HydroBASINS lev08 watershed · #3080625480
Bassin de Большая Калманка
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 : Aleyskiy rayon, Kalmanskiy rayon, Topchikhinskiy rayon
Sub-basin area
1 679km²
Upstream area
1 679km²
Discharge
5,05m³/s
Mean elev.
203m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 858.8 km²50.9% of basin
- 681.4 km²40.4% of basin
- 145.7 km²8.6% of basin
1 intersecting protected areas
Stepi u sela Parfenovo
IUCN IIINatural Monument
0.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
788 distinct species · 5 722 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 Большая Калманка : 23 espèces reliées par 96 interactions GloBI sur 5 types (connectance 14.4%, filtre Serrano α=0.2). 14 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°
2,3°C
Annual rain
461mm
Moisture idx (CMI)
-0,39
Runoff
97mm/an
PET
750mm
AET
395mm
Mean slope
0,9°
Water table
32cm
Forest
0%
Crops
57%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)