HydroBASINS lev08 watershed · #5080070590
Bassin de Tweed 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 6 administrative regions : Byron, Gold Coast, Kyogle, Lismore, Scenic Rim +1
Sub-basin area
982,7km²
Upstream area
982,7km²
Discharge
22,61m³/s
Mean elev.
196m
Administrative coverage
6 dept-equivalent regions (GADM L2)
- 950.5 km²96.9% of basin
- 7.7 km²0.8% of basin
- 6.7 km²0.7% of basin
- 6.3 km²0.6% of basin
- 3.5 km²0.4% of basin
- 3.4 km²0.3% of basin
17 intersecting protected areas
Gondwana Rainforests of Australia
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
106.69 km² overlap
Wollumbin
IUCN IINational Park
42.48 km² overlap
Mebbin
IUCN IINational Park
37.78 km² overlap
Mount Jerusalem
IUCN IINational Park
32.08 km² overlap
Limpinwood
IUCN IbNature Reserve
27.39 km² overlap
Border Ranges
IUCN IbNational Park
20.99 km² overlap
Nightcap
IUCN IINational Park
15.17 km² overlap
Numinbah
IUCN IaNature Reserve
8.96 km² overlap
Lamington
IUCN IINational Park
8.46 km² overlap
8 more protected areassorted by overlap area
Wollumbin
IUCN IIState Conservation Area
3.67 km² overlap
Springbrook
IUCN IINational Park
2.30 km² overlap
Couchy Creek
IUCN IaNature Reserve
2.15 km² overlap
Mooball
IUCN IINational Park
1.67 km² overlap
Stotts Island
IUCN IaNature Reserve
1.53 km² overlap
Mount Nullum
IUCN IVNature Reserve
0.98 km² overlap
Duroby
IUCN IaNature Reserve
0.31 km² overlap
Hattons Bluff
IUCN IVNature Reserve
0.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 542 distinct species · 287 114 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Tweed River : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 24 interactions GloBI sur 4 types (connectance 5.9%, 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°
18,8°C
Annual rain
1 784mm
Moisture idx (CMI)
0,24
Runoff
525mm/an
PET
1 342mm
AET
1 188mm
Mean slope
10,0°
Water table
364cm
Forest
99%
Crops
0%
Urban
2%
Protected
21%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)