Author Affiliations
1School of Architecture & Planning, Anhui Jianzhu University, Hefei 230022, China2Research Center of Urbanization Development in Anhui Province, Hefei 230022, China3Anhui Urban & Rural Planning Design Institute, Hefei 230022, Chinashow less
Fig. 1. Location and range map of study area
Fig. 2. Change process of rural dilution measurement in Northern Anhui Area during 2007-2017
Fig. 3. Rural dilution hotspot analysis chart in Northern Anhui Area
Fig. 4. Regression coefficient distribution of influencing factors of rural dilution in Northern Anhui Area in 2017
Fig. 5. Formation mechanism of rural dilution in Northern Anhui Area
相关概念 | 典型定义 |
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乡村过疏化 | 乡村地区人口急剧外流导致其地域生产活动减少,乡村性质发生质变,导致传统乡村社会变化的过程[18] | 聚落空废化 | 伴随乡村社会演变引发住房空置,超占宅基地,造成大量宅院空间闲置等现象[19] | 乡村空心化 | 乡村地区“人走屋空”,村庄建设用地无序扩张、宅基地建新不拆旧的不良乡村空间演化过程[20] | 乡村智力流失 | 乡村地区高学历、高技能的青年人力资本显著地由乡到城的空间转移现象[21] |
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Table 1. Partial conceptual discussion of rural space issues
目标层 | 准则层(权重) | 指标层(属性) | 指标解释(单位) | 权重 |
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乡村稀释化 | 人口活力指数(0.439374) | 村庄人口中心度(–) | 乡村总人口/行政村个数(人) | 0.086234 | 乡村人口从业率(–) | 乡村从业人员数/乡村总人口(%) | 0.134254 | 乡村户均人口规模(–) | 乡村总人口/乡村总户数(%) | 0.072341 | 常住人口城镇化率(+) | 城镇人口/区域总人口(%) | 0.146545 | 土地利用指数(0.351009) | 土地垦殖率(–) | 农作物播种面积/区域总面积(%) | 0.114918 | 人均耕地面积(+) | 耕地面积/区域总人口(km2/人) | 0.131166 | 居民点用地占比(+) | 居民点及工矿用地面积/区域总面积(%) | 0.104925 | 社会活动指数 (0.209618) | 农村生活活力度(–) | 每万人农村用电量(万kW·h) | 0.057246 | 乡村教育发展度(–) | 每万人乡村小学在校生人数(人) | 0.083771 | 地区经济结构(–) | 第一产业增加值/GDP(%) | 0.068601 |
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Table 2. Rural dilution measurement indicators and weights
判据 | 交互作用类型 |
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q(X1∩X2)<min[(q(X1), q(X2)] | 非线性减弱 | min[q(X1), q(X2)]<q(X1∩X2)< max[q(X1), q(X2)] | 单因子非线性减弱 | q(X1∩X2)>max[q(X1), q(X2)] | 双因子增强 | q(X1∩X2)=q(X1)+q(X2) | 独立 | q(X1∩X2)>q(X1)+q(X2) | 非线性增强 |
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Table 3. Geo-detector interaction type
地级市 | 县级 单元 | 人口 活力 | 土地 利用 | 社会 活动 | 综合 测度 | 地级市 | 县级 单元 | 人口 活力 | 土地 利用 | 社会 活动 | 综合 测度 |
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宿州市 | 埇桥区 | 0.152016 | 0.146268 | 0.162830 | 0.461114 | | 阜南县 | 0.131860 | 0.086317 | 0.135050 | 0.353227 | 砀山县 | 0.104272 | 0.075232 | 0.163370 | 0.342874 | 颍上县 | 0.129213 | 0.087477 | 0.164968 | 0.381658 | 萧县 | 0.139482 | 0.106587 | 0.163439 | 0.409508 | 界首市 | 0.131970 | 0.070201 | 0.173214 | 0.375384 | 泗县 | 0.121681 | 0.156487 | 0.140388 | 0.418556 | 蚌埠市 | 龙子湖区 | 0.183952 | 0.237367 | 0.117151 | 0.538470 | 灵璧县 | 0.141316 | 0.116408 | 0.155993 | 0.413717 | 蚌山区 | 0.201823 | 0.208306 | 0.131185 | 0.541314 | 淮北市 | 相山区 | 0.164812 | 0.182081 | 0.138041 | 0.484934 | 禹会区 | 0.167733 | 0.194992 | 0.172677 | 0.535402 | 烈山区 | 0.091653 | 0.179575 | 0.183215 | 0.454443 | 淮上区 | 0.159813 | 0.153246 | 0.176369 | 0.489428 | 杜集区 | 0.163055 | 0.192077 | 0.186099 | 0.541232 | 怀远县 | 0.144927 | 0.123363 | 0.149141 | 0.417431 | 濉溪县 | 0.167953 | 0.187564 | 0.174605 | 0.530122 | 五河县 | 0.150333 | 0.148940 | 0.142046 | 0.441319 | 亳州市 | 谯城区 | 0.143004 | 0.114115 | 0.173598 | 0.430717 | 固镇县 | 0.148948 | 0.167442 | 0.142005 | 0.458395 | 利辛县 | 0.147766 | 0.091606 | 0.152585 | 0.391956 | 淮南市 | 大通区 | 0.197541 | 0.134981 | 0.176291 | 0.508813 | 涡阳县 | 0.153074 | 0.083891 | 0.173004 | 0.409970 | 田家庵区 | 0.184491 | 0.134645 | 0.137945 | 0.457081 | 蒙城县 | 0.140650 | 0.112235 | 0.158631 | 0.411517 | 谢家集区 | 0.201703 | 0.136197 | 0.161357 | 0.499257 | 阜阳市 | 颍州区 | 0.142402 | 0.103735 | 0.176455 | 0.422592 | 八公山区 | 0.175225 | 0.134914 | 0.127918 | 0.438058 | 颍东区 | 0.134070 | 0.128961 | 0.179711 | 0.442742 | 潘集区 | 0.169142 | 0.120253 | 0.182264 | 0.471659 | 颍泉区 | 0.119896 | 0.104089 | 0.164942 | 0.388928 | 寿县 | 0.139657 | 0.180389 | 0.154741 | 0.474787 | 临泉县 | 0.115187 | 0.059458 | 0.133364 | 0.308009 | 凤台县 | 0.174547 | 0.127127 | 0.165356 | 0.467029 | 太和县 | 0.267199 | 0.078318 | 0.163775 | 0.509292 | | | | | | |
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Table 4. Rural dilution measurement results of county units in Northern Anhui Area in 2017
类别 | 县级单元/个 | 乡村稀释化均值 | Moran's I值 | Z得分 |
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研究区整体 | 35 | 0.448950 | 0.340511 | 3.750649 | 低度乡村稀释化区 | 8 | 0.383062 | 0.269235 | 1.468255 | 中度乡村稀释化区 | 1 | 0.342874 | — | — | 高度乡村稀释化区 | 26 | 0.472400 | 0.68007 | 1.017089 |
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Table 5. Group analysis result statistics of rural dilution measurement in Northern Anhui Area
分组分区 | X2 | X6 | X7 | X13 | X20 | X21 |
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高度乡村稀释化区 | -0.000144 | -0.000108 | -0.45620 | 0.045319 | 0.000029 | 0.040990 | 中度乡村稀释化区 | -0.000163 | -0.000095 | -0.45550 | 0.060354 | 0.000030 | 0.038751 | 低度乡村稀释化区 | -0.000138 | -0.000119 | -0.45400 | 0.035345 | 0.000021 | 0.039521 |
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Table 6. Influencing factor regression coefficient mean partition statistics
Xi∩Xj | q(Xi) | q(Xj) | q(Xi∩Xj) | 类型 | Xi∩Xj | q(Xi) | q(Xj) | q(Xi∩Xj) | 类型 |
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X2∩X4 | 0.410 | 0.281 | 0.521 | NE | X7∩X13 | 0.452 | 0.570 | 0.698 | BE | X2∩X6 | 0.410 | 0.431 | 0.539 | NE | X7∩X14 | 0.452 | 0.334 | 0.530 | BE | X2∩X7 | 0.410 | 0.452 | 0.472 | NE | X7∩X19 | 0.452 | 0.136 | 0.461 | BE | X2∩X12 | 0.410 | 0.333 | 0.430 | BE | X7∩X20 | 0.452 | 0.423 | 0.524 | BE | X2∩X13 | 0.410 | 0.570 | 0.650 | BE | X7∩X21 | 0.452 | 0.402 | 0.599 | BE | X2∩X14 | 0.410 | 0.334 | 0.476 | NE | X7∩X22 | 0.452 | 0.223 | 0.602 | BE | X2∩X19 | 0.410 | 0.136 | 0.554 | NE | X12∩X13 | 0.333 | 0.570 | 0.651 | BE | X2∩X20 | 0.410 | 0.423 | 0.506 | BE | X12∩X14 | 0.333 | 0.334 | 0.571 | BE | X2∩X21 | 0.410 | 0.402 | 0.455 | BE | X12∩X19 | 0.333 | 0.136 | 0.446 | BE | X2∩X22 | 0.410 | 0.223 | 0.596 | NE | X12∩X20 | 0.333 | 0.423 | 0.554 | BE | X4∩X6 | 0.281 | 0.431 | 0.652 | BE | X12∩X21 | 0.333 | 0.402 | 0.582 | BE | X4∩X7 | 0.281 | 0.452 | 0.546 | BE | X12∩X22 | 0.333 | 0.223 | 0.512 | BE | X4∩X12 | 0.281 | 0.333 | 0.661 | BE | X13∩X14 | 0.570 | 0.334 | 0.602 | BE | X4∩X13 | 0.281 | 0.570 | 0.738 | BE | X13∩X19 | 0.570 | 0.136 | 0.646 | BE | X4∩X14 | 0.281 | 0.334 | 0.717 | BE | X13∩X20 | 0.570 | 0.423 | 0.738 | BE | X4∩X19 | 0.281 | 0.136 | 0.377 | BE | X13∩X21 | 0.570 | 0.402 | 0.613 | BE | X4∩X20 | 0.281 | 0.423 | 0.593 | BE | X13∩X22 | 0.570 | 0.223 | 0.658 | BE | X4∩X21 | 0.281 | 0.402 | 0.553 | BE | X14∩X19 | 0.334 | 0.136 | 0.477 | BE | X4∩X22 | 0.281 | 0.223 | 0.500 | BE | X14∩X20 | 0.334 | 0.423 | 0.610 | BE | X6∩X7 | 0.431 | 0.452 | 0.539 | BE | X14∩X21 | 0.334 | 0.402 | 0.582 | BE | X6∩X12 | 0.431 | 0.333 | 0.585 | BE | X14∩X22 | 0.334 | 0.223 | 0.477 | BE | X6∩X13 | 0.431 | 0.570 | 0.750 | BE | X19∩X20 | 0.136 | 0.423 | 0.543 | BE | X6∩X14 | 0.431 | 0.334 | 0.673 | BE | X19∩X21 | 0.136 | 0.402 | 0.464 | BE | X6∩X19 | 0.431 | 0.136 | 0.504 | BE | X19∩X22 | 0.136 | 0.223 | 0.367 | BE | X6∩X20 | 0.431 | 0.423 | 0.565 | BE | X20∩X21 | 0.423 | 0.402 | 0.487 | BE | X6∩X21 | 0.431 | 0.402 | 0.459 | BE | X20∩X22 | 0.423 | 0.223 | 0.502 | BE | X6∩X22 | 0.431 | 0.223 | 0.473 | BE | X21∩X22 | 0.402 | 0.223 | 0.668 | BE | X7∩X12 | 0.452 | 0.333 | 0.477 | BE | | | | | |
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Table 7. Interaction results of spatial dilution factors in rural dilution in Northern Anhui Area