Abstract
The rapid process of urbanization has led to water pollution, reduction of space areas and channel deposition. However, current river protection and management levels are not suitable for city development level and human demand. Therefore, these problems have not yet been solved. China is still in an era of rapid urbanization, which means that the influence of urbanization in rivers will increase in the future—and the task of river protection and management will be more arduous. In order to meet the challenges and opportunities brought by urbanization and promote the sustainable use and management of river, this study puts forward relevant suggestions on river protection and management, such as river management mechanisms, economic incentive instruments, technical support, transformation of development concepts, improving laws, regulations and policies and stimulating public participation.
Highlights
China is one of the countries with the most rivers in the world
River encroached and river spatial range is reducing with the area of urban commercial district, road traffic land is being encroached and river spatial range is reducing with the area of urban commercial and river engineering facilities expanding gradually, so the surface water ratio is inversely proportional district, road traffic and river engineering facilities expanding gradually, so the surface water ratio is to indicators of urbanization [27,28]
Before the 1980s, the problems related to river were not prominent, so there were fewer policies and regulations related to river management
Summary
China is one of the countries with the most rivers in the world. There are many great rivers with a long history in China, of which there are more than 2000 rivers with a basin area over 1000 km and about 45,200 rivers with a basin area over 500 km (Figure 1) [1]. [12,13].ofInrivers, the accelerating phase in China, these In problems aretomore prominent, which urban have surface runoff has increased the load of nutrients, metals and pesticides due to urban and affected the normal development and use of rivers and become the bottleneck of urban industrial emissions. These changes have caused the process of river ecosystems to be affected byhigher development[14,15].
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