HydroBASINS lev08 watershed · #7080352690
Bassin de Judith 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 : Fergus, Judith Basin
Sub-basin area
478,5km²
Upstream area
2 880,9km²
Discharge
2,76m³/s
Mean elev.
1 403m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Judith River1405 km²
- Bassin de Ross Fork Creek997 km²
2 dept-equivalent regions (GADM L2)
- 342.6 km²71.4% of basin
- 137.2 km²28.6% of basin
1 intersecting protected areas
Big Snowies
IUCN IbWilderness Study Area
73.66 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
562 distinct species · 3 613 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Judith River : 30 espèces reliées par 112 interactions GloBI sur 6 types (connectance 11.3%, filtre Serrano α=0.2). 15 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°
5,3°C
Annual rain
453mm
Moisture idx (CMI)
-0,49
Runoff
30mm/an
PET
911mm
AET
393mm
Mean slope
4,9°
Water table
611cm
Forest
21%
Crops
33%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)