HydroBASINS lev08 watershed · #7080599960
Bassin de Saint Francis 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 5 administrative regions : Iron, Madison, Saint Francois, Sainte Genevieve, Washington
Sub-basin area
893,1km²
Upstream area
893,3km²
Discharge
8,32m³/s
Mean elev.
312m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 467.9 km²52.4% of basin
- Iron203.5 km²22.8% of basin
- Madison160.9 km²18.0% of basin
- 58.6 km²6.6% of basin
- Washington2.7 km²0.3% of basin
20 intersecting protected areas
Saint Joe
IUCN VState Park
10.91 km² overlap
Bismarck
IUCN VConservation Area
4.69 km² overlap
Millstream Gardens
IUCN VConservation Area
3.87 km² overlap
Taum Sauk Mountain
IUCN IIIState Park
2.35 km² overlap
Buford Mountain
IUCN VConservation Area
2.33 km² overlap
Saint Francois Mountains
IUCN VNatural Area
0.73 km² overlap
Elephant Rocks
IUCN IIIState Park
0.52 km² overlap
Buck Mountain
IUCN VNatural Area
0.48 km² overlap
Cedar Mountain
IUCN VConservation Area
0.48 km² overlap
11 more protected areassorted by overlap area
Pilot Knob
IUCN IVNational Wildlife Refuge
0.39 km² overlap
Buck Mountain
IUCN VConservation Area
0.35 km² overlap
Ketcherside Mountain
IUCN VConservation Area
0.33 km² overlap
Knob Lick Towersite
IUCN VState Conservation Area or Park
0.32 km² overlap
Fort Davidson
IUCN IIIState Historic Site
0.28 km² overlap
Saint Francis River
IUCN VNatural Area
0.17 km² overlap
Syenite
IUCN VAccess
0.12 km² overlap
Roselle
IUCN VAccess
0.10 km² overlap
Elephant Rocks
IUCN VNatural Area
0.04 km² overlap
Gruner Ford
IUCN VAccess
0.02 km² overlap
Stono Mountain Towersite
IUCN VState Conservation Area or Park
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 371 distinct species · 54 080 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Saint Francis River : 26 espèces reliées par 93 interactions GloBI sur 4 types (connectance 12.6%, 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°
12,5°C
Annual rain
1 110mm
Moisture idx (CMI)
-0,08
Runoff
298mm/an
PET
1 209mm
AET
903mm
Mean slope
3,7°
Water table
255cm
Forest
76%
Crops
22%
Urban
2%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)