中国历史土地覆被变化重建研究进展
魏学琼1, 叶瑜1,2,*, 崔玉娟1, 李蓓蓓3, 袁存1, 方修琦1

Review of China’s Historical Land Cover Change Reconstructions
Wei Xueqiong1, Ye Yu1,2, Cui Yujuan1, Li Beibei3, Yuan Cun1, Fang Xiuqi1
图2 中国已有面向全球变化土地覆被重建研究的区域 a. 东北过去300年CNEC数据集,据文献[32,33],东北过去300年林地覆盖率和网格化数据,据文献[51,52],19世纪末黑龙江省耕地覆被,据文献[53];b. 20世纪中国北方农牧交错带东段县级垦殖率数据,据文献[55];c. 热察绥地区过去300年县级土地覆被数据,据文献[54];d. 清代关中地区县级垦殖率数据,据文献[58];e. 明代以来河南省县级耕地数据,据文献[59];f. 苏皖地区1500—1937年县级耕地数据,据文献[60];g. 黄土高原近300年来县级垦殖率数据,据文献[57];h. 青藏高原东北部河湟谷地1726年耕地格局,据文献[64];i. 黑河流域中游历史时期拟耕地网格化数据,据文献[65, 67];j. 云南省清代耕地网格化数据,据文献[63];k. 西南地区清代耕地和森林网格化数据,据文献[61,62];l. 西藏中部1830—1990年县级耕地数据,据文献[66]
Fig.2 Regions of historical land cover reconstructionserving global change research in China a. CNEC dataset,forest cover dataset in Northeast China during past 300a and cropland over Heilongjiang in the late 19th century from references[32,33, 51~53];b.Cultivation ratio in the eastern farming-pastoral ecotone in northern China during the twentieth century, from reference[55];c. Land cover data on county level in Re-Cha-Sui area during past 300a, from reference[54]; d. Cultivation ratio of Guanzhong region in the Qing Dynasty, from reference[58];e.Cropland data on county levelin He’nan Province from 1368 to 1953, from reference[59]; f. Cropland data on county level in the region of Su-Wan from 1500 to 1937, from reference[60];g. Cultivation ratioin Loess Plateau over past 300 years, from reference[57]; h. Cropland spatial patterns for 1726 on Yellow River-Huangshui River vally in northeast Qinghai Tibet Plateau, from reference[64]; i. Historical cultivated land distribution in middle reached of Heihe River Basin, from references[65, 67];j. Gridding cropland data of Yunnan Province in the Qing Dynasty, from reference[63];k. Gridding cropland and forest data in Southwest in the Qing Dynasty, from references[61,62]; l. Cropland data on county level in Central Tibet from 1830 to 1990, from reference[66]