HydroBASINS lev08 watershed · #2080041020
Bassin de Ундукса
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 : Kemskiy rayon, Loukhskiy rayon
Sub-basin area
1 097,1km²
Upstream area
1 097,1km²
Discharge
0,14m³/s
Mean elev.
30m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 931.2 km²84.3% of basin
- 169.6 km²15.4% of basin
1 intersecting protected areas
Syrovatka
IUCN IVState Natural Zakaznik
306.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
290 distinct species · 297 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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 Ундукса : 14 espèces reliées par 27 interactions GloBI sur 2 types (connectance 11.7%, filtre Serrano α=0.2). 8 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°
0,6°C
Annual rain
439mm
Moisture idx (CMI)
0,05
Runoff
186mm/an
PET
416mm
AET
331mm
Mean slope
1,3°
Water table
37cm
Forest
74%
Crops
0%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)