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Disconnected RiversLinking Rivers to Landscapes$
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Ellen Wohl

Print publication date: 2004

Print ISBN-13: 9780300103328

Published to Yale Scholarship Online: October 2013

DOI: 10.12987/yale/9780300103328.001.0001

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Trying to Do the Right Thing

Trying to Do the Right Thing

Rehabilitation Impacts

(p.222) Chapter 6 Trying to Do the Right Thing
Disconnected Rivers

Ellen E. Wohl

Yale University Press

This chapter focuses on the restoration and rehabilitation of rivers. When applied to rivers, restoration is strictly defined as a return to a close approximation of the river condition before disturbance. Rehabilitation refers to improvements in condition that do not attempt any return to predisturbance conditions. Restoration includes both river form and function, whereas rehabilitation may focus on river form. River rehabilitation is undertaken for many reasons. Sometimes the intent of rehabilitation is to reduce channel erosion in order to improve water quality or control eroding banks threatening structures or causing property loss. The chapter discusses how the intent of a river rehabilitation project is often to improve the aquatic or riverside habitat for a particular species. This may present special challenges in that it is difficult to quantify the habitat needs of a species.

Keywords:   river restoration, river rehabilitation, water quality, species, habitat

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