HydroBASINS lev08 watershed · #7080374120
Bassin de Cannonball River / Íŋyaŋwakağapi Wakpá
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 : Grant, Morton, Sioux
Sub-basin area
739,5km²
Upstream area
9 551,8km²
Discharge
21,83m³/s
Mean elev.
612m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Cannonball River1278 km²
- Bassin de Cedar Creek570 km²
3 dept-equivalent regions (GADM L2)
- Sioux397.5 km²53.6% of basin
- Grant311.7 km²42.1% of basin
- Morton32.1 km²4.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
118 distinct species · 421 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 Cannonball River / Íŋyaŋwakağapi Wakpá : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 95 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 8 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°
6,0°C
Annual rain
412mm
Moisture idx (CMI)
-0,58
Runoff
76mm/an
PET
978mm
AET
358mm
Mean slope
1,9°
Water table
301cm
Forest
0%
Crops
25%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)