HydroBASINS lev08 watershed · #7080724080
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 : Claiborne, Tensas
Sub-basin area
353,3km²
Upstream area
2 924 691,3km²
Discharge
19 160,92m³/s
Mean elev.
26m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Big Black River709 km²
- Bassin de Mississippi River614 km²
2 dept-equivalent regions (GADM L2)
- 289.3 km²81.9% of basin
- Claiborne63.8 km²18.1% of basin
4 intersecting protected areas
Reserve Program
11.06 km² overlap
Reserve Program
0.51 km² overlap
Watershed Protection
0.28 km² overlap
Lake Bruin
IUCN IIIState Park
0.22 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
757 distinct species · 5 821 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 : 30 espèces reliées par 85 interactions GloBI sur 4 types (connectance 10.9%, 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°
18,4°C
Annual rain
1 412mm
Moisture idx (CMI)
-0,02
Runoff
690mm/an
PET
1 446mm
AET
1 073mm
Mean slope
0,5°
Water table
28cm
Forest
45%
Crops
36%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)