PROGRESS IN GEOGRAPHY ›› 2020, Vol. 39 ›› Issue (7): 1095-1105.doi: 10.18306/dlkxjz.2020.07.003
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GE Yujuan1(), ZHAO Yuluan1,2,*(
), LI Xiubin2
Received:
2019-05-17
Revised:
2019-06-24
Online:
2020-07-28
Published:
2020-09-28
Contact:
ZHAO Yuluan
E-mail:986956266@qq.com;zhaoyl.09b@igsnrr.ac.cn
Supported by:
GE Yujuan, ZHAO Yuluan, LI Xiubin. Farmland fragmentation and land use intensity in mountain areas: A case study of Yayu Village, Guizhou Province[J].PROGRESS IN GEOGRAPHY, 2020, 39(7): 1095-1105.
Tab.2
Descriptive statistics of farmland parcel characteristics of the sampled farming households in Yayu Village"
调查项目 | 最小值 | 最大值 | 均值 | 标准差 | 变异系数/% |
---|---|---|---|---|---|
地块层面(2484块) | |||||
地块面积/hm2 | 0.001 | 0.565 | 0.043 | 0.045 | 104.651 |
地块周长/m | 10.0 | 586.8 | 95.3 | 54.5 | 57.264 |
农户层面(195户) | |||||
农户耕作距离/m | 36.7 | 121281.3 | 8204.9 | 11233.4 | 136.911 |
农户耕作地块数/块 | 1 | 46 | 12.738 | 7.373 | 57.882 |
农户耕地总面积/hm2 | 0.008 | 2.034 | 0.548 | 0.337 | 61.496 |
农户人均耕地面积/hm2 | 0.002 | 1.290 | 0.152 | 0.162 | 106.579 |
农户平均地块面积/hm2 | 0.008 | 0.187 | 0.046 | 0.023 | 50.000 |
Tab.4
Crop planting structure of the sampled farming households in Yayu Village"
种植 作物 | 种植 农户/户 | 种植 面积/hm2 | 种植地块 数/块 | 占总种植 面积的比例/% |
---|---|---|---|---|
水稻 | 143 | 22.248 | 380 | 57.855 |
玉米 | 111 | 12.775 | 372 | 33.221 |
辣椒 | 7 | 0.340 | 7 | 0.885 |
红薯 | 6 | 0.300 | 11 | 0.780 |
油菜 | 5 | 0.687 | 23 | 1.789 |
花生 | 4 | 0.240 | 8 | 0.625 |
大豆 | 3 | 0.142 | 4 | 0.369 |
黄桃 | 4 | 0.556 | 11 | 1.446 |
西瓜 | 2 | 0.431 | 6 | 1.120 |
葡萄 | 1 | 0.329 | 13 | 0.856 |
桂花树 | 2 | 0.217 | 3 | 0.565 |
车厘子 | 1 | 0.190 | 1 | 0.496 |
Tab.5
Results of farmland fragmentation degree based on six scenarios"
不同通勤距离情景指数 | 最小值 | 最大值 | 均值 | 标准差 |
---|---|---|---|---|
农户耕地细碎化指数LFI_A | 28.981 | 315.147 | 119.400 | 42.264 |
农户耕地细碎化指数LFI_A′ | 28.981 | 960.559 | 175.595 | 118.734 |
农户耕地细碎化指数LFI_B | 52.587 | 1222.198 | 304.263 | 203.327 |
农户耕地细碎化指数LFI_B′ | 56.249 | 1536.221 | 370.227 | 250.510 |
农户耕地细碎化指数LFI_C | 29.164 | 1307.378 | 179.293 | 161.664 |
农户耕地细碎化指数LFI_C′ | 29.422 | 1643.830 | 213.640 | 207.732 |
Tab.6
Land intensive use pattern of the sampled farming households"
最小值 | 最大值 | 均值 | 标准差 | 变异系数/% | |
---|---|---|---|---|---|
劳动力投入/(d/hm2) | 60.9 | 656.2 | 169.0 | 88.3 | 52.275 |
资本投入/(元/hm2) | 1244.4 | 17591.9 | 5942.9 | 3241.1 | 54.537 |
增产性投入/(元/hm2) | 1244.4 | 10372.0 | 3782.5 | 1827.9 | 48.326 |
省工性投入/(元/hm2) | 0 | 9218.1 | 2160.5 | 2090.6 | 96.765 |
单位面积作物产值/(元/hm2) | 4684.0 | 20395.3 | 11228.8 | 2987.4 | 26.605 |
Tab.7
Utilization of farmland under different levels of farming households farmland fragmentation in Yayu Village"
农户耕地细碎化等级 | 户数/户 | 耕地细碎化指数平均值 | 劳动力投入/(d/hm2) | 资本投入/(元/hm2) | 单位面积作物产值/(元/hm2) | ||
---|---|---|---|---|---|---|---|
总量 | 增产性投入 | 省工性投入 | |||||
微度 | 14 | 79.499 | 256.9 | 8212.8 | 4799.3 | 3413.5 | 14194.8 |
轻度 | 56 | 129.189 | 167.2 | 6667.9 | 3940.2 | 2727.6 | 11330.8 |
中度 | 40 | 171.161 | 171.7 | 5362.3 | 3610.8 | 1751.5 | 10993.2 |
较重度 | 16 | 221.713 | 141.1 | 4830.7 | 3507.0 | 1323.7 | 10675.0 |
重度 | 11 | 266.180 | 150.1 | 4647.6 | 3336.4 | 1311.3 | 10261.7 |
极重度 | 12 | 435.002 | 119.9 | 4517.1 | 3208.1 | 1308.9 | 9702.8 |
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