Area	South Fork Big River
Topic	Sediment: Gravel Permeability from Daugherty Creek 2000

 

Caption:  This chart illustrates that gravel permeability in the year 2000 in Daugherty Creek was very low and led to low predicted survival indices suggesting poor habitat quality in this stream segment. Even the best tail-out sites have predicted survival indices of less than 30%. High permeability indicates favorable conditions for incubating salmon eggs and alevins. The red markers display estimated index values for percent egg-to-fry survival. This calculated index for survival has had very limited testing. Data from Mendocino Redwood Company. Individual measurements from each grid location were averaged and used as independent data points for this summary. See Info Links for more information. Click on Picture for a map of MRC study segment locations. Click on Chart Table to view the data.

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To learn more about this topic click here .
To view the table with the chart's data, click Chart Table web page.
To download the table with the chart's data, click mrc_perm_daugherty.dbf (size 418 bytes) .
To see meta information about the data table used for this topic click here
To view the table with the chart's source data, click Source Table web page.
To download the table with the chart's source data, click mrc_perm_source.dbf (size 10,008 bytes)
 
 

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