地区水环境承载力与科技创新能力适配特征研究

Research on adaptation characteristics of regional water environment carrying capacity and sci-technology innovation ability

摘要

水环境承载力是研判区域水资源可持续发展能力的重要基础,科技创新能力的提升则是改善环境质量的不竭动力.以河北省新乐市为研究区,构建水环境承载力与科技创新能力评价指标体系,采用障碍度模型剖析其各自影响因素,基于基尼系数与时间匹配度分析2者的适配特征.结果表明,2016—2019年,研究区水环境承载力整体呈稳中向好趋势.水环境承载力与社会经济各项指标间的基尼系数均小于0.2,2者协调性较高.其中,水环境与水生态指数是制约该地区水环境承载力提升的关键因素,障碍度高达49%~57%.研究期间,科技创新能力呈现先波动下降、后上升的变化特征,其与社会经济水平的协调性一般,其中科创投入是科技创新能力提升的主要障碍因素.整体上看,科技创新能力与水环境承载力的基尼系数为0.287,2者处于较为匹配的状态.

Abstract

Water environment carrying capacity is considered as the basis for judging regional water resources sustainably,and improvement of sci-technology innovation ability is an inexhaustible driving force for environmental quality.Taking Xinle city of Hebei province as an example,this paper constructs evaluation index system of water environment carrying capacity and sci-technology innovation ability.A barrier degree model is used for analyzing their influencing factors,and their adaptation characteristics are then measured by the Gini coefficient and temporal matching degree.Results indicate that the water environmental carrying capacity in this area is in a good range and has a trend of continuous improvement during the periods from 2016 to 2019.Its Gini coefficient with socio-economic indicators is less than 0.2,implying that the coordination between the socio-economic indicators and water environmental carrying capacity is relatively high.The water environment and water ecology index is considered as the key factor restricting the water environment carrying capacity in this area with obstruction degree of 49%~57%.Moreover,the sci-technology innovation ability fluctuatly decreases first and then rises,with a general coordination with the socio-economic indicators.Among them,technological innovation investment is the main obstacle to sci-technology innovation ability.Overall,the Gini coefficient of sci-technology innovation ability and water environment carrying capacity is 0.287,which is in a relatively matching state.

关键词

水环境承载力 / 科技创新能力 / 影响因素 / 适配特征

Key words

water environment carrying capacity / sci-technology innovation ability / influencing factors / adaptation characteristics

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基金资助

河北省创新能力提升计划项目软科学研究专项(22554204D)

河北省自然科学基金(D2021205010)

河北师范大学科研基金(L2023K03)