HydroBASINS lev08 watershed · #4080446570
Bassin de Исфайрам-Сай
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 : Farg'ona, Kadamjai, Nookat
Sub-basin area
1 106,1km²
Upstream area
2 215,5km²
Discharge
12,31m³/s
Mean elev.
2 556m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Исфайрам-Сай750 km²
- Bassin de Арчаканыш359 km²
3 dept-equivalent regions (GADM L2)
- KadamjaiBatken · Kyrgyzstan1049.4 km²94.8% of basin
- 51.3 km²4.6% of basin
- Farg'onaFarg'ona · Uzbekistan6.5 km²0.6% of basin
1 intersecting protected areas
State nature reserve
79.12 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
275 distinct species · 420 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Исфайрам-Сай : 28 espèces reliées par 44 interactions GloBI sur 5 types (connectance 7.0%, filtre Serrano α=0.2). 8 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°
3,5°C
Annual rain
450mm
Moisture idx (CMI)
-0,41
Runoff
162mm/an
PET
839mm
AET
359mm
Mean slope
26,2°
Water table
910cm
Forest
0%
Crops
5%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)