Area	Middle Fork Ten Mile
Topic	Sediment: Fines <6.4 mm (CFT 5) Booth Gulch 1993-2001

 

Caption:  Percent sediment less than 6.4 mm from McNeil samples in Booth Gulch (CFT 5) in the Middle Fork Ten Mile River are displayed above for the years 1993 to 2001. Two stations (riffles) in a study reach were sampled annually. Bars represent the average of four McNeil samples at a station and whiskers represent standard deviation and 95% confidence intervals. Sand and small gravel (<6.4 mm) were over levels known to impair salmonid survival in several years, including the range of all samples in 1995, 1998, 2000 and 2001. Reference line is from Kondolf (2000) who reported 30% <6.4 mm corresponding to 50% emergence of salmonids. The 6.4 mm results shown here were interpolated from 4 mm and 8 mm data provided by Hawthorne Timber Company. See Info Links for more information.

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To download the table with the chart's source data, click mcneil_source_ten.dbf (size 414,612 bytes)
 
 

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