中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Ecological restoration policy should pay more attention to the high productivity grasslands

文献类型:期刊论文

作者Yan, Huimin1,2; Xue, Zhichao3; Niu, Zhongen1,2
刊名ECOLOGICAL INDICATORS
出版日期2021-10-01
卷号129页码:10
关键词Ecological restoration programs Overgrazing Inner Mongolia grasslands Gross primary productivity
ISSN号1470-160X
DOI10.1016/j.ecolind.2021.107938
通讯作者Xue, Zhichao(zhichao.xue@geo.uni-goettingen.de) ; Niu, Zhongen(niuze.16b@igsnrr.ac.cn)
英文摘要To address severe grassland degradation problems, China has been implementing several national restoration programs, which have been reported to mitigate the deterioration of grassland ecosystem function. However, the regional differences in the effectiveness of the programs are not yet known. In this study, gross primary productivity (GPP) was selected as an indicator to analyze grassland degradation dynamics, and the residual trend method was used to assess the driving force of grassland degradation based on GPP. The results showed the GPP of Inner Mongolia grassland significantly increased by 3.94 g C m(-2) yr(-1) during 2000-2015, climate change was the dominant driving factors, while human activities slightly reduced grassland productivity (-0.17 g C m(-2) yr(-1)). But there are obviously spatial heterogeneous on the impact of human activities. Specifically, grassland management significantly promoted the GPP increase in semidesert steppe, while grazing activity decreased the GPP in meadow and typical steppes. These findings suggest that ecological restoration programs could obviously improve vegetation functioning in ecologically fragile grassland which has relatively very low productivity. However, the grasslands with relative higher productivity or initially non-degraded are still facing with great degradation risk due to the continuous growing livestock scale. Therefore, policy-makers should pay more attention to the originally non-degraded or high productivity grasslands, especially at those years the negative impacts of intensive grazing could be concealed by the well-growth grass under abundant precipitation.
WOS关键词GROSS PRIMARY PRODUCTION ; INNER-MONGOLIA ; CLIMATE-CHANGE ; CHINA ; DEGRADATION ; VEGETATION ; ECOSYSTEM ; MODEL ; MANAGEMENT ; DYNAMICS
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDA23100202] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA20010202]
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000681689400001
出版者ELSEVIER
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences
源URL[http://ir.igsnrr.ac.cn/handle/311030/164631]  
专题中国科学院地理科学与资源研究所
通讯作者Xue, Zhichao; Niu, Zhongen
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
3.Univ Goettingen, Inst Geog, Cartog GIS & Remote Sensing Dept, D-37077 Gottingen, Germany
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GB/T 7714
Yan, Huimin,Xue, Zhichao,Niu, Zhongen. Ecological restoration policy should pay more attention to the high productivity grasslands[J]. ECOLOGICAL INDICATORS,2021,129:10.
APA Yan, Huimin,Xue, Zhichao,&Niu, Zhongen.(2021).Ecological restoration policy should pay more attention to the high productivity grasslands.ECOLOGICAL INDICATORS,129,10.
MLA Yan, Huimin,et al."Ecological restoration policy should pay more attention to the high productivity grasslands".ECOLOGICAL INDICATORS 129(2021):10.

入库方式: OAI收割

来源:地理科学与资源研究所

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