HydroBASINS lev08 watershed · #2080696970
Bassin de Atrek
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 across 2 countries : Etrek, Gonbad-e-Kavus
Sub-basin area
1 476,5km²
Upstream area
30 527,5km²
Discharge
79,67m³/s
Mean elev.
73m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Atrek813 km²
- Bassin de Atrek143 km²
2 dept-equivalent regions (GADM L2)
- 1012.2 km²68.5% of basin
- 465.1 km²31.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
49 distinct species · 143 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 Atrek : 13 espèces reliées par 14 interactions GloBI sur 3 types (connectance 13.3%, filtre Serrano α=0.2). 2 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°
17,5°C
Annual rain
243mm
Moisture idx (CMI)
-0,82
Runoff
38mm/an
PET
1 327mm
AET
209mm
Mean slope
0,7°
Water table
276cm
Forest
0%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)