HydroBASINS lev08 watershed · #7080689970
Bassin de Waccamaw 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 1 administrative regions : Horry
Sub-basin area
46,7km²
Upstream area
4 198,8km²
Discharge
58,65m³/s
Mean elev.
-1m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Waccamaw River1348 km²
- Bassin de Socastee Swamp238 km²
1 dept-equivalent regions (GADM L2)
- 46.7 km²100.0% of basin
1 intersecting protected areas
Lower Rio Grande Valley
IUCN VNational Wildlife Refuge
2.32 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
450 distinct species · 43 413 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Waccamaw River : 31 espèces reliées par 93 interactions GloBI sur 4 types (connectance 10.3%, filtre Serrano α=0.2). 12 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°
17,5°C
Annual rain
1 304mm
Moisture idx (CMI)
0,00
Runoff
447mm/an
PET
1 308mm
AET
1 074mm
Mean slope
0,0°
Water table
1cm
Forest
93%
Crops
4%
Urban
15%
Protected
63%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)