Journal of Natural Resources, Volume. 35, Issue 3, 546(2020)
Ecological security pattern construction based on multi-scenario trade-off of ecosystem services: A case study of Wafangdian, Dalian
Figures & Tables(14)
Fig. 4. Rose map of ecosystem services for each land use type in 2000 and 2014
Fig. 5. The spatial distribution of ecosystem services based on ordered weighted averaging-graphical information system (OWA-GIS) model under different scenarios.
Fig. 6. Spatial distribution of priority conservation areas for ecosystem services under different scenarios
Fig. 7. The land use composition of priority conservation areas under different scenarios
Fig. 8. Ecological source, potential corridor and the nuclear density analysis of ecological corridor importance in Wafangdian
Table 1. Data description
View tableView in ArticleTable 1. Data description
数据 数据类型 数据精度 数据处理 数据来源 Landsat遥感影像 栅格 30 m 大气校正、镶嵌、监督分类 https://www.usgs.gov NDVI 栅格 250 m 双线性法提升精度至30 m、最大合成法合成16天数据至逐月数据、标准化NDVI值至0~1 https://www.nasa.gov DEM 栅格 30 m 填洼 http://www.gscloud.cn 气象数据 点 — 反距离权重空间插值生成栅格数据 (30 m) http://data.cma.cn 土壤数据 栅格 30 m — http://westdc.westgis.ac.cn 社会经济数据 统计年鉴 县级 — http://www.stats.dl.gov.cn
Table 2. Average values of ecosystem services in 2000 and 2014
View tableView in ArticleTable 2. Average values of ecosystem services in 2000 and 2014
生态系统服务 2000年 2014年 变化量 变化率/% 食物供给/(万元∙hm-2∙a-1) 0.59 3.14 2.55 432.20 NPP/(g C∙m-2∙a-1) 412.42 423.05 10.63 2.68 产水量/mm 230.20 197.35 -32.85 -14.27 土壤保持/(t∙hm-2∙a-1) 61.46 101.23 39.77 64.71
Table 3. Order weights in different scenarios
View tableView in ArticleTable 3. Order weights in different scenarios
情景 风险系数 α w 1w 2w 3w 41 0.0001( 1.000 0.000 0.000 0.000 2 0.1 0.871 0.062 0.039 0.028 3 0.5 0.500 0.207 0.159 0.134 4 1 0.250 0.250 0.250 0.250 5 2 0.063 0.187 0.313 0.437 6 10 0.000 0.001 0.055 0.944 7 10000( 0.000 0.000 0.000 1.000
Table 4. Protection efficiency and trade-off of priority conservation areas for ecosystem services
View tableView in ArticleTable 4. Protection efficiency and trade-off of priority conservation areas for ecosystem services
情景 风险系数 α 保护效率 权衡度 食物供给 NPP 产水量 土壤保持 1 0.0001 0.48 1.36 0.68 2.95 0.00 2 0.1 1.04 1.26 0.80 2.75 0.17 3 0.5 2.52 0.54 1.65 0.66 0.63 4 1 2.45 0.58 1.70 0.67 1.00 5 2 1.11 1.52 1.18 1.82 0.68 6 10 0.51 1.66 0.44 2.06 0.07 7 1000 0.46 1.67 0.42 2.04 0.00
Table 5. Components of ecological security pattern and land use composition
View tableView in ArticleTable 5. Components of ecological security pattern and land use composition
土地利用类型 生态源地 生态廊道 生态缓冲区 面积/km2 比例/% 长度/km 比例/% 面积/km2 比例/% 全域 564.92 — 642.62 — 1145.53 — 林地 334.66 59.24 201.56 31.37 301.68 26.34 草地 97.30 17.22 109.01 16.96 151.94 13.26 耕地 100.56 17.80 146.25 22.76 517.56 45.18 水域 12.08 2.14 29.33 4.56 26.43 2.31 海水养殖 19.56 3.46 92.58 14.41 143.87 12.56 建设用地 0 0 63.30 9.85 0 0 未利用地 0 0 0 0 0 0
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Wen-zhen ZHAO, Zeng-lin HAN, Xiao-lu YAN, Jing-qiu ZHONG. Ecological security pattern construction based on multi-scenario trade-off of ecosystem services: A case study of Wafangdian, Dalian[J]. Journal of Natural Resources, 2020, 35(3): 546
Paper Information
Received: Jun. 12, 2019
Accepted: --
Published Online: Sep. 25, 2020
The Author Email: YAN Xiao-lu (xlyan@lnnu.edu.cn)
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