HydroBASINS lev08 watershed · #4080009240
Bassin · #4080009240
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 : Yancheng
Sub-basin area
87,2km²
Upstream area
87,2km²
Discharge
0,77m³/s
Mean elev.
1m
Administrative coverage
2 intersecting protected areas
Yancheng
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
84.69 km² overlap
Yancheng National Nature Reserve
IUCN Not ReportedWetland of International Importance (Ramsar Site)
84.69 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
30 distinct species · 96 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 · #4080009240 : 7 espèces reliées par 4 interactions GloBI sur 1 type (connectance 19.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
13,8°C
Annual rain
862mm
Moisture idx (CMI)
-0,10
Runoff
272mm/an
PET
960mm
AET
732mm
Mean slope
0,0°
Water table
3cm
Forest
0%
Crops
53%
Urban
3%
Protected
97%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)