Changes in ecosystem services associated with planting structures of cropland: A case study in Minle County in China
文献类型:期刊论文
作者 | Liu, Yaqun1,2; Song, Wei2; Mu, Fengyun1 |
刊名 | PHYSICS AND CHEMISTRY OF THE EARTH
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出版日期 | 2017-12-01 |
卷号 | 102页码:10-20 |
关键词 | Cropland Land use change Crop planting structure Ecosystem services TM/ETM plus images Minle County |
ISSN号 | 1474-7065 |
DOI | 10.1016/j.pce.2016.09.003 |
通讯作者 | Song, Wei(songw@igsnrr.ac.cn) |
英文摘要 | The cropland ecosystem provides essential direct and indirect products and services to mankind such as food, fiber, biodiversity and soil conservation. A change of crop planting structure can change the ecosystem services of cropland by affecting land use type. In recent years, under the influence of regional comparative advantage and consumer demand changes, the crop planting structure in China has changed rapidly. However, there is still a lack of deep understanding on the effect of such a change in planting structure on the ecosystem services of cropland. Therefore, this research selected Minle County in the Heihe River Basin, which has small scattered croplands and a complex planting structure, as a study area. Based on the key time phase and optimal threshold of the normalized difference vegetation index (NDVI) data of the Thematic Mapper and Enhanced Thematic Mapper Plus (TM/ETM+) images, this study used the decision tree algorithm to classify and extract the crop planting structure in Minle County in 2007 and 2012 and to analyze the changes in its temporal and spatial patterns. Then, the market value method was adopted to estimate the effect of the change in crop planting structure on the ecosystem services of the cropland. From 2007 to 2012, the planting area of corn and rapeseed in Minle County increased by 5.86 x 10(3) ha and 5.10 x 10(3) ha, respectively. Conversely, the planting area of wheat and barley was reduced by 3.26 x 10(3) ha and 6.34 x 10(3) ha, respectively. These changes directly caused the increase of the ecosystem services value of corn and rapeseed by 1062.82 x 10(4) USD and 842.54 x 10(4) USD, respectively. The resulting reduction in the ecosystem services value of wheat and barley was 488.24 x 10(4) USD and 828.29 x 10(4) USD, respectively. Besides, the total ecosystem services value of cropland increased by 1564.98 x 10(4) USD. Further analysis found that the change in the crop planting structure caused an increase in the ecosystem services value of cropland of 359.44 x 10(4) USD, with a contribution rate of 22.97% to the total increase. The expansion of corn caused the increase of the ecosystem services value of cropland by 151.65 x 10(4) USD, with a contribution rate of 9.69% to the total increase. The change in crop planting structure in Minle County increased not only the economic benefits of crop planting, but also the ecosystem services of cropland. (C) 2017 Elsevier Ltd. All rights reserved. |
WOS关键词 | LAND-USE CHANGE ; REMOTELY-SENSED DATA ; DECISION-TREE CLASSIFICATION ; HEIHE RIVER-BASIN ; CULTIVATED LAND ; TIME-SERIES ; GRAIN PRODUCTION ; AGRICULTURE ; COVER ; EXPANSION |
资助项目 | National Natural Science Foundation of China[91325302] ; National Natural Science Foundation of China[41501192] ; National Natural Science Foundation of China[41671177] ; National Key Research and Development Program of China[2016YFA0602402] ; National Key Basic Research Program of China[2015CB452702] |
WOS研究方向 | Geology ; Meteorology & Atmospheric Sciences ; Water Resources |
语种 | 英语 |
WOS记录号 | WOS:000415610200002 |
出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
资助机构 | National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Basic Research Program of China |
源URL | [http://ir.igsnrr.ac.cn/handle/311030/61177] ![]() |
专题 | 中国科学院地理科学与资源研究所 |
通讯作者 | Song, Wei |
作者单位 | 1.Chongqing Jiaotong Univ, Coll Architecture & Urban Planning, Chongqing 400041, Peoples R China 2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China |
推荐引用方式 GB/T 7714 | Liu, Yaqun,Song, Wei,Mu, Fengyun. Changes in ecosystem services associated with planting structures of cropland: A case study in Minle County in China[J]. PHYSICS AND CHEMISTRY OF THE EARTH,2017,102:10-20. |
APA | Liu, Yaqun,Song, Wei,&Mu, Fengyun.(2017).Changes in ecosystem services associated with planting structures of cropland: A case study in Minle County in China.PHYSICS AND CHEMISTRY OF THE EARTH,102,10-20. |
MLA | Liu, Yaqun,et al."Changes in ecosystem services associated with planting structures of cropland: A case study in Minle County in China".PHYSICS AND CHEMISTRY OF THE EARTH 102(2017):10-20. |
入库方式: OAI收割
来源:地理科学与资源研究所
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