HydroBASINS lev08 watershed · #8080126880
Bassin de Porcupine 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 across 2 countries : Yukon, Yukon-Koyukuk
Sub-basin area
1 245km²
Upstream area
59 284,5km²
Discharge
365,21m³/s
Mean elev.
439m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #8080121590392 km²
- Bassin de Porcupine River25 km²
2 dept-equivalent regions (GADM L2)
- 753.7 km²60.1% of basin
- 500.0 km²39.9% of basin
2 intersecting protected areas
Marine Protected Area
755.65 km² overlap
Arctic
IUCN IVNational Wildlife Refuge
748.29 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
299 distinct species · 2 444 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Porcupine River : 19 espèces reliées par 112 interactions GloBI sur 5 types (connectance 16.8%, filtre Serrano α=0.2). 18 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°
-9,8°C
Annual rain
207mm
Moisture idx (CMI)
-0,49
Runoff
250mm/an
PET
408mm
AET
205mm
Mean slope
5,1°
Water table
125cm
Forest
15%
Crops
0%
Urban
0%
Protected
60%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)