HydroBASINS lev08 watershed · #8080259710
Bassin de Flat 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 1 administrative regions : Fort Smith
Sub-basin area
600,6km²
Upstream area
3 036km²
Discharge
50,07m³/s
Mean elev.
1 126m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Flat River2078 km²
- Bassin de Borden Creek357 km²
1 dept-equivalent regions (GADM L2)
- Fort Smith604.2 km²100.0% of basin
2 intersecting protected areas
National Park
604.18 km² overlap
Nahanni National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
180.47 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
205 distinct species · 361 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Flat River : 21 espèces reliées par 75 interactions GloBI sur 4 types (connectance 15.1%, filtre Serrano α=0.2). 11 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°
-5,9°C
Annual rain
512mm
Moisture idx (CMI)
0,06
Runoff
473mm/an
PET
479mm
AET
370mm
Mean slope
13,0°
Water table
267cm
Forest
24%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)