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Plate 71. -Two habitats are shown here. Classification of darker zone (edge of water body): system Palustrine. class Emergent 

 Wetland, subclass Nonpersistent, dominance type Arctophilafulva, water REGIME Permanently Flooded, WATER chemistry 

 Fresh. Classification of lighter zone (foreground): system Palustrine, class Emergent Wetland, subclass Persistent, dominance 

 TYPE Carex aquatilis, WATER regime Seasonally Flooded, water CHEMISTRY Fresh. Marsh marigold {Caltha palustris) is also 

 present in the seasonally flooded zone. This wetland lies on coastal tundra within 2 km (1.2 mi) of the Arctic Ocean. (Between 

 Canning and Kavik Rivers, North Slope Borough, Alaska; July 1985; Photo by F. C. Golet) 



