HydroBASINS lev08 watershed · #4081023270
Bassin de Sông Đà
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 13 administrative regions : Ba Vì, Cao Phong, Hòa Bình, Kim Bôi, Kỳ Sơn +8
Sub-basin area
1 812,3km²
Upstream area
51 221km²
Discharge
1 419,01m³/s
Mean elev.
279m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de Sông Đà754 km²
- Bassin · #4080069620331 km²
- Bassin de Sông Đà317 km²
13 dept-equivalent regions (GADM L2)
- 498.2 km²27.6% of basin
- 274.7 km²15.2% of basin
- 229.8 km²12.7% of basin
- 151.8 km²8.4% of basin
- 147.2 km²8.1% of basin
- 144.1 km²8.0% of basin
- 139.3 km²7.7% of basin
- Thanh ThuỷPhú Thọ · Vietnam115.4 km²6.4% of basin
5 moreFull L2 list
- Tân Lạc70.1 km² · 3.9%
- Vân Hồ28.6 km² · 1.6%
- Tam Nông5.1 km² · 0.3%
- Kim Bôi2.4 km² · 0.1%
- Lâm Thao0.5 km² · 0.0%
5 intersecting protected areas
Dao Ho Song Da
IUCN VCultural and Historical Site
78.25 km² overlap
Ba Vi
IUCN IINational Park
56.74 km² overlap
Phu Canh
IUCN IVNature Reserve
19.59 km² overlap
Hang Kia-Pa Co
IUCN IVNature Reserve
9.06 km² overlap
Thuong Tien
IUCN IVNature Reserve
0.38 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
679 distinct species · 1 157 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 Sông Đà : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 4 types (connectance 6.7%, 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°
22,4°C
Annual rain
1 661mm
Moisture idx (CMI)
0,21
Runoff
938mm/an
PET
1 314mm
AET
1 031mm
Mean slope
12,1°
Water table
421cm
Forest
2%
Crops
33%
Urban
5%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)