HydroBASINS lev08 watershed · #3080019210
Bassin de Сиглан
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 : Ol'skiy rayon
Sub-basin area
2 034,8km²
Upstream area
2 034,8km²
Discharge
16,53m³/s
Mean elev.
304m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 2045.9 km²100.0% of basin
1 intersecting protected areas
Odyan
IUCN IVState Natural Zakaznik
71.09 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
86 distinct species · 106 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 Сиглан : 7 espèces reliées par 9 interactions GloBI sur 1 type (connectance 13.6%, filtre Serrano α=0.2). 5 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°
-5,1°C
Annual rain
483mm
Moisture idx (CMI)
0,28
Runoff
336mm/an
PET
349mm
AET
298mm
Mean slope
6,1°
Water table
129cm
Forest
60%
Crops
0%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)