中国农业气象2026，Vol.47Issue(2)：237-248,12.DOI:10.3969/j.issn.1000-6362.2026.02.007
2000-2020年内蒙古不同植被NDVI对气候变化的敏感性
Sensitivity of Different Vegetation NDVI to Climate Change in Inner Mongolia from 2000 to 2020
摘要
Abstract
Based on MODIS NDVI data from 2000 to 2020,along with key climatic variables,including annual mean temperature,precipitation,drought index and soil moisture,obtained from the National Tibetan Plateau Data Center and the UK National Centre for Atmospheric Science,this study integrated trend analysis and First-difference multiple regression analysis to systematically examine the spatiotemporal variation in NDVI across major vegetation types(grassland,forest and cropland)in Inner Mongolia.The research further elucidated their differential responses to climate change.The results indicated that:(1)from 2000 to 2020,the NDVI in Inner Mongolia showed a significant increasing trend across more than 90％of the region.(2)All major vegetation types exhibited significant NDVI increases,with cropland having the highest growth rate(5.7×10-3·y-1)and the Gobi desert the lowest(8.2×10-4·y-1).(3)The sensitivity of NDVI to climatic factors differed considerably among vegetation types.Increased precipitation and soil moisture promoted coverage in most vegetation types,whereas a rise in mean annual temperature exerted a suppressive effect.Notably,grassland NDVI was the most sensitive to changes in both soil moisture and drought.Integrated analysis confirmed that water availability was the key limiting factor controlling vegetation cover dynamics in Inner Mongolia.Despite the overall regional greening trend,the high sensitivity of grassland ecosystems to warming and drought underscores their underlying vulnerability.Hence,future efforts should prioritize adaptive management and conservation strategies for grasslands to enhance regional climate resilience and support the sustainable development of Inner Mongolia's ecological environment.关键词
植被敏感性/气候变化/一阶差值多元回归/内蒙古Key words
Vegetation sensitivity/Climate change/First-difference multiple regression method/Inner Mongolia引用本文复制引用
乌日罕,胡国铮,干珠扎布,王海锋,阿伊莎,黄琳铭,高清竹..2000-2020年内蒙古不同植被NDVI对气候变化的敏感性[J].中国农业气象,2026,47(2):237-248,12.基金项目
国家重点研发计划项目(2024YFE0213100-03 （）
2024YFF1308200) （）
国家自然科学基金项目(32171590) （32171590）
中央级公益性科研院所基本科研业务费专项项目(ZDRW202417 （）
Y2025JC06 （）
BSRF202515) （）
