HydroBASINS lev08 watershed · #7080436620

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 : Buffalo, Winona

20% lakePfafstetter: 74287577

Sub-basin area

73,6km²

Upstream area

152 972,9km²

Discharge

963,4m³/s

Mean elev.

249m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Pap Slough10 km²

▲ Receives from 2 basins

Bassin de South Fork Whitewater River961 km²
Bassin de Mississippi River103 km²

2 dept-equivalent regions (GADM L2)

Winona
Minnesota · United States
40.5 km²
54.9% of basin
Buffalo
Wisconsin · United States
33.3 km²
45.1% of basin

8 intersecting protected areas

Upper Mississippi River Floodplain Wetlands
IUCN IV
Wetland of International Importance (Ramsar Site)
15.65 km² overlap
Whitman Dam
IUCN V
Wildlife Area
8.49 km² overlap
Upper Mississippi River National
IUCN IV
Wildlife And Fish Refuge
1.73 km² overlap
Statewide
IUCN V
Wildlife Habitat
1.12 km² overlap
Thorpe
IUCN V
State Wildlife Management Area
0.58 km² overlap
Merrick
IUCN Not Assigned
State Park
0.54 km² overlap
Upper Mississippi River National
IUCN IV
Wildlife And Fish Refuge
0.33 km² overlap
Upper Mississippi River National Wildlife and Fish Refuge - Winona District
IUCN IV
Refuge
0.18 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

565 distinct species · 4 159 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 43 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Mississippi River : 35 espèces reliées par 83 interactions GloBI sur 4 types (connectance 9.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.092

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

7,1°C

Annual rain

817mm

Moisture idx (CMI)

-0,14

Runoff

264mm/an

PET

956mm

AET

692mm

Mean slope

4,4°

Water table

176cm

Forest

62%

Crops

36%

Urban

Protected

42%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)