HydroBASINS lev08 watershed · #4080676800
Bassin de 练江河
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 : Zhumadian
Sub-basin area
828,1km²
Upstream area
2 913,1km²
Discharge
28,2m³/s
Mean elev.
71m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 汝河1205 km²
- Bassin de 南石羊河259 km²
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
58 distinct species · 135 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 练江河 : 21 espèces reliées par 28 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 3 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°
15,1°C
Annual rain
711mm
Moisture idx (CMI)
-0,39
Runoff
292mm/an
PET
1 163mm
AET
605mm
Mean slope
0,3°
Water table
20cm
Forest
0%
Crops
64%
Urban
30%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)