Appendix 4
Table 4 .1 -1. Aquatic communities and ecoregion associations.
Coastal Plain
Mountains Piedmont Sandhills
TEMPERATURE REGIMES
Coldwater Systems (<20°C or <68°F)
X
X
Coolwater Systems (20 ꟷ25°C or 68 ꟷ77▫F)
X
X
Warmwater Systems (>25°C or >77°F)
X
X
X
X
AQUATIC COMMUNITIES
Groundwater, Springs, Subterranean Water
X
X
X
X
Headwaters/Small Creek Communities (<40 sq.mi. or <104 sq.km. DA) Large Creeks/Small River Communities (40–200 sq.mi. or 104ꟷ518 sq.km. DA) Medium River Communities (200–3,800 sq.mi. or 518ꟷ9,842 sq.km. DA)
X
X
X
X
X
X
X
X
X
X
X
X
Large River Communities (>3,800 sq.mi. or >9,842 sq.km. DA)
X
Stream Swamp Systems
X
Natural Lakes
X
Reservoirs & Impoundments
X
X
X
X
Estuarine Aquatic Communities
X
2025 NC Wildlife Action Plan
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