Area	South Fork
Topic	Habitat Typing: SF Noyo River Embeddedness

 

Caption:  Gravel embeddedness is a measure of gravel quality at potential salmonid spawning sites taken ocularly during habitat typing surveys. Embeddedness is the degree to which substrate in pool tail crests are buried. Optimal spawning habitat according to CDFG (1998) is less than 25% embedded (see InfoLinks). The South Fork Noyo River had optimal spawning habitat conditions at 27% of pool tail crests measured. Embeddedness is far less useful for determining gravel suitability and trends than quantitative methods such as McNeil samples. The length of the survey was 54,134 feet or 10.3 miles. Data collected by Georgia Pacific and the California Conservation Corp and supplied for use in KRIS by the California Department of Fish and Game, Sacramento, CA.

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