HydroBASINS lev08 watershed · #3080184440
Bassin de Большая Осиновая
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 1 administrative regions : Anadyrskiy rayon
Sub-basin area
1 740,9km²
Upstream area
7 770,5km²
Discharge
72,6m³/s
Mean elev.
302m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большая Осиновая1544 km²
- Bassin de Койчинейвеем1435 km²
1 dept-equivalent regions (GADM L2)
- 1752.9 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
335 distinct species · 371 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 Осиновая : 10 espèces reliées par 18 interactions GloBI sur 1 type (connectance 11.8%, filtre Serrano α=0.2). 8 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°
-11,7°C
Annual rain
266mm
Moisture idx (CMI)
-0,09
Runoff
258mm/an
PET
294mm
AET
219mm
Mean slope
6,7°
Water table
132cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)