| Area | Basin-wide/Regional |
| Topic | Sediment: D50 Values, Mattole Basin, 1992 & 2001 |
The map above shows the five Knopp study sites from the Mattole River. Knopp (1993) collected data on the amount of fine sediment in pools, pebble counts, large wood and pool frequency statistics for 60 northcoast streams. Each reach is 1000 meters long.
Click on image to enlarge (115K).
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