HydroBASINS lev08 watershed · #2080345620
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 : Bryansk, Bryanskiy rayon
Sub-basin area
24,3km²
Upstream area
12 304,3km²
Discharge
65,11m³/s
Mean elev.
163m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Десна1412 km²
- Bassin de Болва1306 km²
2 dept-equivalent regions (GADM L2)
- 19.1 km²78.4% of basin
- Bryanskiy rayonBryansk · Russia5.3 km²21.6% of basin
2 intersecting protected areas
Natural Monument
2.59 km² overlap
Natural Monument
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 401 distinct species · 17 605 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 2 types (connectance 21.4%, 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°
5,2°C
Annual rain
573mm
Moisture idx (CMI)
-0,16
Runoff
150mm/an
PET
682mm
AET
482mm
Mean slope
1,5°
Water table
111cm
Forest
76%
Crops
4%
Urban
54%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)