HydroBASINS lev08 watershed · #2080331380
Bassin de Десна
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 7 administrative regions : Desnogorsk, El'ninskiy rayon, Glinkovskiy rayon, Kuybyshevskiy rayon, Pochinkovskiy rayon +2
Sub-basin area
2 304,1km²
Upstream area
2 304,2km²
Discharge
13,12m³/s
Mean elev.
218m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
7 dept-equivalent regions (GADM L2)
- Roslavl'skiy rayonSmolensk · Russia786.8 km²34.0% of basin
- El'ninskiy rayonSmolensk · Russia712.6 km²30.8% of basin
- Glinkovskiy rayonSmolensk · Russia367.5 km²15.9% of basin
- Rognedinskiy rayonBryansk · Russia187.1 km²8.1% of basin
- Pochinkovskiy rayonSmolensk · Russia150.9 km²6.5% of basin
- 107.4 km²4.6% of basin
- DesnogorskSmolensk · Russia1.9 km²0.1% of basin
6 intersecting protected areas
El`ninskij
IUCN IVState Natural Zakaznik
127.03 km² overlap
Sokolij bor
IUCN IIINatural Monument
2.41 km² overlap
Natural Monument
1.07 km² overlap
Istok r. Oster
IUCN IIINatural Monument
0.74 km² overlap
Urochishhe Bajdakovka
IUCN IIINatural Monument
0.28 km² overlap
Natural Monument
0.24 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
656 distinct species · 1 519 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Десна : 25 espèces reliées par 76 interactions GloBI sur 5 types (connectance 14.4%, 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°
4,9°C
Annual rain
618mm
Moisture idx (CMI)
-0,06
Runoff
184mm/an
PET
655mm
AET
494mm
Mean slope
1,0°
Water table
105cm
Forest
43%
Crops
32%
Urban
1%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)