HydroBASINS lev08 watershed · #5080079450
Bassin de Cygnet 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 : Kangaroo Island
Sub-basin area
581,8km²
Upstream area
581,8km²
Discharge
1,5m³/s
Mean elev.
110m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 581.7 km²100.0% of basin
16 intersecting protected areas
Parndana
IUCN IIIConservation Park
6.23 km² overlap
Unnamed (No.HA661)
IUCN IIIHeritage Agreement
6.07 km² overlap
Unnamed (No.HA1048)
IUCN IIIHeritage Agreement
4.93 km² overlap
Unnamed (No.HA974)
IUCN IIIHeritage Agreement
2.88 km² overlap
Unnamed (No.HA1677)
IUCN IIIHeritage Agreement
2.79 km² overlap
Unnamed (No.HA392)
IUCN IIIHeritage Agreement
1.43 km² overlap
Unnamed (No.HA163)
IUCN IIIHeritage Agreement
1.39 km² overlap
Unnamed (No.HA873)
IUCN IIIHeritage Agreement
1.08 km² overlap
Cygnet Estuary
IUCN IIIConservation Park
0.88 km² overlap
7 more protected areassorted by overlap area
Unnamed (No.HA891)
IUCN IIIHeritage Agreement
0.86 km² overlap
Unnamed (No.HA1504)
IUCN IIIHeritage Agreement
0.55 km² overlap
Encounter
IUCN IVMarine Park
0.44 km² overlap
Unnamed (No.HA241)
IUCN IIIHeritage Agreement
0.37 km² overlap
Unnamed (No.HA861)
IUCN IIIHeritage Agreement
0.31 km² overlap
Unnamed (No.HA1505)
IUCN IIIHeritage Agreement
0.29 km² overlap
Unnamed (No.HA66)
IUCN IIIHeritage Agreement
0.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 252 distinct species · 28 019 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 Cygnet River : 25 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 55 interactions GloBI sur 5 types (connectance 8.7%, 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°
15,0°C
Annual rain
602mm
Moisture idx (CMI)
-0,37
Runoff
101mm/an
PET
958mm
AET
505mm
Mean slope
1,9°
Water table
965cm
Forest
14%
Crops
1%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)