HydroBASINS lev08 watershed · #2080069610
Bassin de Vəlvələ çayı
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 : Dəvəçi, Quba, Xaçmaz
Sub-basin area
656,1km²
Upstream area
656,1km²
Discharge
1,92m³/s
Mean elev.
1 372m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- 531.9 km²81.0% of basin
- 66.7 km²10.2% of basin
- 58.1 km²8.8% of basin
2 intersecting protected areas
Shahdag
IUCN Not ReportedEmerald Network
490.21 km² overlap
Shahdagh National Park
IUCN IINational Park
53.64 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
151 distinct species · 369 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Vəlvələ çayı : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 4 types (connectance 11.1%, 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°
7,8°C
Annual rain
471mm
Moisture idx (CMI)
-0,43
Runoff
110mm/an
PET
847mm
AET
408mm
Mean slope
15,5°
Water table
567cm
Forest
7%
Crops
15%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)