黄土丘陵区生态系统服务供需匹配研究——以兰州市为例
|
|
刘立程,刘春芳,王川,李鹏杰
|
Supply and demand matching of ecosystem services in loess hilly region: A case study of Lanzhou
|
|
LIU Licheng,LIU Chunfang,WANG Chuan,LI Pengjie
|
|
表2 兰州市各区县生态系统服务供需特征
|
Tab. 2 Current situation of supply and demand of ecosystem services in Lanzhou
|
|
| 产水服务(m3·hm-2) | 食物供给服务(t·km-2) | 碳固持服务(t·km-2) | 土壤保持服务(t·hm-2) | | 供给 | 需求 | 供给 | 需求 | 供给 | 需求 | 供给 | 需求 | | 兰州市 | 2570.17 | 343.82 | 376.41 | 113.38 | 4625.65 | 841.37 | 24.53 | 13.19 | | 城关区 | 2442.38 | 5903.54 | 79.62 | 1946.84 | 5959.09 | 14446.41 | 21.42 | 9.40 | | 七里河区 | 2666.76 | 1555.42 | 816.52 | 1147.00 | 7034.88 | 3806.24 | 57.59 | 8.09 | | 安宁区 | 2459.80 | 3228.87 | 113.25 | 1693.93 | 5159.55 | 7901.30 | 10.38 | 9.71 | | 西固区 | 2617.93 | 587.88 | 270.99 | 209.87 | 5220.65 | 1438.59 | 26.94 | 16.79 | | 红古区 | 2824.80 | 313.02 | 269.59 | 103.23 | 3992.89 | 766.00 | 15.63 | 18.29 | | 榆中县 | 2574.14 | 235.00 | 690.80 | 77.50 | 6086.43 | 575.06 | 30.24 | 10.93 | | 永登县 | 2733.25 | 169.03 | 301.32 | 55.74 | 3649.31 | 413.64 | 25.95 | 16.20 | | 皋兰县 | 2054.09 | 111.61 | 115.71 | 36.81 | 4609.20 | 273.12 | 9.06 | 7.96 |
|
|
|