HydroBASINS lev08 watershed · #2080567630
Bassin de Сиколска река
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 3 administrative regions across 2 countries : Bregovo, Negotin, Zaječar
Sub-basin area
435,7km²
Upstream area
435,9km²
Discharge
1,41m³/s
Mean elev.
244m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 424.9 km²97.3% of basin
- 11.7 km²2.7% of basin
- 0.0 km²0.0% of basin
3 intersecting protected areas
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
424 distinct species · 829 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 Сиколска река : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 5 types (connectance 22.9%, filtre Serrano α=0.2). 6 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°
10,4°C
Annual rain
638mm
Moisture idx (CMI)
-0,31
Runoff
102mm/an
PET
934mm
AET
541mm
Mean slope
4,3°
Water table
360cm
Forest
19%
Crops
45%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)