Ruisseau· 4 segments
Петреница
Crosses 1 administrative regions : Svoge
Total length
5km
Max discharge
0,4m³/s
Max Strahler
2
Segments matched
4
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- SvogeSofia · Bulgaria7.8 kmin this dpt
8 intersecting protected areas
Zapadna Stara planina i Predbalkan
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Zapaden Balkan
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vrachanski Balkan
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ponor
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vrachanski Balkan
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vrachanski balkan
IUCN VNature Park
Iskarski prolom - Rzhana
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Lakatnishki skali
IUCN VIProtected Site
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
28 distinct species · 447 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 Петреница : 8 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 8 interactions GloBI sur 2 types (connectance 22.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
5km
Max discharge
0,4m³/s
Max Strahler
2
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.