24B. Soil Summary (by community type) 



Soil series: Dorovan series in tidal region of river; Johnston and 



Lumbee soils in upper reaches of river 



Soil classification: Not determined 



Soil association: Johnston-Lumbee 



pH class: Strongly acid to medium acid 



Moisture class: Poorly drained 



Source of information: General Soil Map, Pender County, USDA, SCS, 



(1972) . 



24C. Hydrology Summary (by community type) 

 Hydrologic system: Riverine 



Hydrologic subsystem: Tidal and Lower Perrenial 

 Water chemistry: Fresh to mixosaline 



Water regime: Tidal, regularly flooded, irregularly flooded, and 

 nontidal, intermittently exposed, seasonally flooded 

 Drainage class: Poorly drained to very poorly drained 

 Drainage basin: Cape Fear River 



Hydrology characterization: Poorly to very poorly drained bottomland 

 sloughs, terraces, and bars, covered with moisture-retaining silts 

 and silty sands with water table frequently at the surface. 



24D. Topography Summary 



Landform: Riverine floodplain 



Shelter: Deeply sheltered 



Aspect: More or less easy - west 



Slope: Level to gently sloping 



Profile: Level to concave 



Surface patters: Irregularly undulating 



Position: Not applicable 



25. Physiographic characterization of natural area: A tidally flooded to 

 seasonally flooded climax community of a hydric pelosere in the 

 alluvial plain of the Black River; area underlain by Cretaceous (Pee 

 Dee formation) sands, impure limestones, marine clays and interbedded 

 sands in the Coastal Plain province of the Atlantic Plain. 

 Geological Formation: Basement formation is the Cretaceous Pee Dee 

 formation. 



Geological Formation age: 60 million years 



26. Summary - Endangered and threatened species 



(1) Name of species: Sagittaria stagnorum , sensu Godfrey & Wooten; 

 £. subulata var. gracillima sensu Radford et al. (ALISMATACEAE) 

 no common name 



Species legal status and authority: Proposed as a threatened 

 peripheral, based on locations in only Pender and Wilson Counties 

 in North Carolina. 

 Number of populations on site: 1 



Number of individuals per population: Difficult to estimate, but 

 possibly a few thousand 



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