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North Fork Garcia |
Topic |
Sediment: NF Garcia - Percent Fines <5.6 mm, McBain&Trush 1999 |
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Caption: This chart shows cumulative percent substrate less than 5.6 mm for the North Fork Garcia in 1999 based on dry-sieve sampling data from McBain and Trush (2000). The Garcia TMDL threshold of 30% for sediment less than 6.4 mm refers to wet sieve samples. To make wet and dry samples comparable, the reference value shown is adjusted to 26% by the IFR KRIS project using methods of Shirazi and Seim (1979). Levels of sand and fine gravel indicate slightly impaired salmonid spawning habitat conditions at three of six sites measured. See InfoLinks for more information.
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sed_nf_mcbaintrush.dbf (size 1,912 bytes) .
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sed_mcbain_site.dbf (size 16,039 bytes)