IHB OpenIR  > 会议论文
Why watershed ecology? A new approach for research and protection of aquatic ecosystems
Cai, QH; Chen, YY; King, L
2001
Conference NameGermany/Chinese Symposium on Flood Risks and Land Use Conflicts in the Yangtze Catchment, China and at the Rhine River, Germany
Source PublicationFLOOD RISKS AND LAND USE CONFLICTS IN THE YANGTZE CATCHMENT, CHINA AND AT THE RHINE RIVER, GERMANY - STRATEGIES FOR A SUSTAINABLE FLOOD MANAGEMENT
Pages21-42
Conference DateAUG 31-SEP 02, 2000
Conference PlaceWALBERBERG, GERMANY
DepartmentChinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
Abstract(1) Watershed ecology provides a proper scale for the research on the social economy regarding the level of watershed. (2) In order to investigate a certain size of watershed on a scientific basis, it is necessary to treat it as an ecosystem. The watershed ecosystem is a social-economic-natural complex, in which the natural system is the basis, the economic system is the driving force, and the social system is the roof. (3) The scientific basis of a watershed's ecosystem is watershed ecology. Watershed ecology can be defined as a new ecological subject which regards watershed as a study unit: dynamics of information, energy and material among upland, riparian zones and waters by means of the theories and methods of modern ecology, mathematics and physics. (4) Main content and aim of watershed ecology is taking inland waters and its catchment as the study object. Research contents denote the relationship between patterns and processes of watershed ecosystems and scale coherence; searching ecosystem functions and maintaining the mechanism of watershed biodiversity; setting up mathematical models and management information systems of watershed ecosystem; providing scientific foundations for the development of rational utilization and conservation of watershed and sustainable development of the region's society and economy. (5) Rational utilization and development of water resources has a special status and importance in watershed ecosystem management; water resources should include four key elements: water quantity, water quality, water power and aquatic organisms. (6) Correct decision of watershed ecosystem management needs accurate scientific data and information. So it is very important to set up a well organized watershed management information system on the internet in order to share information, decrease cost and avoid repetition.
KeywordRiver Continuum Biodiversity Conservation Catchment Quality
Funding OrganizationDeutsch Forsch Gemeinsch, Natl Nat Sci Fdn China, Max-Planck Gesell, Chinese Acad Sci, Ctr Int Dev & Environm Res, JLU Giessen, Inst Geog, Nanjing Inst Geog & Limnol, CAS
Indexed BySCI
Language英语
Document Type会议论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/11821
Collection会议论文
Recommended Citation
GB/T 7714
Cai, QH,Chen, YY,King, L. Why watershed ecology? A new approach for research and protection of aquatic ecosystems[C],2001:21-42.
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