24B. Soil Summary (by community type) 



Soil series: Invershiel and Meggett 



Soil classification: Spodosols 



Soil association: Invershiel-Meggett 



pH class: Frequently 7.5 or higher; localized conditions with slightly 



acidic soils or acidic surface horizons, seldom lower than pH of 6. 



Moisture class: Well drained to poorly drained 



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



(1972) . 



24C. Hydrology Summary (by community type) 

 Hydrologic system: Palustrine 

 Hydrologic subsystem: Interaqueous 

 Water chemistry: Fresh 

 Water regime: Saturated 



Drainage class: Somewhat poorly drained 

 Drainage basin: Northeast Cape Fear River 



Hydrology characterization: Somewhat poorly drained flat to gently 

 sloping savanna over calcareous substrates of the Invershiel-Meggett 

 soil association. 



24D. Topography Summary 



Landform: Terrace; flat 



Shelter: Open 



Aspect: None 



Slope Angle: Nearly level with slight slope to the south (0-2°) 



Profile: Flat 



Surface patterns: Nearly smooth 



Position: Not applicable 



25. Physiographic characterization of natural area: A fire-maintained 

 climax community of a basic psammosere on a flat to gently sloping 

 terrace of Sandy Run Swamp, a tributary of the Northeast Cape Fear 

 River. The terrace is underlain by Eocene Castle Hayne limestone 

 in the Coastal Plain province of the Atlantic Plain. 

 Geological Formation: Eocene Castle Hayne limestone 

 Geological Formation age: 40-50 million years 



26. Summary - Endangered and threatened species 



(1) Name of species: Dionaea muscipula (DIONAEACEAE) Venus' fly-trap 

 Species legal status and authority: NC threatened endemic, exploited 

 (Cooper et al. 1977) 

 Number of populations on site: 1 



Number of individuals per population: several hundred 

 Size or maturity of individuals: Various; immature to mature 

 Phenology of population: Vegetative: 60%; Flowering: 40%; Fruiting: 

 not determined 



General vigor of population: Very vigorous 



Disturbance or threats to population: Limestone mining, local collecting 

 Habitat characteristics: 



Plant community: Longleaf pine savanna 



82 



