HydroBASINS lev08 watershed · #4080789350
Bassin de 新墙河
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 2 administrative regions : Xianning, Yueyang
Sub-basin area
2 430,9km²
Upstream area
2 430,9km²
Discharge
53,08m³/s
Mean elev.
161m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 2410.4 km²99.3% of basin
- 17.3 km²0.7% of basin
1 intersecting protected areas
Dong dongting hu
IUCN IaWetland of International Importance (Ramsar Site)
93.62 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
118 distinct species · 256 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 新墙河 : 37 espèces reliées par 37 interactions GloBI sur 4 types (connectance 4.5%, filtre Serrano α=0.2). 4 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°
16,6°C
Annual rain
1 400mm
Moisture idx (CMI)
0,24
Runoff
727mm/an
PET
1 066mm
AET
976mm
Mean slope
6,5°
Water table
246cm
Forest
52%
Crops
30%
Urban
8%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)