HydroBASINS lev08 watershed · #8080098920
Bassin de Firth 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 : North Slope, Yukon
Sub-basin area
500,1km²
Upstream area
2 512,8km²
Discharge
4,22m³/s
Mean elev.
668m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Firth River1051 km²
- Bassin de Mancha Creek962 km²
2 dept-equivalent regions (GADM L2)
- 456.1 km²90.6% of basin
- 47.6 km²9.4% of basin
6 intersecting protected areas
National Park
452.80 km² overlap
Arctic
IUCN IVNational Wildlife Refuge
49.31 km² overlap
Mollie Beattie
IUCN IbWilderness Area
49.30 km² overlap
Firth-Mancha Rna
IUCN IaResearch Natural Area
47.61 km² overlap
Marine Protected Area
47.43 km² overlap
National Park
0.78 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
574 distinct species · 2 786 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Firth River : 29 espèces reliées par 70 interactions GloBI sur 3 types (connectance 10.0%, filtre Serrano α=0.2). 9 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°
-12,9°C
Annual rain
170mm
Moisture idx (CMI)
-0,40
Runoff
102mm/an
PET
282mm
AET
174mm
Mean slope
14,2°
Water table
309cm
Forest
0%
Crops
0%
Urban
0%
Protected
99%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)