HydroBASINS lev08 watershed · #5080261810
Bassin de Hann 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 : Derby-West Kimberley
Sub-basin area
256,5km²
Upstream area
6 827,1km²
Discharge
34,4m³/s
Mean elev.
303m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Hann River269 km²
- Bassin de Hann River166 km²
1 dept-equivalent regions (GADM L2)
- 255.7 km²100.0% of basin
1 intersecting protected areas
Mornington
IUCN IIPrivate Nature Reserve
116.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
291 distinct species · 1 984 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 Hann River : 21 espèces reliées par 28 interactions GloBI sur 2 types (connectance 8.6%, filtre Serrano α=0.2). 5 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°
26,9°C
Annual rain
717mm
Moisture idx (CMI)
-0,64
Runoff
96mm/an
PET
1 979mm
AET
605mm
Mean slope
0,8°
Water table
112cm
Forest
22%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)