河南理工大学学报（自然科学版）2024，Vol.43Issue(5)：87-95,9.DOI:10.16186/j.cnki.1673-9787.2023040038
人类活动对延河流域生态地质环境承载力影响研究
The impact of human activities on the carrying capacity of eco-geological environment in the Yanhe River Basin
摘要
Abstract
Objectives To investigate the influence of the gully land consolidation project and large-scale land infilling and excavation project on the eco-geological environment carrying capacity(EGCC)of the in the Yanhe River Basin,Methods a fractal theory and information quantity model were used to construct an EGCC evaluation model in the study area,the spatial and temporal patterns and flow dynamics of EGCC were revealed,the human activity intensity index was constructed,and the least squares method and Pearson correlation coefficient were used to explore the relationship between human activities and EGCC.Results The results showed that the overall EGCC situation in the Yanhe River improved significantly from 1990 to 2018,with an average value increased from-0.299 to-0.197.The distribution over the years showed a pat-tern of"the highest in the mcentral part,followed by the southeast,and the lowest in the northwest".The in-tensity of human activities gradually developed from a patchy distribution in 1990 to a"single nuclear radia-tion"distribution in 2018,with the high-intensity area mainly distributed in the central part of Yanhe River Basin.Furthermore,the correlation between human activity intensity and EGCC was high,and there was a positive promoting relationship within a certain range.Under the influence of large-scale land infilling and excavation project,the area of high-level and higher-level EGCC increased by 1.610 km2 and 3.164 km2 from 2010 to 2018,respectively.The trend of the gully management project and EGCC varied according to the geographical location and development focus of townships where the the gully land consolidation project was locate.Conclusions Overall,There was a strong positive correlation between human activities and the EGCC,and the gully land consolidation project and large-scale land infilling and excavation project had a positive impact on the EGCC.关键词
黄土丘陵沟壑区/治沟造地/平山造城/生态地质环境/承载力Key words
loess hilly and gully region/gully land consolidation project/large-scale land infilling and excava-tion project/ecological and geological environment/carrying capacity分类
资源环境引用本文复制引用
钟佳悦,郝利娜,张明颖,严丽华..人类活动对延河流域生态地质环境承载力影响研究[J].河南理工大学学报（自然科学版）,2024,43(5):87-95,9.基金项目
国家重点研发计划项目(2021YFC3000401) （2021YFC3000401）
中国博士后科学基金资助项目(2020T130074,2017M622982) （2020T130074,2017M622982）
