Journal of Resources and Ecology ›› 2021, Vol. 12 ›› Issue (3): 367-375.DOI: 10.5814/j.issn.1674-764x.2021.03.006
• Human Activities and Ecological Security • Previous Articles Next Articles
LI Xuemei*(), LIU Qian, HAN Jie, YUAN Ping, LI Yamin
Received:
2020-10-20
Accepted:
2021-03-04
Online:
2021-05-30
Published:
2021-07-30
Contact:
LI Xuemei
Supported by:
LI Xuemei, LIU Qian, HAN Jie, YUAN Ping, LI Yamin. Analysis of the Spatio-temporal Evolution of Land Intensive Use and Land Ecological Security in Tianjin from 1980 to 2019[J]. Journal of Resources and Ecology, 2021, 12(3): 367-375.
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URL: http://www.jorae.cn/EN/10.5814/j.issn.1674-764x.2021.03.006
Grass land | Farmland | Building | Forest | Water | Barren | Salt pan | Data sources |
---|---|---|---|---|---|---|---|
0.0493 | 0.1425 | 0.6137 | 0.0258 | 0.0552 | 0.1135 | 0.0000 | Xiao and Tian, 2014 |
0.1290 | 0.1691 | 0.3112 | 0.0708 | 0.0961 | 0.2238 | 0.0000 | Wang et al., 2018 |
0.1600 | 0.3200 | 0.8500 | 0.1200 | 0.5300 | 0.8200 | 0.0000 | Bai et al., 2019 |
0.0004 | 0.0276 | 0.0109 | 0.0059 | 0.0481 | 0.0025 | 0.0000 | He et al., 2019 |
0.1500 | 0.9500 | 0.7200 | 0.1200 | 0.1600 | 0.0000 | 0.0000 | Zhao et al., 2013 |
0.1600 | 0.3200 | 0.8500 | 0.1200 | 0.5300 | 0.8200 | 0.0000 | Xu et al., 2016 |
0.0726 | 0.1916 | 0.3934 | 0.0427 | 0.1425 | 0.1572 | 0.0000 | Hu et al., 2017 |
0.1600 | 0.3200 | 0.7200 | 0.1200 | 0.5300 | 0.8200 | 0.0000 | Yang et al., 2010 |
0.0000 | 0.2156 | 0.3141 | 0.1518 | 0.1983 | 0.0000 | 0.0000 | An et al., 2010 |
0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0952 | Mo et al., 2017 |
0.0726 | 0.1797 | 0.4903 | 0.0464 | 0.0664 | 0.1648 | 0.0952 | This study |
Table 1 Ecological risk intensity coefficients of different land use types
Grass land | Farmland | Building | Forest | Water | Barren | Salt pan | Data sources |
---|---|---|---|---|---|---|---|
0.0493 | 0.1425 | 0.6137 | 0.0258 | 0.0552 | 0.1135 | 0.0000 | Xiao and Tian, 2014 |
0.1290 | 0.1691 | 0.3112 | 0.0708 | 0.0961 | 0.2238 | 0.0000 | Wang et al., 2018 |
0.1600 | 0.3200 | 0.8500 | 0.1200 | 0.5300 | 0.8200 | 0.0000 | Bai et al., 2019 |
0.0004 | 0.0276 | 0.0109 | 0.0059 | 0.0481 | 0.0025 | 0.0000 | He et al., 2019 |
0.1500 | 0.9500 | 0.7200 | 0.1200 | 0.1600 | 0.0000 | 0.0000 | Zhao et al., 2013 |
0.1600 | 0.3200 | 0.8500 | 0.1200 | 0.5300 | 0.8200 | 0.0000 | Xu et al., 2016 |
0.0726 | 0.1916 | 0.3934 | 0.0427 | 0.1425 | 0.1572 | 0.0000 | Hu et al., 2017 |
0.1600 | 0.3200 | 0.7200 | 0.1200 | 0.5300 | 0.8200 | 0.0000 | Yang et al., 2010 |
0.0000 | 0.2156 | 0.3141 | 0.1518 | 0.1983 | 0.0000 | 0.0000 | An et al., 2010 |
0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0952 | Mo et al., 2017 |
0.0726 | 0.1797 | 0.4903 | 0.0464 | 0.0664 | 0.1648 | 0.0952 | This study |
Land use type | 1980 | 2000 | 2010 | 2019 | ||||
---|---|---|---|---|---|---|---|---|
Area (ha) | Proportion (%) | Area (ha) | Proportion (%) | Area (ha) | Proportion (%) | Area (ha) | Proportion (%) | |
Grass land | 13830.87 | 1.19 | 13328.76 | 1.14 | 13095.85 | 1.12 | 22033.59 | 1.89 |
Farmland | 730818.61 | 62.75 | 676615.04 | 58.10 | 612309.14 | 52.58 | 566705.41 | 48.66 |
Building | 158861.08 | 13.64 | 207869.66 | 17.85 | 276577.89 | 23.75 | 332985.14 | 28.59 |
Forest | 42236.13 | 3.63 | 43419.37 | 3.73 | 43419.37 | 3.73 | 62396.20 | 5.36 |
Water | 155709.61 | 13.37 | 164014.71 | 14.08 | 163056.45 | 14.00 | 137980.16 | 11.85 |
Barren | 20526.58 | 1.76 | 17244.86 | 1.48 | 15033.68 | 1.29 | 8040.64 | 0.69 |
Salt pan | 42574.56 | 3.66 | 42084.97 | 3.61 | 41084.97 | 3.53 | 35084.97 | 3.01 |
Table 2 Land use areas and proportions in Tianjin from 1980 to 2019
Land use type | 1980 | 2000 | 2010 | 2019 | ||||
---|---|---|---|---|---|---|---|---|
Area (ha) | Proportion (%) | Area (ha) | Proportion (%) | Area (ha) | Proportion (%) | Area (ha) | Proportion (%) | |
Grass land | 13830.87 | 1.19 | 13328.76 | 1.14 | 13095.85 | 1.12 | 22033.59 | 1.89 |
Farmland | 730818.61 | 62.75 | 676615.04 | 58.10 | 612309.14 | 52.58 | 566705.41 | 48.66 |
Building | 158861.08 | 13.64 | 207869.66 | 17.85 | 276577.89 | 23.75 | 332985.14 | 28.59 |
Forest | 42236.13 | 3.63 | 43419.37 | 3.73 | 43419.37 | 3.73 | 62396.20 | 5.36 |
Water | 155709.61 | 13.37 | 164014.71 | 14.08 | 163056.45 | 14.00 | 137980.16 | 11.85 |
Barren | 20526.58 | 1.76 | 17244.86 | 1.48 | 15033.68 | 1.29 | 8040.64 | 0.69 |
Salt pan | 42574.56 | 3.66 | 42084.97 | 3.61 | 41084.97 | 3.53 | 35084.97 | 3.01 |
District | Grass land | Farmland | Building | Forest | Water | Barren | Salt pan |
---|---|---|---|---|---|---|---|
Jizhou | 1.43 | -0.67 | 1.10 | 1.24 | 0.05 | 0.00 | 0.00 |
Baodi | -1.43 | -0.34 | 0.85 | 2.68 | 1.33 | -0.29 | 0.00 |
Wuqing | -0.75 | -0.44 | 1.13 | 3.83 | 1.78 | 7.23 | 0.00 |
Ninghe | -0.89 | -0.15 | 2.84 | -1.60 | -0.62 | 8.07 | 0.00 |
Beichen | -1.84 | -0.88 | 5.04 | -1.82 | -0.48 | 36.41 | 0.00 |
Xiqing | 11.43 | -1.17 | 6.40 | 0.76 | -0.92 | 0.00 | 0.00 |
Dongli | 2.93 | -1.62 | 5.47 | 2.54 | -0.26 | 0.00 | 0.00 |
Jinnan | 11.56 | -1.34 | 5.13 | 0.66 | 0.34 | 0.00 | 0.00 |
Central areas | 0.00 | -2.56 | 0.54 | -0.30 | 4.23 | 0.00 | 0.00 |
Jinghai | 0.39 | -0.43 | 4.34 | 5.50 | 0.25 | 2.29 | 0.00 |
Binhai | 1.42 | -0.74 | 4.38 | -1.67 | -0.86 | -1.87 | -0.45 |
Table 3 Dynamic degree of land use in each district of Tianjin from 1980 to 2019 (Unit: %)
District | Grass land | Farmland | Building | Forest | Water | Barren | Salt pan |
---|---|---|---|---|---|---|---|
Jizhou | 1.43 | -0.67 | 1.10 | 1.24 | 0.05 | 0.00 | 0.00 |
Baodi | -1.43 | -0.34 | 0.85 | 2.68 | 1.33 | -0.29 | 0.00 |
Wuqing | -0.75 | -0.44 | 1.13 | 3.83 | 1.78 | 7.23 | 0.00 |
Ninghe | -0.89 | -0.15 | 2.84 | -1.60 | -0.62 | 8.07 | 0.00 |
Beichen | -1.84 | -0.88 | 5.04 | -1.82 | -0.48 | 36.41 | 0.00 |
Xiqing | 11.43 | -1.17 | 6.40 | 0.76 | -0.92 | 0.00 | 0.00 |
Dongli | 2.93 | -1.62 | 5.47 | 2.54 | -0.26 | 0.00 | 0.00 |
Jinnan | 11.56 | -1.34 | 5.13 | 0.66 | 0.34 | 0.00 | 0.00 |
Central areas | 0.00 | -2.56 | 0.54 | -0.30 | 4.23 | 0.00 | 0.00 |
Jinghai | 0.39 | -0.43 | 4.34 | 5.50 | 0.25 | 2.29 | 0.00 |
Binhai | 1.42 | -0.74 | 4.38 | -1.67 | -0.86 | -1.87 | -0.45 |
Year | Jizhou | Baodi | Wuqing | Ninghe | Beichen | Xiqing | Dongli | Jinnan | Central areas | Jinghai | Binhai | Tianjin |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1980 | 0.77 | 0.75 | 0.76 | 0.72 | 0.72 | 0.66 | 0.70 | 0.71 | 0.51 | 0.75 | 0.67 | 0.72 |
2000 | 0.78 | 0.74 | 0.72 | 0.72 | 0.69 | 0.64 | 0.67 | 0.66 | 0.53 | 0.73 | 0.65 | 0.71 |
2010 | 0.76 | 0.73 | 0.70 | 0.71 | 0.64 | 0.59 | 0.61 | 0.62 | 0.58 | 0.72 | 0.64 | 0.69 |
2019 | 0.77 | 0.71 | 0.70 | 0.71 | 0.63 | 0.62 | 0.59 | 0.60 | 0.68 | 0.73 | 0.61 | 0.68 |
Table 4 Land use ecological security indexes of individual districts in Tianjin from 1980 to 2019
Year | Jizhou | Baodi | Wuqing | Ninghe | Beichen | Xiqing | Dongli | Jinnan | Central areas | Jinghai | Binhai | Tianjin |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1980 | 0.77 | 0.75 | 0.76 | 0.72 | 0.72 | 0.66 | 0.70 | 0.71 | 0.51 | 0.75 | 0.67 | 0.72 |
2000 | 0.78 | 0.74 | 0.72 | 0.72 | 0.69 | 0.64 | 0.67 | 0.66 | 0.53 | 0.73 | 0.65 | 0.71 |
2010 | 0.76 | 0.73 | 0.70 | 0.71 | 0.64 | 0.59 | 0.61 | 0.62 | 0.58 | 0.72 | 0.64 | 0.69 |
2019 | 0.77 | 0.71 | 0.70 | 0.71 | 0.63 | 0.62 | 0.59 | 0.60 | 0.68 | 0.73 | 0.61 | 0.68 |
Year | 1980 | 2000 | 2010 | 2019 |
---|---|---|---|---|
Moran's I value | 0.083* | 0.281** | 0.453*** | 0.213* |
P value | 0.086 | 0.013 | 0.001 | 0.061 |
Table 5 Moran's I values of land ecological security index in each district of Tianjin from 1980 to 2019
Year | 1980 | 2000 | 2010 | 2019 |
---|---|---|---|---|
Moran's I value | 0.083* | 0.281** | 0.453*** | 0.213* |
P value | 0.086 | 0.013 | 0.001 | 0.061 |
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