HydroBASINS lev08 watershed · #5080611060
Bassin de Wannon 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 2 administrative regions : Glenelg, Southern Grampians
Sub-basin area
561,7km²
Upstream area
4 449,7km²
Discharge
12,14m³/s
Mean elev.
141m
Administrative coverage
Species present
877 distinct species · 10 690 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 Wannon River : 26 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 4 types (connectance 9.4%, 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°
13,4°C
Annual rain
713mm
Moisture idx (CMI)
-0,37
Runoff
103mm/an
PET
1 131mm
AET
606mm
Mean slope
3,3°
Water table
239cm
Forest
9%
Crops
7%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)