近30年来三峡库区土地利用与生态环境效应研究热点演变及展望——基于Citespace的文献可视化分析
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国家社会科学基金重大项目(20ZD096)


The evolution and prospect of research hotspots on land use and ecological environment effects in the Three Gorges Reservoir Area in the past 30 years: A literature visualization analysis based on Citespace
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    摘要:

    三峡库区作为三峡工程建设后形成的独特地理单元,梳理探讨其土地利用与生态环境效应已有研究成果,对于库区土地利用、生态可持续发展具有重要意义。基于Citespace软件及传统文献归纳方法对文献总体特征、热点演变、主要内容、存在问题与不足等分析发现:(1)土地利用与生态环境效应相关的中英文发文量持续增长,领域影响力增强,研究具有多学科、交叉性等特点;(2)研究经历了1990-2005、2006-2014、2015-2022年三个时段的演变:一阶段重点关注土地整理、土地生态保护等问题;二阶段重点关注消落带、土地利用变化的地形梯度效应等问题;三阶段重点关注景观格局变化的社会-经济生态耦合、生态系统服务等问题,与库区发展及区域政策相吻合;(3)库首、库腹、库尾关注的主要内容有所差异:库首研究以生态风险评价及生态系统服务为主;库腹侧重对坡耕地变化的社会生态经济耦合研究;库尾因建设用地较多,在土地整治及区域规划背景下进行研究;(4)土地利用变化从注重单一要素转向多要素、多功能研究,驱动因子研究从定性分析转向定性与定量相结合分析;退耕还林等生态政策实施以来区域生态系统服务总体呈上升趋势、生态风险指数明显下降;土地利用的生态环境效应研究内容更加多元化;(5)当下的研究面临着数据、方法、指标体系构建等问题,未来需要从理论构建、方法创新、实践应用等多方面进行探索。

    Abstract:

    As a unique geographical unit formed after the construction of the Three Gorges Project, the Three Gorges Reservoir Area is of great significance for local land use and sustainable ecological development. Based on Citespace software and traditional literature induction methods, this paper analyzes the overall characteristics, hot spot evolution, main content, existing problems and deficiencies of literature. We found that: (1) the number of Chinese and English publications related to land use and ecological environment effects continued to increase, the influence of the field was enhanced, and the research had the multidisciplinary and intersectional characteristics. (2) The study has experienced three periods from 1990 to 2005, 2006 to 2014 and 2015 to 2022: the first stage focused on land consolidation and land ecological protection; the second stage focused on the extinction zone and the topographic gradient effect of land use change; the third stage focused on the social-economic ecological coupling and ecosystem services of landscape pattern change, which is consistent with the development of the reservoir area and regional policies. (3) The main concerned contents of the head of the reservoir area, the hinterland of the reservoir aera, and the end of the reservoir area were different: the research on the head of the reservoir area was mainly based on ecological risk assessment and ecosystem services; the hinterland of the reservoir area focused on the social-ecological and economic coupling of slope cultivated land change; due to the large number of construction land, the end of the reservoir area was studied under the background of land consolidation and regional planning. (4) Land use change shifted from focusing on single element to multi-factor and multi-functional research, and the driving factor research shifted from qualitative analysis to qualitative and quantitative combined analysis. Since the implementation of environmental policies such as returning cultivated land to forest, regional ecosystem services have shown an overall upward trend, and the ecological risk index has decreased significantly. The research content of the ecological environmental effects of land use was more diversified. (5) The current research is facing problems such as data, methods, and index system construction, and needs to be explored from various aspects such as theoretical construction, method innovation, and practical application in the future.

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王清荣,李阳兵,赵雯欣,汪荣,晏诗杰,夏春华,邵景安.近30年来三峡库区土地利用与生态环境效应研究热点演变及展望——基于Citespace的文献可视化分析.生态学报,2024,44(5):2159~2172

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