HydroBASINS lev08 watershed · #5080586040
Bassin de Kojonup Brook
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 3 administrative regions : Kojonup, West Arthur, Woodanilling
Sub-basin area
649,9km²
Upstream area
649,9km²
Discharge
1,18m³/s
Mean elev.
276m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 506.4 km²77.9% of basin
- 136.7 km²21.0% of basin
- 6.6 km²1.0% of basin
6 intersecting protected areas
Unnamed WA20435
IUCN VI5(1)(g) Reserve
1.60 km² overlap
Conservation Covenant
1.09 km² overlap
Unnamed WA54011
IUCN IaNature Reserve
0.40 km² overlap
Unnamed WA13102
IUCN IaNature Reserve
0.16 km² overlap
Unnamed WA15061
IUCN IaNature Reserve
0.16 km² overlap
Unnamed WA26158
IUCN IaNature Reserve
0.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
922 distinct species · 5 682 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Kojonup Brook : 28 espèces reliées par 39 interactions GloBI sur 3 types (connectance 5.5%, filtre Serrano α=0.2). 10 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
498mm
Moisture idx (CMI)
-0,62
Runoff
69mm/an
PET
1 317mm
AET
424mm
Mean slope
1,7°
Water table
346cm
Forest
0%
Crops
40%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)