HydroBASINS lev08 watershed · #4080013150
Bassin de 大隆洞河
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 : Jiangmen
Sub-basin area
752,4km²
Upstream area
752,4km²
Discharge
27,6m³/s
Mean elev.
63m
Species present
325 distinct species · 517 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 大隆洞河 : 24 espèces reliées par 23 interactions GloBI sur 3 types (connectance 6.1%, filtre Serrano α=0.2). 4 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°
22,4°C
Annual rain
1 549mm
Moisture idx (CMI)
0,25
Runoff
1 312mm/an
PET
1 153mm
AET
976mm
Mean slope
5,3°
Water table
206cm
Forest
44%
Crops
46%
Urban
15%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)