JOURNAL OF NATURAL RESOURCES ›› 2019, Vol. 34 ›› Issue (1): 14-25.doi: 10.31497/zrzyxb.20190102
• Orginal Article • Previous Articles Next Articles
Tao JIN1,2
Received:
2018-07-18
Revised:
2018-10-19
Online:
2019-01-20
Published:
2019-01-20
Tao JIN. The adjustment of China's grain cropping structure and its effect on the consumption of water and land resources[J].JOURNAL OF NATURAL RESOURCES, 2019, 34(1): 14-25.
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Table 1
Data revision of provincial cultivated land area and regional virtual water contents in the main grain products"
地区 | 省份 | 1996年耕地面积/103 hm2 | 2008年耕地面积/103 hm2 | 单位质量虚拟水含量/m3/kg | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
一调结果 | 二调接轨订正 | 一调口径 | 二调接轨订正 | 水稻 | 小麦 | 玉米 | 大豆 | 薯类 | ||||
华北 地区 | 北京 | 343.9 | 336.6 | 231.7 | 224.4 | 1.33 | 1.15 | 0.83 | 2.88 | 1.01 | ||
天津 | 485.6 | 488.6 | 441.1 | 444.1 | ||||||||
河北 | 6883.3 | 7122.4 | 6317.3 | 6556.4 | ||||||||
山西 | 4588.6 | 4598.2 | 4055.8 | 4065.4 | ||||||||
山东 | 7689.3 | 7832.3 | 7515.3 | 7658.3 | ||||||||
河南 | 8110.3 | 8361.6 | 7926.4 | 8177.7 | ||||||||
东北 地区 | 辽宁 | 4174.8 | 5119.1 | 4085.3 | 5029.6 | 1.22 | 1.20 | 0.78 | 2.55 | 1.62 | ||
吉林 | 5578.4 | 7065.1 | 5534.6 | 7021.3 | ||||||||
黑龙江 | 11773.0 | 15802.2 | 11830.1 | 15859.3 | ||||||||
西北 地区 | 内蒙古 | 8201.0 | 10242.8 | 7147.2 | 9189.0 | 1.43 | 1.38 | 0.88 | 3.19 | 1.54 | ||
陕西 | 5140.5 | 5083.4 | 4050.3 | 3993.2 | ||||||||
甘肃 | 5024.7 | 5764.4 | 4658.8 | 5398.5 | ||||||||
青海 | 688.0 | 733.3 | 542.7 | 588.0 | ||||||||
宁夏 | 1268.8 | 1448.3 | 1107.1 | 1286.6 | ||||||||
新疆 | 3985.7 | 4987.1 | 4124.6 | 5126.0 | ||||||||
长江 中下游 地区 | 上海 | 315.1 | 259.7 | 244.0 | 188.6 | 1.34 | 1.09 | 0.96 | 2.55 | 1.09 | ||
江苏 | 5061.7 | 4896.8 | 4763.8 | 4598.9 | ||||||||
安徽 | 5971.7 | 6138.2 | 5730.2 | 5896.7 | ||||||||
江西 | 2993.4 | 3252.7 | 2827.1 | 3086.4 | ||||||||
湖北 | 4949.5 | 5597.8 | 4664.1 | 5312.4 | ||||||||
湖南 | 3953.0 | 4301.0 | 3789.4 | 4137.4 | ||||||||
东南 沿海 地区 | 浙江 | 2125.3 | 2188.4 | 1920.9 | 1984.0 | 1.55 | 1.26 | 1.24 | 2.38 | 1.14 | ||
福建 | 1434.7 | 1443.9 | 1330.1 | 1339.3 | ||||||||
广东 | 3272.2 | 3007.1 | 2830.7 | 2565.6 | ||||||||
广西 | 4407.9 | 4616.1 | 4217.5 | 4425.7 | ||||||||
海南 | 762.1 | 763.8 | 727.5 | 729.2 | ||||||||
西南 地区 | 重庆 | 2235.9 | 2443.2 | 1.34 | 1.55 | 1.11 | 2.59 | 1.42 | ||||
四川 | 9169.1 | 10152.1 | 5947.4 | 6723.1 | ||||||||
贵州 | 4903.5 | 4981.6 | 4485.3 | 4563.4 | ||||||||
云南 | 6421.6 | 6588.7 | 6072.1 | 6239.2 | ||||||||
西藏 | 362.6 | 443.6 | 361.6 | 442.6 |
Table 2
Effect of grain cropping structure adjustment during 1996-2015 on grain sown area"
地区 | 现实增减/103 hm2 | 有调整情景/103 hm2 | 无调整情景/103 hm2 | 因调整节约的面积/103 hm2 | 节约率/% |
---|---|---|---|---|---|
东北地区 | 5641.1 | 20043.5 | 22701.2 | 2657.7 | 13.3 |
华北地区 | -292.7 | 27812.9 | 29742.7 | 1929.7 | 6.9 |
西北地区 | 923.3 | 15032.5 | 17648.1 | 2615.6 | 17.4 |
长江中下游地区 | -498.5 | 25259.8 | 25527.2 | 267.4 | 1.1 |
东南沿海地区 | -4281.1 | 8390.1 | 8399.8 | 9.7 | 0.1 |
西南地区 | -299.0 | 16494.4 | 16717.2 | 222.8 | 1.4 |
全国平均 | 1 193.2 | 113 033.4 | 117 209.7 | 4 176.3 | 3.7 |
Table 3
Effect of grain cropping structure adjustment during 1996-2015 on the consumption of water resources"
地区 | 现实增减/亿m3 | 有调整情景/亿m3 | 无调整情景/亿m3 | 因调整的节水量/亿m3 | 节水率/% |
---|---|---|---|---|---|
东北地区 | 486.4 | 1184.2 | 1245.2 | 61.1 | 5.2 |
华北地区 | 299.7 | 1603.1 | 1679.0 | 75.9 | 4.7 |
西北地区 | 269.1 | 809.0 | 909.2 | 100.2 | 12.4 |
长江中下游地区 | 174.7 | 1887.7 | 1888.1 | 0.4 | 0 |
东南沿海地区 | -229.5 | 669.5 | 673.5 | 4.0 | 0.6 |
西南地区 | 114.3 | 1040.9 | 1050.6 | 9.7 | 0.9 |
全国平均 | 1178.2 | 7211.5 | 7516.2 | 304.7 | 4.2 |
Table 4
Factors decomposition of production changes during 1996-2015 by region and by crop (万t)"
品种 | 产量变化 | 作物单产 | 种植比例 | 复种指数 | 耕地面积 | |
---|---|---|---|---|---|---|
东北地区 | 稻谷 | 2002.6 | 272.4 | 1098.5* | 646.1 | -14.3 |
小麦 | -351.8 | 26.8 | -421.2* | 43.6 | -1.0 | |
玉米 | 3882.9 | 856.4 | 1486.7* | 1574.6* | -34.9 | |
其他 | -150.0 | -8.6 | -440.2* | 305.5* | -6.8 | |
华北地区 | 稻谷 | 112.0 | 96.8* | -11.7 | 68.6* | -41.7 |
小麦 | 1701.9 | 1914.8* | -492.6 | 713.2 | -433.5 | |
玉米 | 2489.4 | 741.4 | 1527.9* | 561.2 | -341.1 | |
其他 | -815.0 | 9.6 | -871.8* | 120.3 | -73.1 | |
西北地区 | 稻谷 | 29.4 | 54.9 | -92.0* | 92.0* | -25.5 |
小麦 | -6.0 | 578.3 | -995.5* | 569.3 | -158.1 | |
玉米 | 2713.3 | 653.2 | 1399.2* | 914.9 | -254.0 | |
其他 | 99.6 | 312.1* | -446.7* | 324.2* | -90.0 | |
长江中下游地区 | 稻谷 | 695.5 | 746.1* | -264.5 | 754.2* | -540.3* |
小麦 | 750.1 | 769.1* | -77.9 | 207.5 | -148.7 | |
玉米 | 487.6 | 124.4 | 341.5* | 76.7 | -54.9 | |
其他 | -442.4 | -126.5 | -337.7* | 76.7 | -55.0 | |
东南沿海地区 | 稻谷 | -1478.3 | 379.0 | -1191.4* | -327.7 | -338.2 |
小麦 | -58.4 | 16.3 | -65.7* | -4.4 | -4.6 | |
玉米 | 185.8 | 127.6* | 106.8* | -23.9 | -24.7 | |
其他 | -141.4 | 155.7* | -192.7* | -51.4 | -53.0 | |
西南地区 | 稻谷 | -3.2 | 126.0 | -594.5* | 732.8* | -267.5 |
小麦 | -396.6 | 119.7 | -634.7* | 186.5 | -68.1 | |
玉米 | 776.8 | 434.2* | 92.8 | 393.3* | -143.6 | |
其他 | 562.7 | 312.1* | 15.2 | 370.7* | -135.3 |
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