地理研究 ›› 2017, Vol. 36 ›› Issue (1): 74-84.doi: 10.11821/dlyj201701006
收稿日期:
2016-08-12
修回日期:
2016-12-09
出版日期:
2017-01-20
发布日期:
2017-01-20
作者简介:
作者简介:赵丹阳(1994- ),女,河南焦作人,硕士,主要从事区域发展与生态环境研究。E-mail:
基金资助:
Danyang ZHAO1,2(), Lianjun TONG1(
), Fangdao QIU3, Fuyou GUO4
Received:
2016-08-12
Revised:
2016-12-09
Online:
2017-01-20
Published:
2017-01-20
摘要:
通过构建城市用地扩张的生态环境效应综合评价模型“EU-P-S-R”,深入分析2001-2013年松花江流域城市用地扩张的生态环境效应,并揭示二者之间相互作用的驱动机制。结果表明:① 研究期内,松花江流域城市经济社会发展迅速,但空间分布不均衡;土地利用状态趋于恶化,空间差异扩大;生态环境质量发展趋势各异,空间格局变化较大。② 城市用地扩张的生态环境效应综合指数呈递增趋势,空间差异不明显。③ 松花江流域城市扩张与生态环境之间的因果关系符合“EU-P-S-R”模型的作用机理,即用地扩张压力大的城市土地利用状态相对较差,相应地,生态环境质量也偏低。④ 城市用地扩张系统与生态环境系统各要素间均存在较强的相互作用关系,各要素作用力大小略有差异。
赵丹阳, 佟连军, 仇方道, 郭付友. 松花江流域城市用地扩张的生态环境效应[J]. 地理研究, 2017, 36(1): 74-84.
Danyang ZHAO, Lianjun TONG, Fangdao QIU, Fuyou GUO. Eco-environment effect of urban expansion in Songhua River Basin[J]. GEOGRAPHICAL RESEARCH, 2017, 36(1): 74-84.
表1
松花江流域城市用地扩张的生态环境效应评价指标体系"
准则层(权重) | 功能团(权重) | 指标层 | 权重 | 指标性质 | |
---|---|---|---|---|---|
经济社会压力 (0.206) | 经济发展水平(P1) | 人均GDP(P11) | 0.075 | 正向 | |
服务业占比(P12) | 0.023 | 正向 | |||
实际利用外资占GDP比例(P13) | 0.112 | 正向 | |||
社会发展水平(P2) | 城镇居民人均可支配收入(P21) | 0.038 | 正向 | ||
万人拥有医院床位数(P22) | 0.034 | 正向 | |||
万人在校大学生数(P23) | 0.072 | 正向 | |||
土地利用状态 (0.354) | 空间扩张现状(S1) | 建设用地面积占比(S11) | 0.028 | 负向 | |
人均耕地面积(S12) | 0.051 | 正向 | |||
建设用地扩展强度(S13) | 0.028 | 负向 | |||
土地集约利用(S2) | 建成区人口密度(S21) | 0.045 | 正向 | ||
建设用地开发强度(S22) | 0.055 | 正向 | |||
生态环境响应 (0.439) | 资源损耗(R1) | 能源消耗总量(R11) | 0.033 | 负向 | |
市区全年用电量(R12) | 0.033 | 负向 | |||
全年供水总量(R13) | 0.037 | 负向 | |||
环境负荷(R2) | 废水排放总量(R21) | 0.019 | 负向 | ||
废气排放总量(R22) | 0.033 | 负向 | |||
固体废弃物产生量(R23) | 0.023 | 负向 | |||
生态现状(R3) | 建成区绿化覆盖率(R31) | 0.034 | 正向 | ||
水资源总量(R32) | 0.076 | 正向 | |||
人均城市园林绿地面积(R33) | 0.069 | 正向 | |||
环境治理(R4) | 工业SO2去除率(R41) | 0.05 | 正向 | ||
工业固体废弃物综合利用率(R42) | 0.032 | 正向 |
表2
城市用地扩张系统与生态环境系统要素关联度表"
R1=0.583 | R2=0.549 | R3=0.646 | R4=0.621 | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
R11 | R12 | R13 | R21 | R22 | R23 | R31 | R32 | R33 | R41 | R42 | ||||||
P1 0.601 | P11 | 0.641 | 0.604 | 0.706 | 0.635 | 0.634 | 0.602 | 0.642 | 0.578 | 0.699 | 0.665 | 0.606 | 0.637 | |||
P12 | 0.670 | 0.597 | 0.631 | 0.550 | 0.581 | 0.520 | 0.645 | 0.738 | 0.710 | 0.658 | 0.591 | 0.626 | ||||
P13 | 0.542 | 0.509 | 0.606 | 0.579 | 0.566 | 0.537 | 0.648 | 0.643 | 0.727 | 0.712 | 0.579 | 0.604 | ||||
P2 0.597 | P21 | 0.565 | 0.603 | 0.591 | 0.551 | 0.576 | 0.542 | 0.617 | 0.579 | 0.600 | 0.577 | 0.591 | 0.581 | |||
P22 | 0.615 | 0.505 | 0.611 | 0.653 | 0.590 | 0.542 | 0.637 | 0.626 | 0.696 | 0.669 | 0.660 | 0.619 | ||||
P23 | 0.528 | 0.469 | 0.571 | 0.488 | 0.516 | 0.476 | 0.612 | 0.647 | 0.831 | 0.711 | 0.566 | 0.583 | ||||
S1 0.59 | S11 | 0.709 | 0.643 | 0.566 | 0.627 | 0.616 | 0.628 | 0.616 | 0.663 | 0.498 | 0.563 | 0.608 | 0.612 | |||
S12 | 0.648 | 0.588 | 0.623 | 0.540 | 0.555 | 0.485 | 0.602 | 0.688 | 0.736 | 0.716 | 0.587 | 0.615 | ||||
S13 | 0.582 | 0.526 | 0.565 | 0.603 | 0.584 | 0.546 | 0.631 | 0.612 | 0.706 | 0.671 | 0.616 | 0.604 | ||||
S2 0.603 | S21 | 0.595 | 0.528 | 0.630 | 0.609 | 0.590 | 0.496 | 0.593 | 0.681 | 0.706 | 0.697 | 0.591 | 0.611 | |||
S22 | 0.617 | 0.511 | 0.602 | 0.608 | 0.548 | 0.487 | 0.605 | 0.716 | 0.684 | 0.704 | 0.616 | 0.609 | ||||
0.610 | 0.553 | 0.609 | 0.586 | 0.578 | 0.533 | 0.623 | 0.652 | 0.690 | 0.668 | 0.601 |
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