HydroBASINS lev08 watershed · #5080078910
Bassin de Old 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 : Huon Valley
Sub-basin area
466,7km²
Upstream area
466,7km²
Discharge
22,76m³/s
Mean elev.
304m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 467.3 km²100.0% of basin
2 intersecting protected areas
Southwest
IUCN IINational Park
467.54 km² overlap
Tasmanian Wilderness
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
467.54 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
392 distinct species · 1 003 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Old River : 28 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 22 interactions GloBI sur 4 types (connectance 5.1%, filtre Serrano α=0.2). 2 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°
10,1°C
Annual rain
1 690mm
Moisture idx (CMI)
0,56
Runoff
1 269mm/an
PET
741mm
AET
717mm
Mean slope
13,9°
Water table
487cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)