HydroBASINS lev08 watershed · #4080001700
Bassin de Светлая
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 : Pozharskiy rayon, Terneyskiy rayon
Sub-basin area
775,7km²
Upstream area
775,7km²
Discharge
8,03m³/s
Mean elev.
491m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 698.4 km²89.8% of basin
- 79.4 km²10.2% of basin
1 intersecting protected areas
Bikin
IUCN IbNational Park
5.44 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
181 distinct species · 189 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 Светлая : 13 espèces reliées par 13 interactions GloBI sur 4 types (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°
0,8°C
Annual rain
967mm
Moisture idx (CMI)
0,43
Runoff
340mm/an
PET
544mm
AET
543mm
Mean slope
13,2°
Water table
310cm
Forest
98%
Crops
1%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)