HydroBASINS lev08 watershed · #7080497320
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 3 administrative regions : Clinton, Rock Island, Whiteside
Sub-basin area
488,2km²
Upstream area
222 014,9km²
Discharge
1 578,49m³/s
Mean elev.
203m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sand Creek243 km²
- Bassin de Mississippi River28 km²
3 dept-equivalent regions (GADM L2)
- 236.7 km²48.4% of basin
- ClintonIowa · United States232.6 km²47.6% of basin
- 19.6 km²4.0% of basin
9 intersecting protected areas
Wetland of International Importance (Ramsar Site)
26.77 km² overlap
Refuge
19.92 km² overlap
Wildlife And Fish Refuge
4.80 km² overlap
Ms Rv Pools 11-22
IUCN VRecreation Area
3.44 km² overlap
Wildlife And Fish Refuge
1.40 km² overlap
Reserve Program
0.58 km² overlap
Natural Area
0.54 km² overlap
Millroad Marsh State
IUCN VHabitat Area
0.18 km² overlap
Reserve Program
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 366 distinct species · 49 967 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 : 28 espèces reliées par 60 interactions GloBI sur 3 types (connectance 10.1%, filtre Serrano α=0.2). 7 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°
9,2°C
Annual rain
900mm
Moisture idx (CMI)
-0,10
Runoff
274mm/an
PET
995mm
AET
759mm
Mean slope
1,1°
Water table
98cm
Forest
11%
Crops
64%
Urban
6%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)