HydroBASINS lev08 watershed · #2080352070
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 4 administrative regions : Bryansk, Bryanskiy rayon, Navlinskiy rayon, Vygonichskiy rayon
Sub-basin area
639,5km²
Upstream area
14 503,4km²
Discharge
76,61m³/s
Mean elev.
171m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Кукоренко151 km²
- Bassin de Свень111 km²
4 dept-equivalent regions (GADM L2)
- Vygonichskiy rayonBryansk · Russia445.8 km²69.4% of basin
- Bryanskiy rayonBryansk · Russia115.7 km²18.0% of basin
- Navlinskiy rayonBryansk · Russia76.2 km²11.9% of basin
- 4.4 km²0.7% of basin
2 intersecting protected areas
Natural Monument
0.14 km² overlap
Natural Monument
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 699 distinct species · 10 082 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 : 12 espèces reliées par 36 interactions GloBI sur 4 types (connectance 30.0%, filtre Serrano α=0.2). 4 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°
5,3°C
Annual rain
572mm
Moisture idx (CMI)
-0,17
Runoff
148mm/an
PET
685mm
AET
482mm
Mean slope
1,2°
Water table
122cm
Forest
40%
Crops
33%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)