HydroBASINS lev08 watershed · #7080458580
Bassin de Rock 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 : Lyon, Nobles
Sub-basin area
341,5km²
Upstream area
2 314,9km²
Discharge
11,76m³/s
Mean elev.
431m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kanaranzi Creek519 km²
- Bassin de Rock River481 km²
2 dept-equivalent regions (GADM L2)
- LyonIowa · United States323.7 km²94.6% of basin
- 18.5 km²5.4% of basin
4 intersecting protected areas
Doon
IUCN VWildlife Area
0.15 km² overlap
Reserve Program
0.13 km² overlap
WRP
IUCN VState Conservation Area
0.08 km² overlap
Lakewood Corners
IUCN VWildlife Area
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
356 distinct species · 2 397 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 Rock River : 23 espèces reliées par 171 interactions GloBI sur 4 types (connectance 17.3%, filtre Serrano α=0.2). 22 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
681mm
Moisture idx (CMI)
-0,32
Runoff
158mm/an
PET
1 004mm
AET
581mm
Mean slope
0,9°
Water table
91cm
Forest
0%
Crops
76%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)