HydroBASINS lev08 watershed · #4080131170
Bassin de Бырка
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 : Borzinskiy rayon, Olovyanninskiy rayon
Sub-basin area
426,8km²
Upstream area
426,9km²
Discharge
1,18m³/s
Mean elev.
904m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 428.1 km²100.0% of basin
- 0.2 km²0.0% of basin
1 intersecting protected areas
Oldondinskij
IUCN IVState Natural Zakaznik
63.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
47 distinct species · 49 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 Бырка : 9 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 7 interactions GloBI sur 2 types (connectance 19.4%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-3,9°C
Annual rain
347mm
Moisture idx (CMI)
-0,49
Runoff
82mm/an
PET
685mm
AET
312mm
Mean slope
5,4°
Water table
111cm
Forest
28%
Crops
10%
Urban
0%
Protected
11%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)