Journal of Resources and Ecology ›› 2019, Vol. 10 ›› Issue (3): 282-288.DOI: 10.5814/j.issn.1674-764X.2019.03.006
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CAO Yuhong*(), CHEN Chen, LIU Chonggang, LI Lulu, LIU Meiyun
Received:
2018-01-22
Accepted:
2018-11-20
Online:
2019-05-30
Published:
2019-05-30
Contact:
CAO Yuhong
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*First author:
Supported by:
CAO Yuhong,CHEN Chen,LIU Chonggang,LI Lulu,LIU Meiyun. Temporal and Spatial Variations of Eco-asset Patterns and the Factors Driving Change in the Wanjiang Demonstration Area[J]. Journal of Resources and Ecology, 2019, 10(3): 282-288.
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URL: http://www.jorae.cn/EN/10.5814/j.issn.1674-764X.2019.03.006
Category | Forest land | Grassland | Cultivated land | Water area |
---|---|---|---|---|
Gas conditioning | 3097.0 | 707.9 | 442.4 | 0 |
Climate regulation | 2389.1 | 796.4 | 787.5 | 407.0 |
Water conservation | 2831.5 | 707.9 | 530.9 | 18033.2 |
Soil formation and protection | 3450.9 | 1725.5 | 1291.9 | 8.8 |
Waste disposal | 1159.2 | 1159.2 | 1451.2 | 16086.6 |
Biodiversity conservation | 2884.6 | 964.5 | 628.2 | 2203.3 |
Food production | 88.5 | 265.5 | 884.9 | 88.5 |
Raw material | 2300.6 | 44.2 | 88.5 | 8.8 |
Entertainment culture | 1132.6 | 35.4 | 8.8 | 3840.2 |
Table 1 Value-equivalent factors per unit area of the eco-system in Wanjiang Demonstration Area (Yuan)
Category | Forest land | Grassland | Cultivated land | Water area |
---|---|---|---|---|
Gas conditioning | 3097.0 | 707.9 | 442.4 | 0 |
Climate regulation | 2389.1 | 796.4 | 787.5 | 407.0 |
Water conservation | 2831.5 | 707.9 | 530.9 | 18033.2 |
Soil formation and protection | 3450.9 | 1725.5 | 1291.9 | 8.8 |
Waste disposal | 1159.2 | 1159.2 | 1451.2 | 16086.6 |
Biodiversity conservation | 2884.6 | 964.5 | 628.2 | 2203.3 |
Food production | 88.5 | 265.5 | 884.9 | 88.5 |
Raw material | 2300.6 | 44.2 | 88.5 | 8.8 |
Entertainment culture | 1132.6 | 35.4 | 8.8 | 3840.2 |
Time\Main landscape types | Forest land | Grassland | Cultivated land | Water area | Total |
---|---|---|---|---|---|
1990 | 471.64 | 4.11 | 29.34 | 264.94 | 770.03 |
2000 | 432.88 | 3.86 | 30.03 | 238.78 | 705.55 |
2013 | 501.90 | 3.65 | 24.78 | 263.19 | 793.52 |
Change rate (%) | 6.42 | -11.19 | -15.54 | -0.66 | 3.05 |
Table 2 The eco-asset classifications of the study area (100 million yuan)
Time\Main landscape types | Forest land | Grassland | Cultivated land | Water area | Total |
---|---|---|---|---|---|
1990 | 471.64 | 4.11 | 29.34 | 264.94 | 770.03 |
2000 | 432.88 | 3.86 | 30.03 | 238.78 | 705.55 |
2013 | 501.90 | 3.65 | 24.78 | 263.19 | 793.52 |
Change rate (%) | 6.42 | -11.19 | -15.54 | -0.66 | 3.05 |
Land type | Year | Total class area | Percentage of landscape | Number of patches | Patch density | Edge Density |
---|---|---|---|---|---|---|
Cultivated land | 1990 | 4151868 | 53.3201 | 572 | 0.0073 | 4.0166 |
2000 | 4111100 | 52.7859 | 595 | 0.0076 | 4.1041 | |
2013 | 4070920 | 52.2437 | 602 | 0.0077 | 4.0104 | |
Construction land | 1990 | 413168 | 5.3061 | 1247 | 0.0160 | 1.2841 |
2000 | 452760 | 5.8134 | 1309 | 0.0168 | 1.4016 | |
2013 | 493332 | 6.3311 | 1203 | 0.0154 | 1.3274 | |
Forest land | 1990 | 2115036 | 27.1622 | 499 | 0.0064 | 2.5977 |
2000 | 2110724 | 27.1014 | 490 | 0.0063 | 2.6212 | |
2013 | 2587396 | 33.2051 | 378 | 0.0049 | 2.4083 | |
Water area | 1990 | 537628 | 6.9045 | 531 | 0.0068 | 0.8846 |
2000 | 537824 | 6.9056 | 532 | 0.0068 | 0.8849 | |
2013 | 630728 | 8.0944 | 902 | 0.0116 | 1.2151 | |
Grassland | 1990 | 568792 | 7.3047 | 711 | 0.0091 | 1.2722 |
2000 | 575652 | 7.3913 | 723 | 0.0093 | 1.2923 | |
2013 | 2744 | 0.0352 | 9 | 0.0001 | 0.0090 |
Table 3 Changes in the landscape pattern index from 1990 to 2013
Land type | Year | Total class area | Percentage of landscape | Number of patches | Patch density | Edge Density |
---|---|---|---|---|---|---|
Cultivated land | 1990 | 4151868 | 53.3201 | 572 | 0.0073 | 4.0166 |
2000 | 4111100 | 52.7859 | 595 | 0.0076 | 4.1041 | |
2013 | 4070920 | 52.2437 | 602 | 0.0077 | 4.0104 | |
Construction land | 1990 | 413168 | 5.3061 | 1247 | 0.0160 | 1.2841 |
2000 | 452760 | 5.8134 | 1309 | 0.0168 | 1.4016 | |
2013 | 493332 | 6.3311 | 1203 | 0.0154 | 1.3274 | |
Forest land | 1990 | 2115036 | 27.1622 | 499 | 0.0064 | 2.5977 |
2000 | 2110724 | 27.1014 | 490 | 0.0063 | 2.6212 | |
2013 | 2587396 | 33.2051 | 378 | 0.0049 | 2.4083 | |
Water area | 1990 | 537628 | 6.9045 | 531 | 0.0068 | 0.8846 |
2000 | 537824 | 6.9056 | 532 | 0.0068 | 0.8849 | |
2013 | 630728 | 8.0944 | 902 | 0.0116 | 1.2151 | |
Grassland | 1990 | 568792 | 7.3047 | 711 | 0.0091 | 1.2722 |
2000 | 575652 | 7.3913 | 723 | 0.0093 | 1.2923 | |
2013 | 2744 | 0.0352 | 9 | 0.0001 | 0.0090 |
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