中国多区域生产消费方式转型对珠江流域用水的影响

钟秋萌; 邓梓君; 梁雨晗; 李慧; 梁赛

doi:10.13205/j.hjgc.202404009

中国多区域生产消费方式转型对珠江流域用水的影响

doi: 10.13205/j.hjgc.202404009

1.广东工业大学生态环境与资源学院广东省高等学校湾区生态安全与绿色发展基础研究卓越中心大湾区城市环境安全与绿色发展教育部重点实验室,广州 510006;
2.北京师范大学环境学院环境模拟与污染控制国家重点联合实验室,北京 100875

基金项目:

广东省基础与应用基础研究基金项目(2019A1515110816)

广东省"珠江人才计划"引进创新创业团队项目(2019ZT08L213)

国家重点研发计划项目(2022YFC3202201)

详细信息

作者简介:
钟秋萌(1996-),女,博士生,主要研究方向为可持续食物系统分析。qiumeng.zhong@outlook.com

通讯作者:
梁赛(1984-),男,教授,主要研究方向为环境系统分析。liangsai@gdut.edu.cn

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出版历程
- 收稿日期: 2023-02-13
- 网络出版日期: 2024-06-01

EFFECTS OF CHINA’S MULTI-REGIONAL TRANSITIONS OF PRODUCTION AND CONSUMPTION PATTERNS ON WATER USE IN THE PEARL RIVER BASIN

1. Guangdong Basic Research Center of Excellence for Ecological Security and Green Development in Guangdong-Hong Kong-Macao Greater Bay Area (GBA),Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology,Guangzhou 510006, China;
2. State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University,Beijing 100875, China

摘要

摘要: 社会经济系统与流域水系统构成了流域复合生态系统,探究了流域内外生产消费方式转型对流域用水量的影响可为流域复合生态系统的水资源管理提供新思路。以珠江流域复合生态系统为例,基于环境投入产出模型和结构分解分析追踪了2007—2017年中国多区域生产消费方式转型对珠江流域用水的影响。结果表明:流域外最终需求驱动了珠江流域20%~23%的用水,且流域外生产消费方式转型对珠江流域用水量的贡献不容忽略。浙江、河北等地对珠江流域用水增量贡献较大;上海、北京对流域用水减量贡献超过流域内除广西和广东外的其他省份,主要归因于最终需求结构优化。用水强度降低是促进流域用水量减少的重要因素。然而,除通过生产侧节水措施降低流域内用水强度外,亟须突破以末端控制为主的水资源管理思路,从多区域复合生态系统视角关注流域内外各地区的协同生产消费方式转型,同时从需求侧调控带动全产业链节水。
- 投入产出分析 /
- 结构分解分析 /
- 珠江流域 /
- 最终需求
Abstract: The basin compound ecosystem consists of the socioeconomic system and natural water system. Exploring the effects of production and consumption pattern transitions within and outside the basin on water uses in the basin can provide new insights into water resource management of the basin compound ecosystem. Based on the environmentally extended multi-regional input-output model and structural decomposition analysis, this study investigated the effects of China’s multi-regional transitions of production and consumption patterns on water use changes in the Pearl River Basin from 2007 to 2017. Results showed that the final demand from outside the basin drove 20% to 23% of water use in the Pearl River Basin. Zhejiang and Hebei contributed significantly to the water use increments in the Pearl River Basin. In contrast, Shanghai and Beijing were vital in reducing water use. These two provinces contributed even more than those within the basin (except for Guangxi and Guangdong), mainly attributed to their optimizations of the final demand structure. The decline in water use intensity is a critical factor contributing to the water use reductions in the Pearl River Basin. However, in addition to improving water use efficiency within the basin, it is urgent to break through the end-of-pipe control-oriented approach for water resource management. This study proposed that water resource management in the Pearl River Basin should take a multi-regional compound ecosystem perspective. Policymakers should pay attention to collaborative transitions of production and consumption patterns of both in-basin and out-of-basin regions, and reduce water uses of the whole supply chain from the demand perspective.
- input-output analysis /
- structural decomposition analysis /
- the Pearl River Basin /
- final demand

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