HydroBASINS lev08 watershed · #7080043400
Bassin de Chehaw 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 2 administrative regions : Beaufort, Colleton
Sub-basin area
240,2km²
Upstream area
3 335,3km²
Discharge
39,05m³/s
Mean elev.
8m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Combahee River245 km²
- Bassin de Folly Creek136 km²
2 dept-equivalent regions (GADM L2)
- 181.2 km²75.5% of basin
- Beaufort58.8 km²24.5% of basin
18 intersecting protected areas
Marine Protected Area
68.17 km² overlap
Us-Sc-1-6
IUCN Not AssignedConservation Easement
51.13 km² overlap
Donnelley
IUCN VWildlife Management Area
28.54 km² overlap
Wildlife Management Area
19.77 km² overlap
Marine Protected Area
9.25 km² overlap
Us-Sc-1-61
IUCN Not AssignedConservation Easement
7.56 km² overlap
Us-Sc-1-11
IUCN Not AssignedConservation Easement
6.54 km² overlap
Us-Sc-1-53
IUCN Not AssignedConservation Easement
4.66 km² overlap
Us-Sc-1-56
IUCN Not AssignedConservation Easement
3.32 km² overlap
9 more protected areassorted by overlap area
Us-Sc-1-12
IUCN Not AssignedConservation Easement
1.39 km² overlap
Wildlife Management Area
0.71 km² overlap
Us-Sc-1-7
IUCN Not AssignedConservation Easement
0.65 km² overlap
Us-Sc-1-4
IUCN Not AssignedConservation Easement
0.36 km² overlap
Us-Sc-1-8
IUCN Not AssignedConservation Easement
0.09 km² overlap
Us-Sc-1-29
IUCN Not AssignedConservation Easement
0.09 km² overlap
Us-Sc-1-13
IUCN Not AssignedConservation Easement
0.06 km² overlap
Ernest F. Hollings Ace Basin
IUCN IVNational Wildlife Refuge
0.00 km² overlap
Marine Protected Area
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
988 distinct species · 245 321 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Chehaw River : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 3 types (connectance 7.8%, 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°
18,3°C
Annual rain
1 277mm
Moisture idx (CMI)
-0,05
Runoff
328mm/an
PET
1 350mm
AET
1 079mm
Mean slope
0,7°
Water table
30cm
Forest
69%
Crops
3%
Urban
0%
Protected
42%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)