HydroBASINS lev08 watershed · #4080457890
Bassin de Qoradaryo-Zarafshon
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 8 administrative regions : Ishtixon, Kattaqo'rg'on, Nurobod, Oqdaryo, Pastdarg'om +3
Sub-basin area
1 856,4km²
Upstream area
16 038,9km²
Discharge
148,75m³/s
Mean elev.
718m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Yangiariq1442 km²
- Bassin de Зарафшон1152 km²
8 dept-equivalent regions (GADM L2)
- PayariqSamarqand' · Uzbekistan743.7 km²40.0% of basin
- IshtixonSamarqand' · Uzbekistan298.7 km²16.1% of basin
- NurobodSamarqand' · Uzbekistan244.0 km²13.1% of basin
- Kattaqo'rg'onSamarqand' · Uzbekistan228.8 km²12.3% of basin
- OqdaryoSamarqand' · Uzbekistan217.8 km²11.7% of basin
- Samarqand'Samarqand' · Uzbekistan69.1 km²3.7% of basin
- Pastdarg'omSamarqand' · Uzbekistan32.7 km²1.8% of basin
- 23.3 km²1.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
345 distinct species · 794 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 Qoradaryo-Zarafshon : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 4 types (connectance 14.4%, 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°
13,6°C
Annual rain
322mm
Moisture idx (CMI)
-0,74
Runoff
7mm/an
PET
1 239mm
AET
277mm
Mean slope
2,8°
Water table
350cm
Forest
0%
Crops
60%
Urban
20%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)