Analysis of the Spatial-Temporal Pattern of the Newly Increased Cultivated Land and Its Vulnerability in Northeast China
文献类型：期刊论文
| 作者 | Du, Guoming; Wang, Xiaoyang; Wang, Jieyong3; Liu, Yaqun3; Zhang, Haonan1,3 |
| 刊名 | LAND
 |
| 出版日期 | 2023-04-01 |
| 卷号 | 12期号:4页码:796 |
| 关键词 | newly increased cultivated land spatial-temporal pattern cultivated land vulnerability food security |
| DOI | 10.3390/land12040796 |
| 文献子类 | Article |
| 英文摘要 | Ensuring compliance with China's 1.8 billion mu (120 million hectares) cultivated land preservation policy is a fundamental goal of land policy. Northeast China has experienced significant cultivated land expansion due to rigorous compensation policies over the past two decades, resulting in sustainable increases in grain output. This research employs remote sensing data to examine the spatial-temporal pattern and vulnerability of newly increased cultivated land expansion in Northeast China and its potential impact on food security. Results indicate a 3.08% increase in newly increased cultivated land from 2000 to 2020, with the majority located in the Sanjiang Plain's humid area and Inner Mongolia's arid and semi-arid regions. The low quality of newly added cultivated land makes it highly vulnerable. Temperature instability significantly and negatively correlates with cultivated land expansion. The vulnerability of cultivated land is negatively and significantly related to grain yield, suggesting an adverse impact on national food security. This study focuses on the marginal impact of newly increased cultivated land and proposes policy recommendations. |
| WOS关键词 | ECO-ENVIRONMENTAL VULNERABILITY ; FOOD CROP PRODUCTION ; SECURITY ; IMPACT ; AREA ; PRODUCTIVITY ; MANAGEMENT ; POLICIES ; FORCES ; SYSTEM |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS记录号 | WOS:000978887400001 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/200847]  |
| 专题 | 区域可持续发展分析与模拟院重点实验室_外文论文 |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Northeast Agr Univ, Sch Publ Adm & Law, Harbin 150030, Peoples R China |
| 推荐引用方式 GB/T 7714 | Du, Guoming,Wang, Xiaoyang,Wang, Jieyong,et al. Analysis of the Spatial-Temporal Pattern of the Newly Increased Cultivated Land and Its Vulnerability in Northeast China[J]. LAND,2023,12(4):796. |
| APA | Du, Guoming,Wang, Xiaoyang,Wang, Jieyong,Liu, Yaqun,&Zhang, Haonan.(2023).Analysis of the Spatial-Temporal Pattern of the Newly Increased Cultivated Land and Its Vulnerability in Northeast China.LAND,12(4),796. |
| MLA | Du, Guoming,et al."Analysis of the Spatial-Temporal Pattern of the Newly Increased Cultivated Land and Its Vulnerability in Northeast China".LAND 12.4(2023):796. |
入库方式： OAI收割
来源：地理科学与资源研究所
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