NDLI: A method of catchments health assessment under value-pressure model and its application in urbanized river network area: A case study in Shanghai, China

Content Provider	Springer Nature Link
Author	Yuan, Wen Yang, Kai
Copyright Year	2011
Abstract	Catchments health assessment is fundamental to effective catchments management. Generally, an assessment method should be selected to reflect both the purpose of assessment and local characteristics. A trial in Shanghai was conducted to test the method for catchments health assessment in urbanized river network area. Seven indicators that described four dimensions of river, river network, land use and function, and local feature were used to assess catchments values; while possible change rate of urbanization and industrialization in the next 3 years were chosen for catchments pressure assessment in the value-pressure model. Factors related to catchments classification, indicators measurement and protection priority have been considered in the development strategies for catchments health management. The results showed that value-pressure assessment was applicable in urbanized catchments health management, particularly when both human and catchments had multiple demands. As a result of over 30-year rapid urbanization, more than 70% of Shanghai river network area was still in a healthy condition with high catchments values, among them, 39.3% was under high pressure. Poor water quality, simplified river system and weakened local feature of river pattern had largely affected catchments health in Shanghai. Lack of long-term monitoring data would seriously restrict the development and validity of catchments health assessment.
Starting Page	102
Ending Page	109
Page Count	8
File Format	PDF
ISSN	10020063
Journal	Chinese Geographical Science
Volume Number	21
Issue Number	1
e-ISSN	1993064X
Language	English
Publisher	SP Science Press
Publisher Date	2010-10-29
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	catchments health assessment value-pressure model river network area Shanghai Geography (general)
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Geography, Planning and Development

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