CATEGORY IV WETLANDS 



CRITERIA : CATTCORY IV WETLANDS 



a) Is the wetland hydrologically isolated, < laae, with one vegetated class and 



dominated (>SO^c) by one native species from Table 7, ; 



N 



1 ^,J U . J - -,1 



ocu-j: 



■'cd. < t^so ac'ci, -.vith one verct.-itcd c'.jss, ar. 



90.1 of plant cover composed of species from Table 8, 



SOURCE OF INFORMATION 



See field methodology, and Tables 7 and 8 below 



Table 7. List of native species for determination of Category IV wetlands 



Small fruited bullrush 

 Hard hack 

 Cattail 



Scirpus micTOcarpus 

 Spirea douglasii 

 Typha latifolia 



JUSTIFICATION 



Category IV wetlands provide important functions including wildlife habitat, 

 groundwater recharge, water quality improvement and recreation and aesthetic values. 

 Many of these wetlands are degraded. 



DEPARTMENT OF ECOLOGY - DRAFT 



31 



