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North Fork Battle |
Topic |
Sediment: Median Particle Size (D50) at NF Battle WA Sites |
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Caption: This chart shows the median particle size (D50) from pebble counts at mainstem North Fork Battle Creek Watershed Assessment aquatic monitoring sites. Site #059 was not sampled for D50. The reference lines on the chart are the EMDS model limits for D50 that represent optimal particle size ranges for salmonids and three sites (#055, #035, and #011) are partially functional according to EMDS criteria. Most NF Battle WA sites in response reaches (light blue) had mostly small D50. Site #025 and #057 had D50 over the size recognized as functional by EMDS. Abbreviations are ds = downstream and ab = above. Data from Terraqua (2004). See Info Links for more information.
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