中国北方新增耕地的时空变化及驱动因素分区

王鸣雷,史文娇

Spatial-Temporal Changes of Newly Cultivated Land in Northern China and Its Zoning Based on Driving Factors

WANG MingLei,SHI WenJiao

表1 1980s以来中国北方新增耕地年变化面积（hm2）及年变化率（%）

Table 1 The annual change area (hm2) and rate (%) of new cultivated land in north China since the 1980s

省份 Province 1980s-1990s 1990s-2000s 2000s-2010s 年变化面积 Annual change area 年变化率 Annual change rate 年变化面积 Annual change area 年变化率 Annual change rate 年变化面积 Annual change area 年变化率 Annual change rate 黑龙江Heilongjiang 197680 2.23 39114 0.41 19859 0.08 吉林Jilin 54486 1.38 10699 0.27 9227 0.08 辽宁Liaoning 31046 0.90 4156 0.10 689 0.01 内蒙古Inner Mongolia 162775 3.28 44934 0.61 20169 0.14 山西Shanxi 4542 0.12 1055 0.02 769 0.01 陕西Shaanxi 7040 0.20 3065 0.10 5907 0.10 宁夏Ningxia 24747 3.11 5677 0.44 7205 0.32 甘肃Gansu 11392 0.33 15751 0.46 10680 0.15 青海Qinghai 3347 0.58 1696 0.25 271 0.02 新疆Xinjiang 114009 3.66 154587 4.52 210801 2.56 合计Sum 611065 1.68 280735 0.68 285578 0.64