained from high-resolution remote sensing images by the method of visual interpretation, and land-use changes were analyzed. According to our results, the increased cultivated land by LC is mainly terrace, accounting for 92.22% of the total area of increased cultivated land. The increased cultivated land is mainly distributed in the Qinba Mountainous Area, and terrace is the main type of increased cultivated land in both the Hanzhong Basin Area and Qinba Mountainous Area. The transformation rate of cultivated land from LC, especially terrace, is small. The transformation rates of terrace in the Hanzhong Basin Area and Qinba Mountainous Area are 0.36% and 0.09%, respectively. The socioeconomic development in mountainous areas is relatively lagging, and the per capita cultivated land area is small. Many farmers are still engaged in agricultural production and earn a basic income. Thus, high-quality cultivated land with convenient transportation is sustainably used. LC remains a key avenue for increasing cultivated land area, improving agricultural productivity, increasing farmers' incomes, and promoting rural development in the mountainous areas.
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