HydroBASINS lev08 watershed · #3080249870
Bassin de Колыма
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 : Srednekanskiy rayon, Verkhnekolymskiy rayon
Sub-basin area
655,3km²
Upstream area
237 261,4km²
Discharge
1 457,96m³/s
Mean elev.
254m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #30802546301547 km²
- Bassin de Колыма938 km²
2 dept-equivalent regions (GADM L2)
- 630.0 km²95.5% of basin
- 29.5 km²4.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
149 distinct species · 165 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 Колыма : 13 espèces reliées par 13 interactions GloBI sur 1 type (connectance 9.6%, filtre Serrano α=0.2). 4 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°
-12,4°C
Annual rain
275mm
Moisture idx (CMI)
-0,40
Runoff
180mm/an
PET
461mm
AET
250mm
Mean slope
6,0°
Water table
124cm
Forest
51%
Crops
0%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)