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Habitat improvement techniques for aquatic fishery: application experiences at Ta-Chia River in Taiwan




Lin, Bing-Shyan, author
Yeh, Chao-Hsien, author
Lien, Hui-Pang, author
Tuan, Ching-Hao, author
Colorado State University, publisher

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With characteristics of river continuum, stream ecosystems have diverse components and environments from upstream channel to estuarine area. Therefore, the habitat requirements and composition of conservative object should be well understood before applying any improvement measure. In this paper, the causes of stream habitat changes were first illustrated with the categories and principles of habitat restoration methods. The structural restoration techniques of fish habitat improvement, including dam partial-removal, utilized by the authors for two research projects during last dozen years were then presented. Through the introductions on the project background, planning guidelines, structure design, and ecological evaluation, this paper tried to provide some effective examples of ecological engineering that ecological experts were invited for cooperation and advising.


Includes bibliographical references.
23rd annual AGU hydrology days was held on March 31 - April 2, 2003 at Colorado State University.

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fish habitat improvement
structural restoration
dam partial-removal


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