HydroBASINS lev08 watershed · #5080517500
Bassin de Clarence 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 : Clarence Valley, Richmond Valley
Sub-basin area
993,7km²
Upstream area
17 300km²
Discharge
95,12m³/s
Mean elev.
167m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Mann River735 km²
- Bassin de Clarence River339 km²
2 dept-equivalent regions (GADM L2)
- 989.4 km²99.7% of basin
- 3.1 km²0.3% of basin
8 intersecting protected areas
Nymboida
IUCN IbNational Park
14.66 km² overlap
Ramornie
IUCN IINational Park
12.79 km² overlap
Banyabba
IUCN IaNature Reserve
1.77 km² overlap
Wombat Creek
IUCN IIState Conservation Area
1.61 km² overlap
Mount Neville
IUCN IINature Reserve
1.23 km² overlap
Table Creek
IUCN IaFlora Reserve
1.08 km² overlap
Grange
IUCN IaFlora Reserve
0.48 km² overlap
Chapmans Peak
IUCN IaNature Reserve
0.29 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 218 distinct species · 21 705 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Clarence River : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 4 types (connectance 6.8%, filtre Serrano α=0.2). 6 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°
18,5°C
Annual rain
1 192mm
Moisture idx (CMI)
-0,16
Runoff
220mm/an
PET
1 425mm
AET
1 009mm
Mean slope
7,0°
Water table
336cm
Forest
85%
Crops
0%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)