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Last modified
7/14/2009 5:02:35 PM
Creation date
6/1/2009 11:25:00 AM
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Template:
UCREFRP
UCREFRP Catalog Number
9461
Author
Colorado Riparian Association.
Title
Colorado Guide
USFW Year
2001.
USFW - Doc Type
Stream Corridor.
Copyright Material
NO
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Unhealthy Stream Corridors (cont.) <br />Some additional indicators of unstable stream channels <br />• Multiple shifting channels <br />• Heavy sediment load <br />• Lateral erosion <br />• Wide, shallow channel <br />• Minimal aquatic habitat <br />• Sparse riparian vegetation <br />Key points illustrated in the <br />photograph <br />• Multiple shallow channels indicate <br />excessive sediment in the channel. <br />• Aquatic habitat has been degraded <br />because water is shallower and warmer <br />than it was previously. <br />Some braided streams occur naturally, such as <br />in a glacial headwater environment, but in <br />Colorado they most often result from human <br />activities that contribute excess sediment to the <br />stream. <br />Does Stability = Health? <br />As you think about your stream's health, ask yourself these questions: <br />1. Are moving water and sediment in balance? <br />2. Is my stream accessing the floodplain? <br />3. Are the banks protected by healthy riparian vegetation with dense, bank- <br />binding roots? <br />4. Is my stream's sinuosity, gradient, or channel shape changing? <br />5. What is happening in the watershed and how is that affecting my stream? <br />6. Is my stream in balance with the surrounding environment? <br />U <br />x <br />Z <br />T <br />0 <br />21 <br />Braided Stream Channels
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