HydroBASINS lev08 watershed · #4080991880
Bassin de 小南溪河
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 3 administrative regions across 2 countries : Honghe Hani and Yi, Mường Khương, Wenshan Zhuang and Miao
Sub-basin area
250,5km²
Upstream area
250,8km²
Discharge
7,41m³/s
Mean elev.
906m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 131.1 km²52.5% of basin
- 117.3 km²47.0% of basin
- Mường KhươngLào Cai · Vietnam1.5 km²0.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
86 distinct species · 152 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 小南溪河 : 17 espèces reliées par 12 interactions GloBI sur 3 types (connectance 7.8%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
19,8°C
Annual rain
1 583mm
Moisture idx (CMI)
0,22
Runoff
933mm/an
PET
1 229mm
AET
1 030mm
Mean slope
19,0°
Water table
655cm
Forest
6%
Crops
28%
Urban
1%
Protected
51%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)