流域生态系统服务价值、生态风险过程及其关联性 ———以淮河流域安徽段为例.

التفاصيل البيبلوغرافية
العنوان:	流域生态系统服务价值、生态风险过程及其关联性 ———以淮河流域安徽段为例. (Chinese)
Alternate Title:	Process and Correlation Between Ecosystem Services Value and Ecological Risk in River Basin—A Case Study at Huaihe River Basin in Anhui Province. (English)
المؤلفون:	蒋伟峰, 许艳, 李冬花, 毕珊珊, 李倩, 陆林
المصدر:	Bulletin of Soil & Water Conservation; jun2022, Vol. 42 Issue 3, p120-130, 11p
Abstract (English):	[Objective] The spatio-temporal pattern and interrelationship between the value of ecosystem services and ecological risks in river basins were analyzed in order to ensure healthy and sustainable development of ecosystems, maintain regional ecosystem balance, and promote the coordinated development of human-land relationships. The results will provide a scientific reference for policy formulation for the comprehensive management of the Huaihe River basin.[Methods] Based on land use data and socio-economic statistical data for the Huaihe River basin in Anhui Province from 2000 to 2019, a dynamic evaluation model of ecosystem service value was established by using the dynamic equivalence method. The ecosystem service value of the study area was calculated for each year. Combined with spatial exploratory data analysis, the heterogeneity and correlation of the spatial and temporal evolution processes of the ecosystem service value (ESV) and ecological risk (ER) were discussed.[Results] ①Conversion of land types in the research area from 2000 to 2019 occurred frequently, with the greatest transfers occurring for construction land and farmland (1 488, 1 763 km², respectively). ② The total amount of ESV exhibited a fluctuating upward trend, from 3.13×10¹⁰yuan to 3.58×10¹⁰ yuan. The ecosystem services were mainly regulatory services. Farmland and water contributed more than 70% to the total ESV. The high value ESV area was located mainly in Liu'an City and on both sides of the Huaihe River tributaries. ③ The ER index was stable overall. The average fluctuation of ER in the study area was within the range of 0.01. The spatial distribution showed the characteristics of high in the central part of the region and low in the southwest. The high value ER area was mainly located around urban construction land.[Conclusion] The total number of ESVs in the study area exhibited a dynamic upward trend. ESV and ER exhibited spatial aggregation in the study area, and there were positive spatial association characteristics. [ABSTRACT FROM AUTHOR]
Abstract (Chinese):	[目的]明确流域生态系统服务价值和生态风险的时空格局及相互关系,为保证生态系统健康可持续发展,维护区域生态系统平衡,促进人地关系协调发展提供科学依据,为淮河流域综合治理的政策制定提供科学参考。[方法]基于淮河流域安徽段2000—2019年的土地利用数据和社会经济统计数据,利用动态当量法构建生态系统服务价值(ESV)动态评估模型,核算研究区各年份 ESV,并结合空间探索性数据分析,探讨 ESV 与生态风险(ER)时空演化过程的异质性和关联性。[结果]①2000—2019年研究区地类转换频繁,其中建设用地、农田转入转出最多(1488,1763km²)。② ESV 总量呈波动上升趋势。2000— 2019年 ESV 总量从3.13×10¹⁰元增至3.58×10¹⁰元,生态系统服务以调节服务为主,农田和水域对 ESV 总量贡献率达70%以上。ESV 高值区主要在六安市以及淮河支干流两侧。③ER 指数整体较稳定,研究区 ER均值波动幅度在0.01范围内,空间分布整体呈现出中部高、西南低的特征,ER高值区主要在城镇建设用地周围。[结论]研究区 ESV 总量呈动态上升趋势,ESV 与 ER 具有空间集聚性,并且二者存在负向空间关联特征. [ABSTRACT FROM AUTHOR]
	Copyright of Bulletin of Soil & Water Conservation is the property of Bulletin of Soil & Water Conservation Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
قاعدة البيانات:	Complementary Index

كن أول من يترك تعليقا!