HydroBASINS lev08 watershed · #4080542070
Bassin de Istmoch
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 1 administrative regions : Wakhan
Sub-basin area
313,4km²
Upstream area
313,4km²
Discharge
1,15m³/s
Mean elev.
4 630m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 313.5 km²100.0% of basin
1 intersecting protected areas
Wakhan National Park
IUCN IINational Park
313.49 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
120 distinct species · 198 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 Istmoch : 9 espèces reliées par 15 interactions GloBI sur 1 type (connectance 12.5%, filtre Serrano α=0.2). 7 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°
-5,2°C
Annual rain
383mm
Moisture idx (CMI)
-0,18
Runoff
119mm/an
PET
483mm
AET
311mm
Mean slope
19,7°
Water table
579cm
Forest
0%
Crops
0%
Urban
0%
Protected
93%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)