HydroBASINS lev08 watershed · #4080001370
Bassin de Начага
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 : Sovetsko-Gavanskiy rayon
Sub-basin area
785,4km²
Upstream area
785,4km²
Discharge
2,35m³/s
Mean elev.
242m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Sovetsko-Gavanskiy rayonKhabarovsk · Russia767.6 km²97.4% of basin
1 intersecting protected areas
Botchinskij
IUCN IaState Natural Zapovednik
6.21 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
77 distinct species · 91 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 Начага : 8 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 1 type (connectance 13.9%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
0,6°C
Annual rain
824mm
Moisture idx (CMI)
0,38
Runoff
356mm/an
PET
512mm
AET
502mm
Mean slope
10,5°
Water table
207cm
Forest
96%
Crops
0%
Urban
0%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)