Ontologia

City · BGR

Pernik

Bulgaria

DfbCold, no dry season, warm summer(100 %)

Species observed

1 337

Observations

9 293

Area

521,5km²

Ecological tissue

Sample of 26 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 Pernik : 15 espèces reliées par 82 interactions GloBI sur 5 types (connectance 25.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
82
Connectance
0.252
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

1 337 distinct species · 9 293 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 293 obs · 13 cellules
Obs. / cellule
≥ 2 442
1 607–2 441
1 003–1 606
583–1 002
< 583

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

9,1°C

Annual rain

673mm

Warmest m°

24,3°C

Coldest m°

-6,4°C

Elevation: 900 m on average (min 664 m, max 1 882 m)

Bioclimatic detailsExpert
Annual mean temp.
9,1°C
Annual rain
673mm
Warmest month
24,3°C
Coldest month
-6,4°C
Mean alt.
900m
Min
664m
Max
1 882m
Std. dev.
191m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,5

Org. C

30,0g/kg

Clay

29,1%

Sand

32,0%

Silt

38,9%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
49,1g/kg
Clay
28,4%
Sand
32,7%
Silt
38,9%
5–15 cm
pH H₂O
6,5
Org. C
23,3g/kg
Clay
28,4%
Sand
32,9%
Silt
38,7%
15–30 cm
pH H₂O
6,5
Org. C
17,4g/kg
Clay
30,6%
Sand
30,4%
Silt
39,1%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest32.4%
Crops27.5%
Built-up1.1%
Bare soil0.8%
Other (grassland, water…)38.3%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology4 basins · 6 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

89,2km

Lake surface here

1,87km²

Basins crossed

4

Max stream order

4

Max drainage

2 682km²

Discharge in basins

3,9m³/s

Mean precip.

576mm/an

Mean T°

8,5°C

Moisture idx

-0,35

Max snow

21%

Mean runoff

223mm/an

Mean elev. (basins)

883m

Watersheds crossing here

Lakes (6, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

1,8nW

Built-up

104,7%

Pesticides

5,8kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas12

IUCN Not Reported · 5IUCN VI · 3IUCN V · 1IUCN Not Assigned · 1IUCN IV · 1IUCN III · 1

Vitosha

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

271 km²

Vitosha

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

271 km²

Vitosha

IUCN V

Nature Park · 1934

271 km²

Noevtsi

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

85 km²

Ostritsa

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

44 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN