HydroBASINS lev08 watershed · #2080584660
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
163,5km²
Upstream area
1 702,4km²
Discharge
10,48m³/s
Mean elev.
704m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Јерма807 km²
- Bassin de Нишава741 km²
2 intersecting protected areas
STARA PLANINA
IUCN Not ReportedEmerald Network
41.37 km² overlap
Stara planina
IUCN VNature Park
33.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
359 distinct species · 1 890 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 : 24 espèces reliées par 72 interactions GloBI sur 4 types (connectance 12.1%, filtre Serrano α=0.2). 11 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°
8,8°C
Annual rain
626mm
Moisture idx (CMI)
-0,30
Runoff
165mm/an
PET
898mm
AET
531mm
Mean slope
9,0°
Water table
352cm
Forest
34%
Crops
14%
Urban
4%
Protected
20%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)