HydroBASINS lev08 watershed · #7080658070
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 2 administrative regions : Crittenden, Shelby
Sub-basin area
162,8km²
Upstream area
2 373 443,5km²
Discharge
15 344,23m³/s
Mean elev.
67m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Wolf River2059 km²
- Bassin de Mississippi River6 km²
2 dept-equivalent regions (GADM L2)
- CrittendenArkansas · United States81.8 km²50.2% of basin
- Shelby81.0 km²49.8% of basin
8 intersecting protected areas
Presidents Island
IUCN VWildlife Management Area
18.47 km² overlap
Us-Ar-30-3
IUCN Not AssignedConservation Easement
7.15 km² overlap
Us-Tn-87-5
IUCN Not AssignedConservation Easement
4.99 km² overlap
Reserve Program
2.71 km² overlap
Us-Tn-72-1
IUCN Not AssignedConservation Easement
2.54 km² overlap
Wetlands Reserve Program (WRP), Shelby, TN
IUCN Not AssignedReserve Program
1.44 km² overlap
Reserve Program
0.67 km² overlap
Mississippi River
IUCN VGreenbelt
0.26 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
647 distinct species · 29 764 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 : 21 espèces reliées par 77 interactions GloBI sur 3 types (connectance 15.5%, 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°
16,1°C
Annual rain
1 278mm
Moisture idx (CMI)
0,02
Runoff
735mm/an
PET
1 250mm
AET
950mm
Mean slope
0,6°
Water table
29cm
Forest
14%
Crops
23%
Urban
21%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)