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Mainstem |
Topic |
Habitat: Embeddedness at Pool Tails in Mainstem Navarro Sub-basin 1996 |
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Caption: The chart shows that embeddedness values varied greatly among pool tails surveyed in the mainstem Navarro River sub-basin. Embeddedness is a measure of spawning gravel quality with values of less than 25% optimal for salmonid spawning (CDFG, 1998). Meyer Gulch and Black Rock Creek contained the largest percentage of embeddedness described as optimal. Some streams like Hungry Hollow had values of greater than 50% and 75% for most sites measured, and would be poor spawning habitat. Gravel in Mustard Gulch is listed as unsuitable, a category recently added by CDFG which could signify a bedrock or a condition like a complete silt or sand bottom. Streams in the chart are sorted by Strahler order, with larger streams at the top. See Info Links for more information.
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Info Links .
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hab_mstem_embed_dfg.dbf (size 5,884 bytes) .
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hab_nav_dfg.db (size 18,432 bytes)