HydroBASINS lev08 watershed · #7080026540
Bassin de Rivière Koktac
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 : Nord-du-Québec
Sub-basin area
2 208,4km²
Upstream area
2 208,4km²
Discharge
37,09m³/s
Mean elev.
98m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 2220.1 km²100.0% of basin
3 intersecting protected areas
Proposed biodiversity reserve
355.32 km² overlap
Land reserved for protected area
26.18 km² overlap
Proposed biodiversity reserve
0.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
112 distinct species · 168 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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 Rivière Koktac : 17 espèces reliées par 29 interactions GloBI sur 2 types (connectance 15.3%, filtre Serrano α=0.2). 3 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°
-7,0°C
Annual rain
400mm
Moisture idx (CMI)
0,19
Runoff
456mm/an
PET
323mm
AET
271mm
Mean slope
1,2°
Water table
48cm
Forest
15%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)