HydroBASINS lev08 watershed · #4081009230
Bassin de Sông Kỳ Cùng
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 6 administrative regions : Bình Gia, Bắc Sơn, Chi Lăng, Hữu Lũng, Văn Lãng +1
Sub-basin area
517,8km²
Upstream area
517,8km²
Discharge
9,48m³/s
Mean elev.
417m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
1 intersecting protected areas
Huu Lien
IUCN IVNature Reserve
12.24 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
80 distinct species · 139 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 Kỳ Cùng : 14 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 8 interactions GloBI sur 2 types (connectance 8.8%, 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°
21,3°C
Annual rain
1 441mm
Moisture idx (CMI)
0,10
Runoff
584mm/an
PET
1 293mm
AET
1 033mm
Mean slope
12,7°
Water table
403cm
Forest
5%
Crops
5%
Urban
3%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)