测绘通报 ›› 2024, Vol. 0 ›› Issue (7): 71-76,163.doi: 10.13474/j.cnki.11-2246.2024.0713

• 学术研究 • 上一篇    下一篇

山西省矿区NPP动态变化特征及驱动因素研究——以轩岗矿区为例

汪雯雯1,2,3, 李佳芳2,3,4, 杨文府2,5   

  1. 1. 中国矿业大学环境与测绘学院, 江苏 徐州 221116;
    2. 自然资源部矿业城市自然资源调查监测与保护重点实验室, 山西 晋中 030600;
    3. 山西省煤炭地质物探测绘院有限公司, 地质灾害监测预警与防治山西省重点实验室, 山西 晋中 030600;
    4. 山西农业大学资源环境学院, 山西 太谷 030801;
    5. 山西省煤炭地质勘查研究院有限公司, 山西 太原 030032
  • 收稿日期:2024-01-25 修回日期:2024-06-03 发布日期:2024-08-02
  • 通讯作者: 李佳芳。E-mail:1450409565@qq.com
  • 作者简介:汪雯雯(1988—),女,博士,高级工程师,研究方向为摄影测量与遥感。E-mail:530619120@qq.com
  • 基金资助:
    国家自然科学基金联合基金(U22A20620);山西省基础研究计划青年科学研究项目(202203021212513)

Study on NPP dynamic change characteristics and driving factors response in mining area of Shanxi province:taking Xuangang mining area as an example

WANG Wenwen1,2,3, LI Jiafang2,3,4, YANG Wenfu2,5   

  1. 1. School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China;
    2. Key Laboratory of Investigation, Monitoring and Protection of Natural Resources in Mining Cities, Ministry of Natural Resources, Jinzhong 030600, China;
    3. Shanxi Key Laboratory of Geological Disaster Monitoring, Early Warning and Prevention, Coal Geological Geophysical Exploration Surveying & Mapping Institute of Shanxi Province, Jinzhong 030600, China;
    4. College of Resources and Environment, Shanxi Agricultural University, Taigu 030801, China;
    5. Coal Geological Exploration and Research Institute of Shanxi Province, Taiyuan 030032, China
  • Received:2024-01-25 Revised:2024-06-03 Published:2024-08-02

摘要: 多年来山西省主要以煤炭资源带动发展,但生态环境受到破坏,植被净初级生产力(NPP)是衡量区域生态环境的重要指标,研究矿区植被NPP对于区域生态修复及可持续发展、高质量发展具有重要意义。本文以山西省轩岗矿区为例,运用Landsat、MOD17A3H、DEM、气象、人口等数据,综合CASA模型、一元线性回归、Hurst指数及地理探测器方法,揭示了矿区植被NPP时空变化特征,并分析了其驱动因素。结果表明:①在时间尺度上,2000—2021年轩岗矿区植被NPP高值区呈显著上升趋势,多年平均值为370.79 gC/(m2·a);②在空间尺度上,矿区植被NPP具有显著异质性,总体呈现从西南到东北逐渐降低的特征,由大到小依次为中值区(53.63%)、高值区(41.99%)、低值区(4.38%);③在变化趋势上,矿区植被NPP以增加趋势为主,且未来将以持续加剧为主,植被生长环境仍有较大挑战;④从驱动因素上分析,矿区植被NPP受因子影响由大到小依次为:土地利用(0.109)、海拔(0.088)、人口密度(0.075)、坡度(0.042)、降水(0.020)、气温(0.014)、坡向(0.042)。

关键词: 植被净初级生产力, 动态变化, 驱动因子, 矿区

Abstract: Over the years, the development of Shanxi province has been mainly driven by coal resources, but the ecological environment has been destroyed. The net primary productivity of vegetation (NPP) is an important index to measure the regional ecological environment. The study of NPP of mining area vegetation is of great significance for regional ecological restoration, sustainable development and high-quality development. Taking Xuangang mining area in Shanxi province as an example, this study used Landsat, MOD17A3H, DEM, meteorological and population data, and integrated CASA model, monadic linear regression, Hurst index and geographical detector methods to reveal the spatio-temporal variation characteristics of NPP in the mining area, and analyzed its driving factors. The results show that: ①In terms of time scale, the NPP high value area of vegetation in Xuangang mining area shows a significant upward trend from 2000 to 2021, and the average annual value is 370.79 gC/(m2·a); ②In spatial scale, NPP of vegetation in the mining area has significant heterogeneity, showing a gradual decrease from southwest to northeast, with the median area (53.63%)、high value area (41.99%)、low value area (4.38%),from the largest to the smallest; ③In terms of changing trend, NPP of vegetation in mining area is mainly increasing, and will continue to intensify in the future, and the vegetation growth environment still faces great challenges; ④From the perspective of driving factors, the NPP of vegetation in mining area is affected by land use (0.109)、elevation (0.088)、population density (0.075)、slope (0.042)、precipitation (0.020)、air temperature (0.014)、slope direction (0.042),from the largest to the smallest.

Key words: net primary productivity of vegetation, dynamic change, driving factors, mining district

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