HydroBASINS lev08 watershed · #5080558900
Bassin de Avon 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 4 administrative regions : Mundaring, Northam, Swan, Toodyay
Sub-basin area
799,4km²
Upstream area
92 890,1km²
Discharge
78,16m³/s
Mean elev.
278m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Toodyay Brook856 km²
- Bassin de Avon River452 km²
4 dept-equivalent regions (GADM L2)
- 642.8 km²80.5% of basin
- 105.3 km²13.2% of basin
- 39.1 km²4.9% of basin
- 11.7 km²1.5% of basin
18 intersecting protected areas
Unnamed WA30193
IUCN VI5(1)(h) Reserve
51.75 km² overlap
Avon Valley
IUCN IINational Park
43.76 km² overlap
Paruna
IUCN IIPrivate Nature Reserve
16.83 km² overlap
Morangup
IUCN IaNature Reserve
9.31 km² overlap
Moondyne
IUCN IaNature Reserve
7.92 km² overlap
Moondyne Convention Centre
IUCN VI5(1)(h) Reserve
5.16 km² overlap
Unnamed WA41938
IUCN IaNature Reserve
4.46 km² overlap
Clackline
IUCN IaNature Reserve
2.95 km² overlap
Unnamed WA51385
IUCN VI5(1)(h) Reserve
2.25 km² overlap
9 more protected areassorted by overlap area
Moondyne Stronghills Reserve
IUCN VI5(1)(h) Reserve
2.09 km² overlap
Rugged Hills
IUCN IaNature Reserve
1.78 km² overlap
Woondowing
IUCN IaNature Reserve
0.88 km² overlap
Bindoon Spring
IUCN IaNature Reserve
0.39 km² overlap
Mandoon Farm
IUCN VI5(1)(h) Reserve
0.34 km² overlap
Unnamed WA13971
IUCN V5(1)(g) Reserve
0.24 km² overlap
Mavis Jefferys
IUCN IaNature Reserve
0.18 km² overlap
Nanamoolan
IUCN IaNature Reserve
0.08 km² overlap
Copley Dale
IUCN IaNature Reserve
0.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 274 distinct species · 24 275 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 Avon River : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 3 types (connectance 6.3%, 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°
17,3°C
Annual rain
653mm
Moisture idx (CMI)
-0,55
Runoff
200mm/an
PET
1 459mm
AET
552mm
Mean slope
4,5°
Water table
759cm
Forest
43%
Crops
9%
Urban
0%
Protected
16%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)