HydroBASINS lev08 watershed · #8080201960
Bassin de Gerstle 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 : Southeast Fairbanks
Sub-basin area
1 381,2km²
Upstream area
1 381,3km²
Discharge
27,6m³/s
Mean elev.
887m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 1390.0 km²100.0% of basin
2 intersecting protected areas
State Range Area
292.88 km² overlap
Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), Southeast Fairbanks, AK
IUCN VWatershed Protection
0.21 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
507 distinct species · 37 642 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Gerstle River : 18 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 1 type (connectance 18.2%, filtre Serrano α=0.2). 8 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°
-5,5°C
Annual rain
294mm
Moisture idx (CMI)
-0,43
Runoff
629mm/an
PET
522mm
AET
270mm
Mean slope
12,1°
Water table
243cm
Forest
12%
Crops
0%
Urban
0%
Protected
21%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)