HydroBASINS lev08 watershed · #7080679630
Bassin de Great Pee Dee River
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 4 administrative regions : Dillon, Florence, Marion, Marlboro
Sub-basin area
376,8km²
Upstream area
23 105,7km²
Discharge
317,64m³/s
Mean elev.
14m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Great Pee Dee River1481 km²
- Bassin de Black Creek1179 km²
4 dept-equivalent regions (GADM L2)
- Marion155.5 km²41.3% of basin
- 104.3 km²27.7% of basin
- 91.3 km²24.2% of basin
- 25.6 km²6.8% of basin
3 intersecting protected areas
USFWS Easement, Former Fmha-Wiggins
IUCN Not AssignedEasement
0.77 km² overlap
Conservation Easement
0.72 km² overlap
Reserve Program
0.27 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
250 distinct species · 1 459 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Great Pee Dee River : 36 espèces reliées par 106 interactions GloBI sur 4 types (connectance 9.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
17,0°C
Annual rain
1 185mm
Moisture idx (CMI)
-0,14
Runoff
479mm/an
PET
1 378mm
AET
999mm
Mean slope
0,2°
Water table
10cm
Forest
63%
Crops
13%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)