HydroBASINS lev08 watershed · #4080802420
Bassin de 永安溪
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 : Taizhou
Sub-basin area
513,9km²
Upstream area
2 720,5km²
Discharge
88,43m³/s
Mean elev.
320m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 永安溪1823 km²
- Bassin de 朱溪383 km²
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
141 distinct species · 249 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 永安溪 : 36 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 5 types (connectance 4.0%, filtre Serrano α=0.2). 5 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°
16,1°C
Annual rain
1 629mm
Moisture idx (CMI)
0,36
Runoff
961mm/an
PET
1 035mm
AET
1 025mm
Mean slope
14,7°
Water table
485cm
Forest
77%
Crops
21%
Urban
22%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)