HydroBASINS lev08 watershed · #4080740390
Bassin de 老龙溪
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 2 administrative regions : Huzhou, Jiaxing
Sub-basin area
492,6km²
Upstream area
2 884km²
Discharge
67,19m³/s
Mean elev.
6m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 京杭大运河727 km²
- Bassin de 东苕溪146 km²
2 dept-equivalent regions (GADM L2)
- 445.2 km²90.5% of basin
- 46.9 km²9.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
122 distinct species · 298 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 老龙溪 : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 5 types (connectance 10.1%, 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°
16,4°C
Annual rain
1 245mm
Moisture idx (CMI)
0,13
Runoff
618mm/an
PET
1 087mm
AET
1 030mm
Mean slope
0,2°
Water table
7cm
Forest
1%
Crops
48%
Urban
70%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)