Ontologia

Rivière· 11 segments

Бистрица

Crosses 4 administrative regions : Blagoevgrad, Dupnitsa, Kyustendil, Simitli

rivière

Total length

196km

Max discharge

50,5m³/s

Max Strahler

5

Segments matched

11

River geography4 admin regions · 0 communes

Parent watershed

hybas-2080600050767 km²

4 administrative regions crossed (GADM L2)

  • Blagoevgrad
    Blagoevgrad · Bulgaria
    35.8 km
    in this dpt
  • Kyustendil
    Kyustendil · Bulgaria
    32.5 km
    in this dpt
  • Dupnitsa
    Kyustendil · Bulgaria
    15.7 km
    in this dpt
  • Simitli
    Blagoevgrad · Bulgaria
    0.0 km
    in this dpt

15 intersecting protected areas

  • Rila

    IUCN II

    National Park

  • Rila

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Rila

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Rila bufer

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Niska Rila

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

  • Osogovo

    IUCN Not Assigned

    State Game Husbandries

  • Osogovska planina

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Rilski manastir

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Rilski manastir

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

6 more protected areas

  • Rilski manastir

    IUCN V

    Nature Park

  • Osogovo

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Zemen

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Oranovski prolom - Leshko

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Karshalevo

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

  • Parangalitsa

    IUCN Ia

    Strict Nature Reserve

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

169 distinct species · 464 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Бистрица : 28 espèces reliées par 74 interactions GloBI sur 3 types (connectance 12.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
74
Connectance
0.124
Patrimoniales
0
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

196km

Max discharge

50,5m³/s

Max Strahler

5

Segments matched

11

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