HydroBASINS lev08 watershed · #7080485670
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 : Carroll, Dubuque, Grant, Jackson, Jo Daviess +1
Sub-basin area
2 131,2km²
Upstream area
214 349km²
Discharge
1 521,31m³/s
Mean elev.
268m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Grant River1086 km²
- Bassin de Platte River867 km²
6 dept-equivalent regions (GADM L2)
- DubuqueIowa · United States701.6 km²32.9% of basin
- 507.7 km²23.8% of basin
- Lafayette361.7 km²16.9% of basin
- JacksonIowa · United States357.2 km²16.7% of basin
- Grant205.7 km²9.6% of basin
- Carroll0.6 km²0.0% of basin
30 intersecting protected areas
Wetland of International Importance (Ramsar Site)
112.92 km² overlap
Wildlife And Fish Refuge
34.97 km² overlap
Ms Rv Pools 11-22
IUCN VRecreation Area
28.68 km² overlap
Refuge
24.91 km² overlap
Wildlife And Fish Refuge
4.18 km² overlap
Witkowsky State Fish and
IUCN VWildlife Area
3.03 km² overlap
Big Mill Creek
IUCN VWildlife Management Area
2.80 km² overlap
Mines of Spain State
IUCN VRecreation Area
2.41 km² overlap
Rem-Galena River
IUCN Not AssignedConservation Easement
2.10 km² overlap
21 more protected areassorted by overlap area
Swiss Valley
IUCN VNature Preserve
1.69 km² overlap
Wildlife And Fish Refuge
1.30 km² overlap
Apple River Canyon Land and Water
IUCN Not AssignedReserve
0.91 km² overlap
Refuge
0.67 km² overlap
Conservation Area
0.63 km² overlap
Casper Bluff Land and Water
IUCN Not AssignedReserve
0.34 km² overlap
IPC
IUCN VForest Preserve
0.33 km² overlap
Driftless Area
IUCN IVNational Wildlife Refuge
0.23 km² overlap
Rice Algific Slope
IUCN VConservation Area
0.19 km² overlap
Little Mill Creek
IUCN VWildlife Management Area
0.17 km² overlap
Bald Forty
IUCN VPreserve
0.16 km² overlap
State Preserve
0.15 km² overlap
Reserve
0.14 km² overlap
Buehler
IUCN VPreserve
0.10 km² overlap
Refuge
0.09 km² overlap
Pohlman Prairie
IUCN VLocal Conservation Area
0.05 km² overlap
Private Conservation Land
0.03 km² overlap
Reserve Program
0.03 km² overlap
Natural Area
0.01 km² overlap
Refuge
0.01 km² overlap
Private Conservation Land
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 223 distinct species · 292 663 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 : 31 espèces reliées par 76 interactions GloBI sur 3 types (connectance 10.3%, filtre Serrano α=0.2). 8 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°
8,3°C
Annual rain
879mm
Moisture idx (CMI)
-0,08
Runoff
278mm/an
PET
958mm
AET
742mm
Mean slope
3,2°
Water table
187cm
Forest
27%
Crops
44%
Urban
2%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)