中国草地生态系统服务功能价值遥感估算研究
Estimation of Grassland Ecosystem Services Value of China Using Remote Sensing Data
查看参考文献24篇
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文摘
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草地生态系统是我国陆地上面积最大的生态系统，不仅生产大量的产品，而且提供巨大的生态服务功能。利用遥感技术估算草地生态系统服务价值，具有廉价、动态、快速、范围广等优点，并可解决传统方法所不能解决的空间异质性问题。论文考虑有机物质生产、维持CO_2和O_2平衡、营养物质循环、对环境污染的净化作用、土壤侵蚀控制和涵养水源等主要服务功能，提出了一个基于净初级生产力（NPP）和植被覆盖率的草地生态系统服务价值估算方法，并介绍了从MODIS数据反演NPP和植被覆盖率的方法。对2003年我国草地生态系统服务价值的估算结果表明，我国草地生态系统总服务价值达17050．25×10~8元，平均48．44×10~4元／km~2，是草地生产收益的19倍；不同类型的草地生态系统单位面积服务价值空间差异悬殊，从5．62×10~4元／km^2变化到99．0×10~4元／km~2以上。 |
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其他语种文摘
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Grassland ecosystem is a very important terrestrial ecosystem in China.It provides not only a large number of economic products but also many ecological services for mankind.Estimation of the grassland ecosystem services values is urgently required for administration of the precious natural resource.This paper intends to propose a practical method to estimate grassland ecosystem services value using remote sensing data.First of all,the relationship between the value of organic matter production,O_2 released and CO_2 fixed,nutrient recycle,and environmental pollution cleaning and the net primary productivity(NPP)was established using various methods such as market value,substitution,shadow price,opportunity cost.Consequently,the relationship between the value of soil erosion control and the quantity of soil conservation,which can be calculated from vegetation coverage fraction,was also constructed.The value of water conservation function was calculated by vegetation coverage fraction.Then,a net primary productivity(NPP)model of grassland based on photosynthesis efficiency model was proposed,in which all the parameters were retrieved from EOS/MODIS data.The method of determination of vegetation coverage fraction was also introduced.Finally,the value of grassland ecosystem services of China in 2003 was computed using the proposed method.Our results indicated that spatial variation of the ecosystem services value per unit area was consistent with the distribution of grassland types.The service value per unit area varied greatly with different grassland types.Shrub-meadow with sparse trees had the highest services value of 990259yuan/km~2(RMB).The service value of upland meadow is also high up to 968586yuan/km~2(RMB).Alpine desert steppe had the lowest services value of 56202yuan/km~2(RMB).Alpine desert also had a low services value of 89952yuan/km~2(RMB).Total service values of Chinese grassland ecosystem in 2003 was 1.70503×10~(12)yuan(RMB).Different grassland types had different total services values depending on their areas.Alpine meadow had the largest amount of total value of 4.05998×10~(11)yuan,accounting for 23.81% of the total services values of the entire Chinese grassland ecosystem.The services value was also varied with different ecosystem functions.The released O_2 and the fixed CO_2 contributed the highest percentage to the total service values being 54.06%.The contribution of organic matter production,soil erosion control,nutrient recycle,and water storage was 19.66%,14.28%,5.63% and 4.20%,respectively.
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来源
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自然资源学报
,2007,22(2):161-170 【核心库】
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关键词
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草地生态系统
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服务价值
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遥感
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NPP
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MODIS
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地址
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南京大学国际地球系统科学研究所, 南京, 210093
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南京大学城市与资源学系, 南京, 210093
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中国农业科学院农业资源与农业区划研究所, 北京, 100081
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中国林业科学院, 北京, 100091
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-3037 |
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学科
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社会科学总论 |
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基金
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国家科技部社会公益研究专项
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国家自然科学基金资助项目
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文献收藏号
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CSCD:2859452
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参考文献 共
24
共2页
|
|
1.
R Costanza. The value of the world's ecosystem services and natural capital.
Nature,1997,386:253-260
|
被引
3579
次
|
|
|
|
|
2.
谢高地. 中国自然草地生态系统服务价值.
自然资源学报,2001,16(1):47-53
|
被引
455
次
|
|
|
|
|
3.
王宗明. 吉林省生态系统服务价值变化研究.
自然资源学报,2004,19(1):55-61
|
被引
124
次
|
|
|
|
|
4.
赵海珍. 拉萨河谷地区青稞农田生态系统服务功能的评价--以达孜县为例.
自然资源学报,2004,19(5):632-636
|
被引
23
次
|
|
|
|
|
5.
许中旗. 锡林河流域生态系统服务价值变化研究.
自然资源学报,2005,20(1):99-104
|
被引
25
次
|
|
|
|
|
6.
欧阳志云. 中国陆地生态系统服务功能及其生态经济价值的初步研究.
生态学报,1999,19(5):607-613
|
被引
760
次
|
|
|
|
|
7.
闵庆文. 青海草地生态系统服务功能的价值评估.
资源科学,2004,26(3):56-60
|
被引
42
次
|
|
|
|
|
8.
赵同谦. 中国森林生态系统服务功能及其价值评价.
自然资源学报,2004,19(4):480-491
|
被引
328
次
|
|
|
|
|
9.
高旺盛. 黄土高原丘陵沟壑区脆弱农业生态系统服务评价-以安塞县为例.
自然资源学报,2003,18(2):182-188
|
被引
66
次
|
|
|
|
|
10.
杨志新. 北京郊区农田生态系统服务功能价值的评估研究.
自然资源学报,2005,20(4):564-571
|
被引
70
次
|
|
|
|
|
11.
陈润政.
植物生理学,1998
|
被引
18
次
|
|
|
|
|
12.
赵其国.
中国土壤资源,1991:101-107
|
被引
1
次
|
|
|
|
|
13.
李金昌.
生态价值论,1999
|
被引
173
次
|
|
|
|
|
14.
朱连奇. 山区土地利用/覆被变化对土壤侵蚀的影响.
地理研究,2003,22(4):432-438
|
被引
58
次
|
|
|
|
|
15.
姜立鹏. 基于MODIS数据的草地净初级生产力模型探讨.
中国草地学报,2006,28(6):72-76
|
被引
19
次
|
|
|
|
|
16.
Kerr Y H. Accurate land surface temperature retrieval from AVHRR data with use of an improved split window algorithm.
Remote Sensing of Environment,1992,41:197-209
|
被引
52
次
|
|
|
|
|
17.
Sellers P J. A golbal 1°by 1°NDVI data set for climate studies.Part 2:the generation of gloabl fields of terrestrial biophysical parameters from the NDVI.
Int J Remote Sensing,1994,15(17):3519-3545
|
被引
58
次
|
|
|
|
|
18.
Chen Lijun. Estimation of net primary productivity of terrestrial vegetation in China by remote sensing.
Acta Botanica Sinica,2001,43(11):1191-1198
|
被引
17
次
|
|
|
|
|
19.
Runing S W. Global terrestrial gross and net primary productivity from the earth observing system.
Methods in Ecosystem Science,2000:44-57
|
被引
5
次
|
|
|
|
|
20.
Potter C S. Terrestrial ecosystem production:a process model based on global satellite and surface data.
Global Biogeochen Cycles,1993,7:811-841
|
被引
559
次
|
|
|
|
|
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