HydroBASINS lev08 watershed · #7080736110
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 : Adams, Claiborne, Concordia, Franklin, Jefferson +1
Sub-basin area
2 249,2km²
Upstream area
2 929 724,5km²
Discharge
19 308,77m³/s
Mean elev.
54m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Mississippi River353 km²
- Bassin de Bayou Pierre197 km²
6 dept-equivalent regions (GADM L2)
- Jefferson851.9 km²37.9% of basin
- Adams683.6 km²30.4% of basin
- 396.5 km²17.6% of basin
- 221.4 km²9.9% of basin
- Franklin51.4 km²2.3% of basin
- Claiborne42.7 km²1.9% of basin
16 intersecting protected areas
St. Catherine Creek
IUCN IVNational Wildlife Refuge
78.15 km² overlap
Us-Ms-92-7
IUCN Not AssignedConservation Easement
57.26 km² overlap
Us-La-108-10
IUCN Not AssignedConservation Easement
22.23 km² overlap
Reserve Program
21.80 km² overlap
Us-Ms-92-8
IUCN Not AssignedConservation Easement
16.03 km² overlap
Reserve Program
13.53 km² overlap
Us-La-108-2
IUCN Not AssignedConservation Easement
10.91 km² overlap
Reserve Program
9.05 km² overlap
Us-Ms-92-29
IUCN Not AssignedConservation Easement
5.82 km² overlap
7 more protected areassorted by overlap area
Watershed Protection
4.96 km² overlap
Us-La-108-7
IUCN Not AssignedConservation Easement
4.81 km² overlap
Bayou Cocodrie
IUCN IVNational Wildlife Refuge
2.40 km² overlap
Canemount
IUCN VState Conservation Area
1.84 km² overlap
Reserve Program
1.48 km² overlap
Us-Ms-92-4
IUCN Not AssignedConservation Easement
0.95 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Concordia, LA
IUCN Not AssignedConservation Easement
0.45 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 548 distinct species · 100 730 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 : 23 espèces reliées par 72 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 12 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°
18,5°C
Annual rain
1 485mm
Moisture idx (CMI)
0,04
Runoff
624mm/an
PET
1 427mm
AET
1 107mm
Mean slope
1,2°
Water table
75cm
Forest
76%
Crops
25%
Urban
2%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)