HydroBASINS lev08 watershed · #3080245110
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
333,8km²
Upstream area
238 636,8km²
Discharge
1 466,09m³/s
Mean elev.
138m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #3080249720540 km²
- Bassin de Колыма85 km²
2 dept-equivalent regions (GADM L2)
- 334.4 km²99.5% of basin
- 1.6 km²0.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
138 distinct species · 147 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 : 11 espèces reliées par 15 interactions GloBI sur 1 type (connectance 12.5%, filtre Serrano α=0.2). 5 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°
-11,8°C
Annual rain
268mm
Moisture idx (CMI)
-0,43
Runoff
180mm/an
PET
474mm
AET
245mm
Mean slope
4,3°
Water table
90cm
Forest
59%
Crops
0%
Urban
0%
Protected
49%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)