Dickerson Creek Wetland and Stream Characterization Report
Dickerson Creek Wetland and Stream Characterization Report
Dickerson Creek Wetland and Stream Characterization Report
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WETLAND DETERMINATION DATA FORM - Western Mountains, Valleys, <strong>and</strong> Coast Region<br />
Project/Site: <strong>Dickerson</strong> <strong>Creek</strong> Fish Passage Culvert<br />
City/County: Kitsap<br />
Sampling Date: 7/26/2011<br />
Replacements <strong>and</strong> <strong>Stream</strong> Restoration Design<br />
Applicant/Owner: Northwest Hydraulic Consultants State: WA Sampling Point: SP-1<br />
Investigator(s): D. Conlin, J. Dadisman Section/Township/Range: Sections 7 <strong>and</strong> 8 T24 R 01E<br />
L<strong>and</strong>form (hillslope, terrace, etc.): Terrace Local Relief (concave, convex, none): Flat Slope (%): n/a<br />
Subregion (LLR): A Lat: Long: Datum:<br />
Soil Map Unit Name: Kitsap silt loam, 2 to 8 percent slopes NWI Classification: none<br />
Are climatic/hydrologic conditions on the site typical for this time of year?<br />
Yes<br />
No<br />
(if no, explain in Remarks.)<br />
Are Vegetation Soil Hydrology significantly disturbed? Are "normal circumstances" present?<br />
Are Vegetation<br />
Soil Hydrology naturally problematic? (if needed, explain any answers in Remarks.)<br />
Yes<br />
No<br />
SUMMARY OF FINDINGS<br />
Hydrophytic Vegetation Present?<br />
Hydric Soil Present?<br />
Welt<strong>and</strong> Hydrology Present?<br />
Yes<br />
Yes<br />
Yes<br />
No<br />
No<br />
No<br />
Is the sampled area within a<br />
<strong>Wetl<strong>and</strong></strong>?<br />
Yes<br />
No<br />
Remarks:<br />
VEGETATION - Use scientific names of plants.<br />
Tree Stratum<br />
Absolute % Dominant Indicator<br />
Cover Species? Status<br />
Dominance Test Worksheet:<br />
1. Number of dominant Species<br />
2. That are OBL, FACW, or FAC: 3 (A)<br />
3.<br />
4. Total Number of Dominant<br />
0 = Total Cover Species Across All Strata: 6 (B)<br />
Sapling/Shurb Stratum<br />
1. Black locust Robinia pseudoacacia 5 FACU Percent of dominant Species<br />
2. Himalayan blackberry Rubus discolor 10 FACU That are OBL, FACW, or FAC: 50 (A/B)<br />
3.Salmonberry Rubus spectabilis 5 FAC<br />
4. Prevalence Index Worksheet:<br />
5.<br />
Total % Cover of: Multiply by:<br />
20 = Total Cover OBL Species 0 x 1 = 0<br />
Herb Stratum FACW Species 35 x 2 = 70<br />
1. Creeping buttercup Ranunculus repens 35 FACW FAC Species 20 x 3 = 60<br />
2. Herb Robert Geranium robertinaum 5 UPL FACU Species 35 x 4 = 140<br />
3. Field horsetail Equisetum arvense 15 FAC UPL Species 5 x 5 = 25<br />
4. Japanese knotweed Polygonum spp. 20 FACU Column Totals: 95 (A) 295 (B)<br />
5.<br />
6. Prevalence Index = B/A =<br />
3.11<br />
7.<br />
8. Hydrophytic Vegetation Indicators:<br />
9. 1 - Rapid Test for Hydrophytic Vegetation<br />
10. 2 - Dominance Test is >50%<br />
11. 3 - Prevalence Index is ≤3.0 1<br />
75 = Total Cover 4 - Morphological Adaptations 1 (provide supporting data in<br />
Woody Vine Stratum<br />
Remarks or on a separate sheet.<br />
1. 5 - <strong>Wetl<strong>and</strong></strong> Non-Vascular Plants 1<br />
2. Problem Hydrophytic Vegetation (Explain)<br />
0 = Total Cover<br />
1 Indicators of hydric soil <strong>and</strong> wetl<strong>and</strong> hydrology must be present,<br />
% Bare Ground in Herb Stratum<br />
unless disturbed or problematic.<br />
Remarks:<br />
Hydrophytic Vegetation Present?<br />
Yes<br />
No
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