首页|Ecological transitions in Xinjiang,China:Unraveling the impact of climate change on vegetation dynamics(1990-2020)

Ecological transitions in Xinjiang,China:Unraveling the impact of climate change on vegetation dynamics(1990-2020)

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For the past several decades,climate change has been driving vegetation dy-namics in arid regions worldwide.This study investigates vegetation dynamics and their links to climate from 1990 to 2020 in Xinjiang,China,using data from 30-m resolution land use and cover change,remote sensing,and climate reanalysis.Our approach encompasses a range of analytical techniques,including transfer matrix analysis,modeling,correlation,regression,and trend analysis.During the study period,there were major vegetation conversions from grassland to forestland in the mountains,and from cropland to grassland in the plains.Cli-mate change emerged as an important trigger of these changes,as evidenced by the in-crease in net primary productivity in most vegetation types,except for cropland-grassland and grassland-cropland conversions.Precipitation and soil moisture were the most influential climatic factors,contributing 15.1％and 15.2％,respectively,to natural vegetation changes.The study also found that evapotranspiration serves as a key mechanism for moisture dis-sipation in the hydrological cycle of vegetation dynamics.The interplay between precipitation,soil moisture,and evapotranspiration is a critical pattern of climatic influence that shapes vegetation dynamics across zones of intersection,increase,decrease,and change.These insights are invaluable for informing vegetation conservation and development strategies in Xinjiang and other similar environments facing climate-driven ecological transitions.

climate changeecological transitionsLUCCNPP efficiencyvegetation dynamicsXinjiang

HAO Haichao、YAO Junqiang、CHEN Yaning、XU Jianhua、LI Zhi、DUAN Weili、Sadaf ISMAIL、WANG Guiling

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Key Laboratory of Geographic Information Science(Ministry of Education),School of Geographic Sciences,East China Normal University,Shanghai 200241,China

Graduate School of Advanced Integrated Studies in Human Survivability,Kyoto University,Yoshida-Naka-adachi 1,Sakyo-ku,Kyoto 606-8306,Japan

Field Scientific Experiment Base of Akdala Atmospheric Background,Institute of Desert Meteorology,China Meteorological Administration,Urumqi 830011,China

State Key Laboratory of Desert and Oasis Ecology,Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands,Xinjiang Institute of Ecology and Geography,CAS,Urumqi 830011,China

School of Geographic Science,Nantong University,Nantong 226007,Jiangsu,China

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Key Laboratory Opening Foundation of Xinjiang Uygur Autonomous RegionShanghai Cooperation Organization(SCO)Science and Technology Partnership and International S&T Cooperation ProgramChina Scholarship Council(CSC)

2023D040482023E01022

2024

10.1007/s11442-024-2238-7

地理学报(英文版)
中国地理学会,中国科学院地理科学与资源研究所

地理学报(英文版)

CSTPCD
影响因子：1.307
ISSN：1009-637X
年,卷(期)：2024.34(6)