气候变化领域集成服务门户(CCPortal): Spatiotemporal variation in vegetation coverage and its driving factors in the Guanzhong Basin, NW China

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DOI	10.1016/j.ecoinf.2021.101371
	Spatiotemporal variation in vegetation coverage and its driving factors in the Guanzhong Basin, NW China
	Zhao, Yu; Feng, Qi; Lu, Aigang
发表日期	2021
ISSN	1574-9541
EISSN	1878-0512
卷号	64
英文摘要	Understanding vegetation changes caused by climate and human activities could benefit regional management. The responses of vegetation dynamics to climate change and human activities were analyzed at the pixel and regional scales in the Guanzhong Basin, Northwestern China, using Normalized Difference Vegetation Index (NDVI), land cover, and climate data for 2000-2020. Based on trend analysis and regression analysis, in this study, the temporal and spatial characteristics of the NDVI and the relationships between the vegetation and climatic factors in the Guanzhong Basin were investigated. Residual analysis trend methods were used to distinguish between human and climate-induced vegetation changes at the regional scale. The results show that the NDVI, precipitation, and temperature increased in the Guanzhong Basin during 2000-2020, with annual growth rates of 0.003 a(-1), 5.210 mm/a, and 0.004 degrees C/a, respectively. The relative contribution rates of human activities and climate change to the vegetation changes were 66.78% and 33.22%, respectively. These results show that human activities played the dominant role in the Guanzhong Basin in 2000-2020. Extensive land use changes occurred from 2000 to 2020 in the Guanzhong Basin. The largest land use conversion type was farmland to urban and rural settlements, with 632.90 km(2) of farmland converted to urban and rural settlements. During the study period, the farmland was the most important land use type, accounting for 74.86% (15,302 km(2)), 73.80% (15,084 km(2)), 73.56% (15,035 km(2)), 71.48% (14,611 km(2)), and 70.53% (14,617 km(2)) of the total Guanzhong Basin's area in 2000, 2005, 2010, 2015, and 2020, respectively.
英文关键词	NDVI; Spatiotemporal pattern; Climatic factors; Human activities; Guanzhong Basin
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Ecology
WOS关键词	CLIMATE-CHANGE ; LOESS PLATEAU ; DYNAMICS ; NDVI ; EVAPOTRANSPIRATION ; RESPONSES ; IMPACTS ; REGION
WOS记录号	WOS:000691763100008
来源期刊	ECOLOGICAL INFORMATICS
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/239431
作者单位	[Zhao, Yu; Lu, Aigang] Weinan Normal Univ, Coll Environm & Life Sci, Weinan 714099, Peoples R China; [Zhao, Yu; Lu, Aigang] Key Lab Ecol & Environm River Wetlands Shaanxi Pr, Weinan 714099, Peoples R China; [Zhao, Yu; Feng, Qi] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Zhao, Yu,Feng, Qi,Lu, Aigang. Spatiotemporal variation in vegetation coverage and its driving factors in the Guanzhong Basin, NW China[J]. 中国科学院西北生态环境资源研究院,2021,64.
APA	Zhao, Yu,Feng, Qi,&Lu, Aigang.(2021).Spatiotemporal variation in vegetation coverage and its driving factors in the Guanzhong Basin, NW China.ECOLOGICAL INFORMATICS,64.
MLA	Zhao, Yu,et al."Spatiotemporal variation in vegetation coverage and its driving factors in the Guanzhong Basin, NW China".ECOLOGICAL INFORMATICS 64(2021).