HydroBASINS lev08 watershed · #7080589890
Bassin de Mississippi 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 6 administrative regions : Jefferson, Monroe, Randolph, Saint Francois, Saint Louis +1
Sub-basin area
2 179,9km²
Upstream area
1 786 839,5km²
Discharge
6 560,39m³/s
Mean elev.
182m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Mississippi River1356 km²
- Bassin de Meramec River491 km²
6 dept-equivalent regions (GADM L2)
- Jefferson855.1 km²39.2% of basin
- 565.9 km²25.9% of basin
- Monroe530.5 km²24.3% of basin
- Randolph145.9 km²6.7% of basin
- 83.9 km²3.8% of basin
- Saint Louis0.0 km²0.0% of basin
30 intersecting protected areas
Magnolia Hollow
IUCN VConservation Area
7.03 km² overlap
Middle Mississippi River
IUCN IVNational Wildlife Refuge
5.06 km² overlap
Reserve Program
4.41 km² overlap
Mississippi River
IUCN VConservation Area
4.14 km² overlap
Renault Cave System
IUCN VConservation Area
3.99 km² overlap
Hickory Canyons
IUCN VNatural Area
3.95 km² overlap
Reserve Program
3.91 km² overlap
Fults Hill Prairie
IUCN VState Natural Area
3.28 km² overlap
Reserve Program
3.05 km² overlap
21 more protected areassorted by overlap area
Madonnaville Cave
IUCN VConservation Area
2.05 km² overlap
Potato Hill
IUCN VNatural Area
2.02 km² overlap
Reserve
1.98 km² overlap
Conservation Area
1.81 km² overlap
Mastodon
IUCN IIIState Historic Site
1.71 km² overlap
Sandy Creek Covered Bridge
IUCN IIIState Historic Site
1.02 km² overlap
Angela's Prairie
IUCN VLand And Water Reserve
0.98 km² overlap
Victoria Glades
IUCN VConservation Area
0.98 km² overlap
Victoria Glades Ca
IUCN IIILocal Park
0.98 km² overlap
Reserve Program
0.85 km² overlap
Saltpeter Cave Area
IUCN VConservation Area
0.64 km² overlap
Conservation Area
0.61 km² overlap
Land And Water Reserve
0.61 km² overlap
Victoria Glade Fee
IUCN VPrivate Conservation Land
0.45 km² overlap
Miles Prairie
IUCN VConservation Area
0.39 km² overlap
Columbia Hill Prairie
IUCN VConservation Area
0.34 km² overlap
Camp Vandeventer
IUCN VNatural Area
0.34 km² overlap
Wildlife Area
0.31 km² overlap
Reserve Program
0.28 km² overlap
Conservation Area
0.27 km² overlap
Renault He
IUCN VConservation Area
0.26 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 717 distinct species · 230 643 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Mississippi River : 26 espèces reliées par 74 interactions GloBI sur 4 types (connectance 11.7%, filtre Serrano α=0.2). 10 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°
12,6°C
Annual rain
1 026mm
Moisture idx (CMI)
-0,15
Runoff
242mm/an
PET
1 201mm
AET
858mm
Mean slope
3,1°
Water table
198cm
Forest
54%
Crops
37%
Urban
4%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)