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内蒙古人类活动强度与生态系统服务价值的时空关联性分析
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Abstract:
生态系统为人类日常生活提供了许多基本生态系统服务，揭示人类活动强度与生态系统服务价值的关系对内蒙古不同区域协调人地关系、生态系统的改善以及地区可持续发展都具有十分重要的指导意义。本研究以内蒙古为研究区域，结合2000~2021年遥感数据和社会经济统计数据，以夜间灯光、人口密度和土地利用数据等作为数据源表征人类活动强度，用修正后的陆地生态系统服务单位面积价值当量表，来对生态系统服务的价值进行量化，并采用双变量空间自相关与地理加权回归模型，来研究人类活动强度与生态系统服务价值间的时空关联性。结果表明：(1) 2000~2021年内蒙古人类活动强度呈缓慢增强趋势，中部最高、西部最低及东部较高的空间分布特征；(2) 2000~2021年内蒙古的生态系统服务总价值从14140.86亿元上升到14215.87亿元，变化量为75.01亿元；内蒙古生态系统服务价值的空间异质性显著，呈由东到西递减的空间分布特征；(3) 内蒙古人类活动强度与整体生态系统服务价值呈现正相关性，在东部草原森林生态良好区与中部草原生态均衡区两者呈现正相关性，在西部沙漠生态环境脆弱区两者呈现负相关性；研究发现内蒙古人类活动强度与生态服务价值在不同区域的背景下具有较大差异，不同地域类型中两者的关系呈现不同的关联性。
Ecosystem provides many basic ecosystem services for human daily life. Revealing the relationship between the human activity intensity and the value of ecosystem services is of great guiding significance for the coordination of human-land relationship, the improvement of ecosystem and the sustainable development of different regions in Inner Mongolia. Revealing the relationship between human activity intensity and ecosystem service value is of great guiding significance for coordinating human-land relationship, and improving ecosystem and regional sustainable development in different regions of Inner Mongolia. This study selected Inner Mongolia as the research object, combined with remote sensing data and socio-economic statistical data from 2000 to 2021, used night light, population density and land use data as data sources to calculate the human activity intensity, and used the revised land ecosystem service unit area value as a scale to quantify the ecosystem service value. In addition, bivariate spatial autocorrelation and geographical weighted regression model were used to study the temporal and spatial correlation between human activity intensity and ecosystem service value. The results showed that: (1) The human activity intensity in Inner Mongolia increased slowly from 2000 to 2021; The spatial distribution characteristics were highest in the middle, lowest in the west and higher in the east. (2) From 2000 to 2021, the total ecosystem service value in Inner Mongolia increased from 1,414.086 billion yuan to 1421.587 billion yuan, with a change of 7.501 billion yuan; The spatial distribution is decreasing from east to west. (3) There was a positive correlation between the human activity intensity and the overall ecosystem service value in Inner Mongolia, a positive correlation between the eastern grassland forest ecological good area and the central grassland ecological balance area, and a negative correlation between the western desert ecological fragile area; It is found that human activity intensity and
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