HydroBASINS lev08 watershed · #7080354240
Bassin de Knife 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 : Dunn, Mercer
Sub-basin area
317,2km²
Upstream area
2 177km²
Discharge
4,64m³/s
Mean elev.
651m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Deep Creek576 km²
- Bassin de Knife River292 km²
2 dept-equivalent regions (GADM L2)
- 308.5 km²97.0% of basin
- Mercer9.6 km²3.0% of basin
1 intersecting protected areas
Dunn Farm Service Agency
IUCN VConservation Easement
2.97 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
93 distinct species · 166 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Knife River : 33 espèces reliées par 89 interactions GloBI sur 4 types (connectance 11.4%, filtre Serrano α=0.2). 7 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°
5,4°C
Annual rain
428mm
Moisture idx (CMI)
-0,54
Runoff
71mm/an
PET
922mm
AET
373mm
Mean slope
1,9°
Water table
253cm
Forest
4%
Crops
39%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)