HydroBASINS lev08 watershed · #7080502680
Bassin de Spring Creek
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 : Polk, Warren
Sub-basin area
57,8km²
Upstream area
27 284,8km²
Discharge
163,57m³/s
Mean elev.
256m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de North River1041 km²
- Bassin de Des Moines River67 km²
2 dept-equivalent regions (GADM L2)
- PolkIowa · United States54.3 km²93.7% of basin
- WarrenIowa · United States3.6 km²6.3% of basin
3 intersecting protected areas
Red Rock
IUCN VWildlife Management Area
7.20 km² overlap
Watershed Protection
3.72 km² overlap
Conservation Easement
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
145 distinct species · 372 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Spring Creek : 34 espèces reliées par 90 interactions GloBI sur 4 types (connectance 10.0%, 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°
9,5°C
Annual rain
870mm
Moisture idx (CMI)
-0,15
Runoff
228mm/an
PET
1 023mm
AET
737mm
Mean slope
1,3°
Water table
107cm
Forest
16%
Crops
58%
Urban
2%
Protected
11%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)