System 



Subsystem 



Class 



go 

 E- 

 < 



5 

 < 



OS 



w 



E- 

 < 



63" 



63 



Q 



Q 



z 



< 



CO 



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 Z 

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63 



- Marine - 



-Subtidal- 



• Intertidal - 



-Estuarine- 



-Subtidal- 



- Intertidal - 



— Riverine - 



- Tidal - 



- Lower Perennial - 



-Upper Perennial - 



-Intermittent - 



-Lacustrine- 



- Limnetic ■ 



- Littoral - 



I — Palustrine- 



— Rock Bottom 



— Unconsolidated Bottom 



— Aquatic Bed 

 I— Reef 



— Aquatic Bed 



— Reef 



— Rocky Shore 



— Unconsolidated Shore 



-Rock Bottom 

 -Unconsolidated Bottom 

 -Aquatic Bed 

 -Reef 



• Aquatic Bed 

 -Reef 



- Streambed 



- Rocky Shore 



- Unconsolidated Shore 



- Emergent Wetland 



- Scrub-Shrub Wetland 



- Forested Wetland 



- Rock Bottom 



- Unconsolidated Bottom 



- Aquatic Bed 



- Rocky Shore 



- Unconsolidated Shore 



- Emergent Wetland 



-Rock Bottom 



- Unconsolidated Bottom 

 -Aquatic Bed 



-Rocky Shore 



- Unconsolidated Shore 



- Emergent Wetland 



- Rock Bottom 

 -Unconsolidated Bottom 



- Aquatic Bed 



- Rocky Shore 

 -Unconsolidated Shore 



-Streambed 



ERock Bottom 

 Unconsolidated Bottom 

 Aquatic Bed 



-Rock Bottom 

 -Unconsolidated Bottom 

 -Aquatic Bed 



- Rocky Shore 



- Unconsolidated Shore 



- Emergent Wetland 



-Rock Bottom 



- Unconsolidated Bottom 

 -Aquatic Bed 

 -Unconsolidated Shore 



- Moss-Lichen Wetland 

 -Emergent Wetland 

 -Scrub-Shrub Wetland 



- Forested Wetland 



Fig. 1. Classification hierarchy of wetlands and deepwater habitats, showing systems, subsystems, and classes. The Palus- 

 trine System does not include deepwater habitats. 



