HydroBASINS lev08 watershed · #4080430960
Bassin de Тар
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 : Alai, Kara-Kuldja
Sub-basin area
1 280km²
Upstream area
4 477,1km²
Discharge
15,43m³/s
Mean elev.
2 352m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Кулун355 km²
- Bassin de Ак-богус314 km²
2 dept-equivalent regions (GADM L2)
- 1275.2 km²99.5% of basin
- 6.3 km²0.5% of basin
1 intersecting protected areas
State nature reserve
59.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
198 distinct species · 783 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Тар : 21 espèces reliées par 64 interactions GloBI sur 5 types (connectance 12.1%, filtre Serrano α=0.2). 12 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°
4,1°C
Annual rain
448mm
Moisture idx (CMI)
-0,48
Runoff
132mm/an
PET
866mm
AET
389mm
Mean slope
21,5°
Water table
702cm
Forest
12%
Crops
9%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)