HydroBASINS lev08 watershed · #4080183260
Bassin de 双子河
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 : Heihe, Yichun
Sub-basin area
1 243,3km²
Upstream area
1 243,6km²
Discharge
7,29m³/s
Mean elev.
379m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Yichun1242.4 km²99.6% of basin
- Heihe4.6 km²0.4% of basin
1 intersecting protected areas
Heilongjiang Youhao Wetlands
IUCN IbWetland of International Importance (Ramsar Site)
57.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 distinct species · 10 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 de 双子河 : 7 espèces reliées par 4 interactions GloBI sur 2 types (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°
0,0°C
Annual rain
647mm
Moisture idx (CMI)
-0,15
Runoff
170mm/an
PET
757mm
AET
550mm
Mean slope
3,2°
Water table
51cm
Forest
93%
Crops
13%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)