HydroBASINS lev08 watershed · #2080515820
Bassin de Ахтуба
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 : Kharabalinskiy rayon, Krasnoyarskiy rayon, Narimanovskiy rayon
Sub-basin area
477,5km²
Upstream area
7 395,7km²
Discharge
3,34m³/s
Mean elev.
-23m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ашулук1013 km²
- Bassin de Ахтуба75 km²
3 dept-equivalent regions (GADM L2)
- Kharabalinskiy rayonAstrakhan' · Russia293.8 km²61.4% of basin
- Krasnoyarskiy rayonAstrakhan' · Russia160.0 km²33.4% of basin
- Narimanovskiy rayonAstrakhan' · Russia25.0 km²5.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
596 distinct species · 1 692 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Ахтуба : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 3 types (connectance 9.4%, filtre Serrano α=0.2). 9 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°
9,6°C
Annual rain
216mm
Moisture idx (CMI)
-0,78
Runoff
8mm/an
PET
981mm
AET
195mm
Mean slope
0,1°
Water table
18cm
Forest
0%
Crops
5%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)