V 



E 

 G 

 E 

 T 

 A 

 T 

 I 



O 

 N 



OBL, FACW, AND/OR FAC 



SPECIES COMPRISE >50% 



OF THE DOMINANTS 



OR 



PLANT COMMUNITY HAS 



A PREVALENCE INDEX <3.0 



DOMINANCE METHOD 



USED TO ANALYZE 



VEGETATION 



YES 



YES 



NO 



PLArfTCOMMUNrTY 



HAS A PREVALENCE INDEX 



^3.0ANDs3j 



OBL, FACW, AND/OR FAC 



COMPRISE £25% AND s50% OF 



DOMINANT PLANT SPECIES 



OH 



PLANT COMMUNITY HAS 



A PREVALENCE INDEX 



>3.5ANDs4.0 



HVDRIC SOB. PRESENT 



(•.g., liild Indlotor* 

 and/or toll vtrlfltd ** 

 on Hydric Soils List) 



H 

 Y 

 D 

 R 

 O 

 t 

 O 

 G 

 Y 



NO 



NONWETLAND 



YES 



HYDRIC son. PRESENT 

 (t.g., IMd Indicators 

 and/or soil variflsd as 

 on Hydrle SoHs List) 



YES 



MDICATORS OF WETLAND 

 HYDROLOOY PRESENT 



(axduding soil glaying 

 and mottling) 



NO 



AREA 



HYDROLOOICALLY 



DISTURBED 



YES 



YES 



YES 



HYDRIC SOIL PRESENT 



(e.g., flald Indicators and/or son 

 varlflsd as on Hydric Soils List) 



YES 



AREA 



HYDROLOOICALLY 



DISTURBED 



NO 



YES 



Is thara dlracl avidanca ol 

 Inundation or soil saturation 

 within 6-1S Inchas during ttia 

 growing saason (a.g., diraci 

 obsarvatlons, aarlal photoa, 

 or otiiar rallabia soureas), ara 



oxidlzad channals prasant 

 along IMng roots and rhizomas, 



or ara watar-stalnad loavas 



dua to inundation prasant? 



YES 



Figure 1. Composite ol Conceptual Approaches for Making an 

 Onsite Jurisdictional Wetland Detennination. 

 (CAUTION: This is NOT a Decision Matrix for Making 

 a Wetland Determination.) 



25 



