HydroBASINS lev08 watershed · #2080583700
Bassin de Нишава
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 1 administrative regions : Pirot
Sub-basin area
35,7km²
Upstream area
1 962,8km²
Discharge
11,89m³/s
Mean elev.
532m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Костурска река225 km²
- Bassin de Нишава164 km²
2 intersecting protected areas
Stara planina
IUCN VNature Park
0.78 km² overlap
STARA PLANINA
IUCN Not ReportedEmerald Network
0.37 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
487 distinct species · 1 618 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 Нишава : 19 espèces reliées par 31 interactions GloBI sur 3 types (connectance 14.8%, filtre Serrano α=0.2). 2 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°
9,7°C
Annual rain
610mm
Moisture idx (CMI)
-0,35
Runoff
157mm/an
PET
939mm
AET
519mm
Mean slope
9,5°
Water table
379cm
Forest
5%
Crops
19%
Urban
5%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)