HydroBASINS lev08 watershed · #4080008130
Bassin de 南阳河
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 : Yantai
Sub-basin area
486,6km²
Upstream area
486,6km²
Discharge
0,33m³/s
Mean elev.
48m
Species present
57 distinct species · 160 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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 南阳河 : 21 espèces reliées par 19 interactions GloBI sur 3 types (connectance 8.2%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
11,9°C
Annual rain
636mm
Moisture idx (CMI)
-0,36
Runoff
90mm/an
PET
998mm
AET
543mm
Mean slope
1,5°
Water table
118cm
Forest
16%
Crops
56%
Urban
54%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)