NDLI: Relationships between Channel Characteristics, Woody Debris, and Fish Habitat in Northwestern Washington Streams

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Relationships between Channel Characteristics, Woody Debris, and Fish Habitat in Northwestern Washington Streams

Content Provider	Semantic Scholar
Author	Beechie, Timothy J. Sibley, Thomas H.
Copyright Year	1997
Abstract	Abstract Relationships between large woody debris (LWD) and pool area or pool spacing varied with channel slope and channel width for streams in second-growth forests in northwest Washington. Pool spacing (expressed as the number of channel widths between pools) decreased as number of woody debris increased in both moderate-slope (0.02 < slope < 0.05) and low-slope (0.001 < slope ≤ 0.02) channels, but the relationship was stronger in moderate-slope channels. Percent pool was also more strongly correlated with woody debris volume in moderate-slope channels than in low-slope channels. Multiple-regression analyses showed that pool spacing and percent pool were correlated with an interaction term between LWD abundance and channel slope, suggesting that the influence of LWD on pool formation changes with channel slope. Analysis of pool-forming mechanisms indicated that low-slope channels are less sensitive to LWD abundance because pools are formed by mechanisms other than LWD when LWD abundance is low. Size of...
Starting Page	217
Ending Page	229
Page Count	13
File Format	PDF HTM / HTML
Volume Number	126
Alternate Webpage(s)	http://www.bronxriverdata.org/puma/images/usersubmitted/repository/Relationships_between_channel_characteristics_woody_Debris.pdf
Alternate Webpage(s)	https://doi.org/10.1577/1548-8659%281997%29126%3C0217%3ARBCCWD%3E2.3.CO%3B2
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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