HydroBASINS lev08 watershed · #4081016290
Bassin de Sông Cầu
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 4 administrative regions : Phú Lương, Thái Nguyên, Đại Từ, Đồng Hỷ
Sub-basin area
90,8km²
Upstream area
2 811,4km²
Discharge
66,47m³/s
Mean elev.
53m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sông Đu377 km²
- Bassin de Sông Cầu139 km²
4 dept-equivalent regions (GADM L2)
- Thái NguyênThái Nguyên · Vietnam56.3 km²62.2% of basin
- 26.3 km²29.0% of basin
- 4.4 km²4.9% of basin
- 3.5 km²3.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
61 distinct species · 128 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 Sông Cầu : 9 espèces reliées par 6 interactions GloBI sur 2 types (connectance 16.7%, 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°
23,3°C
Annual rain
1 956mm
Moisture idx (CMI)
0,32
Runoff
842mm/an
PET
1 337mm
AET
1 123mm
Mean slope
3,2°
Water table
121cm
Forest
8%
Crops
95%
Urban
62%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)