HydroBASINS lev08 watershed · #7080522910
Bassin de Skunk 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 : Des Moines, Henry, Lee
Sub-basin area
1 010,5km²
Upstream area
11 415,8km²
Discharge
94,24m³/s
Mean elev.
210m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Cedar Creek1450 km²
- Bassin de Skunk River570 km²
3 dept-equivalent regions (GADM L2)
- HenryIowa · United States629.4 km²62.2% of basin
- Des MoinesIowa · United States261.0 km²25.8% of basin
- LeeIowa · United States121.4 km²12.0% of basin
7 intersecting protected areas
Blackhawk Bottoms
IUCN VWildlife Management Area
2.34 km² overlap
Skunk River
IUCN VAccess
1.20 km² overlap
Ketchum Switch
IUCN VRecreation Area
1.14 km² overlap
Augusta
IUCN VWildlife Management Area
0.47 km² overlap
Reserve Program
0.35 km² overlap
Hunt Woods
IUCN VLocal Conservation Area
0.24 km² overlap
Local Conservation Area
0.20 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 030 distinct species · 23 029 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Skunk River : 32 espèces reliées par 89 interactions GloBI sur 4 types (connectance 10.3%, filtre Serrano α=0.2). 10 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°
10,2°C
Annual rain
920mm
Moisture idx (CMI)
-0,12
Runoff
258mm/an
PET
1 049mm
AET
777mm
Mean slope
1,0°
Water table
80cm
Forest
10%
Crops
71%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)