HydroBASINS lev08 watershed · #2080358920
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 2 administrative regions : Navlinskiy rayon, Trubchevskiy rayon
Sub-basin area
208,3km²
Upstream area
15 806,6km²
Discharge
82,59m³/s
Mean elev.
169m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Десна290 km²
- Bassin · #2080355970160 km²
2 dept-equivalent regions (GADM L2)
- Navlinskiy rayonBryansk · Russia130.8 km²62.5% of basin
- Trubchevskiy rayonBryansk · Russia78.4 km²37.5% of basin
4 intersecting protected areas
Natural Monument
5.06 km² overlap
Natural Monument
1.33 km² overlap
Natural Monument
0.59 km² overlap
Desnyanskie ZHiguli
IUCN IIINatural Monument
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
371 distinct species · 787 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 : 18 espèces reliées par 29 interactions GloBI sur 4 types (connectance 13.8%, filtre Serrano α=0.2). 3 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°
5,5°C
Annual rain
580mm
Moisture idx (CMI)
-0,17
Runoff
142mm/an
PET
696mm
AET
489mm
Mean slope
1,3°
Water table
149cm
Forest
60%
Crops
19%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)