HydroBASINS lev08 watershed · #8080302370
Bassin de Grayling 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 : Northern Rockies
Sub-basin area
1 775,1km²
Upstream area
1 775,1km²
Discharge
14,29m³/s
Mean elev.
1 070m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 1784.9 km²100.0% of basin
2 intersecting protected areas
Ecological Reserve
14.21 km² overlap
LIARD RIVER CORRIDOR PARK
IUCN IIA - Park
6.75 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
175 distinct species · 269 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 Grayling River : 21 espèces reliées par 47 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 10 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°
-3,4°C
Annual rain
482mm
Moisture idx (CMI)
-0,10
Runoff
254mm/an
PET
537mm
AET
393mm
Mean slope
10,3°
Water table
239cm
Forest
79%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)