HydroBASINS lev08 watershed · #5080578430
Bassin de Williams 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 6 administrative regions : Boddington, Collie, Cuballing, Narrogin (Shire), Narrogin (Town) +1
Sub-basin area
1 436,8km²
Upstream area
1 436,8km²
Discharge
5,45m³/s
Mean elev.
315m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- 939.5 km²65.4% of basin
- 335.9 km²23.4% of basin
- 156.3 km²10.9% of basin
- 3.1 km²0.2% of basin
- 0.9 km²0.1% of basin
- 0.5 km²0.0% of basin
9 intersecting protected areas
Unnamed WA53975
IUCN IaNature Reserve
4.97 km² overlap
Dryandra
IUCN IINational Park
4.85 km² overlap
Lavender
IUCN IaNature Reserve
2.81 km² overlap
Williams
IUCN IaNature Reserve
2.06 km² overlap
Bradford
IUCN IaNature Reserve
0.94 km² overlap
Minniging
IUCN IaNature Reserve
0.35 km² overlap
Culbin
IUCN IaNature Reserve
0.28 km² overlap
Unnamed WA20878
IUCN IaNature Reserve
0.24 km² overlap
Unnamed WA20877
IUCN IaNature Reserve
0.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
894 distinct species · 6 732 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Williams River : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 6.8%, filtre Serrano α=0.2). 11 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°
15,4°C
Annual rain
572mm
Moisture idx (CMI)
-0,58
Runoff
148mm/an
PET
1 367mm
AET
485mm
Mean slope
3,0°
Water table
442cm
Forest
7%
Crops
34%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)