HydroBASINS lev08 watershed · #7080692980
Bassin de Savannah 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 : Aiken, Columbia, Edgefield, Richmond
Sub-basin area
215,3km²
Upstream area
18 690,8km²
Discharge
275,68m³/s
Mean elev.
96m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Turkey Creek1909 km²
- Bassin de Greenbrier Creek743 km²
4 dept-equivalent regions (GADM L2)
- 83.8 km²39.0% of basin
- 58.7 km²27.3% of basin
- Columbia47.2 km²21.9% of basin
- 25.5 km²11.9% of basin
4 intersecting protected areas
Augusta Ca
IUCN Not AssignedConservation Easement
0.90 km² overlap
Savannah River Bluffs
IUCN IIIHeritage Preserve
0.34 km² overlap
Merryland Tract
IUCN Not AssignedConservation Easement
0.17 km² overlap
Davison Tract
IUCN Not AssignedConservation Easement
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 708 distinct species · 144 551 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Savannah River : 25 espèces reliées par 81 interactions GloBI sur 4 types (connectance 10.9%, filtre Serrano α=0.2). 14 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°
16,9°C
Annual rain
1 175mm
Moisture idx (CMI)
-0,17
Runoff
379mm/an
PET
1 415mm
AET
987mm
Mean slope
2,0°
Water table
181cm
Forest
30%
Crops
1%
Urban
67%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)