HydroBASINS lev08 watershed · #7080737130
Bassin de Satilla 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 : Brantley, Charlton, Pierce, Ware
Sub-basin area
844,6km²
Upstream area
3 634,7km²
Discharge
38,8m³/s
Mean elev.
43m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Satilla River437 km²
- Bassin de Satilla River146 km²
4 dept-equivalent regions (GADM L2)
- 472.6 km²56.0% of basin
- 220.8 km²26.2% of basin
- 144.6 km²17.1% of basin
- 5.9 km²0.7% of basin
8 intersecting protected areas
Dixon Memorial
IUCN VWildlife Management Area
54.41 km² overlap
King Tract
IUCN VWildlife Management Area
28.69 km² overlap
Laura Walker
IUCN IIIState Park
2.67 km² overlap
Reserve Program
1.81 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Brantley, GA
IUCN VConservation Easement
1.30 km² overlap
Okefenokee
IUCN VNational Wildlife Refuge
1.13 km² overlap
National Wildlife Refuge
0.62 km² overlap
Tremblingh Earth
IUCN VMitigation
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 188 distinct species · 11 528 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Satilla River : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 84 interactions GloBI sur 4 types (connectance 8.1%, filtre Serrano α=0.2). 13 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°
19,3°C
Annual rain
1 270mm
Moisture idx (CMI)
-0,15
Runoff
368mm/an
PET
1 498mm
AET
1 074mm
Mean slope
0,5°
Water table
31cm
Forest
68%
Crops
19%
Urban
4%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)