HydroBASINS lev08 watershed · #7080459560
Bassin de Wisconsin 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 : Columbia, Dane, Sauk
Sub-basin area
870,4km²
Upstream area
24 181km²
Discharge
231,05m³/s
Mean elev.
283m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Baraboo River1662 km²
- Bassin de Wisconsin River1009 km²
3 dept-equivalent regions (GADM L2)
- Columbia535.5 km²61.4% of basin
- 194.0 km²22.2% of basin
- 142.5 km²16.3% of basin
15 intersecting protected areas
Riverway
14.09 km² overlap
Lower Wisconsin Riverway
IUCN IaWetland of International Importance (Ramsar Site)
10.50 km² overlap
Wildlife Area
9.24 km² overlap
Lodi Marsh
IUCN VWildlife Area
4.56 km² overlap
Dane County
IUCN Not AssignedConservation Easement
1.74 km² overlap
Scattered Wildlife
IUCN VWildlife Area
1.12 km² overlap
Baraboo Hills Fee
IUCN VPrivate Conservation Land
0.69 km² overlap
Walking Iron - 7A Farms
IUCN Not AssignedConservation Area
0.41 km² overlap
Reserve Program
0.37 km² overlap
6 more protected areassorted by overlap area
Natural Heritage Land Trust Easement #
IUCN Not AssignedEasement
0.17 km² overlap
Watershed Protection
0.08 km² overlap
Parfreys Glen
IUCN VNatural Area
0.08 km² overlap
Mud Lake
IUCN VWildlife Area
0.03 km² overlap
Statewide Habitat Areas
IUCN VHabitat Area
0.02 km² overlap
Lodi Marsh
IUCN Not AssignedWildlife Area
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 793 distinct species · 339 644 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Wisconsin River : 29 espèces reliées par 68 interactions GloBI sur 3 types (connectance 10.8%, 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°
7,4°C
Annual rain
804mm
Moisture idx (CMI)
-0,15
Runoff
313mm/an
PET
943mm
AET
679mm
Mean slope
2,8°
Water table
150cm
Forest
52%
Crops
37%
Urban
1%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)