HydroBASINS lev08 watershed · #7080464320
Bassin de Winnebago 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 7 administrative regions : Cerro Gordo, Faribault, Floyd, Freeborn, Hancock +2
Sub-basin area
1 685,4km²
Upstream area
1 685,6km²
Discharge
15,68m³/s
Mean elev.
369m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
7 dept-equivalent regions (GADM L2)
- Cerro GordoIowa · United States655.8 km²38.8% of basin
- WinnebagoIowa · United States466.4 km²27.6% of basin
- WorthIowa · United States283.4 km²16.8% of basin
- 161.8 km²9.6% of basin
- HancockIowa · United States97.5 km²5.8% of basin
- FloydIowa · United States23.5 km²1.4% of basin
- 0.1 km²0.0% of basin
30 intersecting protected areas
Reserve Program
20.04 km² overlap
Reserve Program
5.87 km² overlap
Reserve Program
5.13 km² overlap
Reserve Program
4.50 km² overlap
Rice Lake
IUCN VWildlife Management Area
3.88 km² overlap
Worth County
IUCN VIWaterfowl Production Area
3.80 km² overlap
Ventura Marsh
IUCN VWildlife Management Area
3.24 km² overlap
Gabrielson
IUCN VWildlife Management Area
3.02 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Winnebago, IA
IUCN VConservation Easement
3.01 km² overlap
21 more protected areassorted by overlap area
Reserve Program
2.85 km² overlap
Willow Creek
IUCN VLocal Conservation Area
2.18 km² overlap
Lime Creek
IUCN VConservation Area
2.00 km² overlap
Hogsback Marsh
IUCN VWildlife Management Area
1.94 km² overlap
Harmon Lake
IUCN VWildlife Management Area
1.92 km² overlap
Brights Lake
IUCN VWildlife Management Area
1.79 km² overlap
Reserve Program
1.77 km² overlap
Watershed Protection
1.75 km² overlap
Rice Lake Area
IUCN VWildlife Management Area
1.73 km² overlap
Lande River
IUCN VConservation Area
1.71 km² overlap
Local Conservation Area
1.50 km² overlap
C. A. Block
IUCN VWildlife Area
1.27 km² overlap
Wetlands Reserve Program (WRP)
IUCN Not AssignedReserve Program
1.25 km² overlap
Wood Duck Marsh
IUCN VWildlife Management Area
1.21 km² overlap
Fossil & Prairie Park
IUCN VState Preserve
1.15 km² overlap
Cerro Gordo County
IUCN VIWaterfowl Production Area
1.12 km² overlap
Lake
0.98 km² overlap
Watershed Protection
0.97 km² overlap
Pilot Knob
IUCN VState Preserve
0.97 km² overlap
Local Conservation Area
0.94 km² overlap
Mallard Marsh
IUCN VLocal Conservation Area
0.92 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 717 distinct species · 70 548 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 Winnebago River : 25 espèces reliées par 79 interactions GloBI sur 3 types (connectance 14.1%, filtre Serrano α=0.2). 9 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°
7,2°C
Annual rain
809mm
Moisture idx (CMI)
-0,14
Runoff
278mm/an
PET
939mm
AET
686mm
Mean slope
0,7°
Water table
48cm
Forest
1%
Crops
82%
Urban
2%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)