Ontologia

Ruisseau· 2 segments

Колченица

Crosses 3 administrative regions : Breznik, Dragoman, Tran

ruisseau

Total length

4km

Max discharge

1m³/s

Max Strahler

2

Segments matched

2

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080585990741 km²

3 administrative regions crossed (GADM L2)

  • Dragoman
    Sofia · Bulgaria
    9.1 km
    in this dpt
  • Breznik
    Pernik · Bulgaria
    0.0 km
    in this dpt
  • Tran
    Pernik · Bulgaria
    0.0 km
    in this dpt

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

68 distinct species · 69 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Колченица : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 3 types (connectance 11.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
59
Connectance
0.112
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

4km

Max discharge

1,0m³/s

Max Strahler

2

Segments matched

2

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.