HydroBASINS lev08 watershed · #2080303490
Bassin de Бирля
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 : Apastovskiy rayon, Yal'chikskiy rayon
Sub-basin area
384,1km²
Upstream area
384,1km²
Discharge
1,64m³/s
Mean elev.
142m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 383.9 km²99.5% of basin
- 1.9 km²0.5% of basin
2 intersecting protected areas
Reka Birlya
IUCN IIINatural Monument
1.10 km² overlap
Kajbickie dubravy
IUCN IIINatural Monument
0.47 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
125 distinct species · 174 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Бирля : 29 espèces reliées par 60 interactions GloBI sur 6 types (connectance 9.5%, filtre Serrano α=0.2). 7 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°
3,7°C
Annual rain
541mm
Moisture idx (CMI)
-0,18
Runoff
136mm/an
PET
657mm
AET
454mm
Mean slope
1,7°
Water table
162cm
Forest
12%
Crops
59%
Urban
0%
Protected
16%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)