Ontologia

Municipality · BGR

Varbitsa

Bulgaria

CfaTemperate, no dry season, hot summer(62 %)

Species observed

550

Observations

2 757

Area

490,6km²

Ecological tissue

Sample of 29 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 Varbitsa : 22 espèces reliées par 62 interactions GloBI sur 3 types (connectance 15.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
62
Connectance
0.153
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

550 distinct species · 2 757 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 757 obs · 13 cellules
Obs. / cellule
≥ 821
549–820
296–548
115–295
< 115

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

Climate

Mean T°

10,8°C

Annual rain

619mm

Warmest m°

25,8°C

Coldest m°

-3,5°C

Elevation: 372 m on average (min 184 m, max 884 m)

Bioclimatic detailsExpert
Annual mean temp.
10,8°C
Annual rain
619mm
Warmest month
25,8°C
Coldest month
-3,5°C
Mean alt.
372m
Min
184m
Max
884m
Std. dev.
151m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(62 %)Temperate

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

Soil & lithology

pH H₂O

6,4

Org. C

28,8g/kg

Clay

34,1%

Sand

19,2%

Silt

46,8%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
50,2g/kg
Clay
33,1%
Sand
19,7%
Silt
47,2%
5–15 cm
pH H₂O
6,4
Org. C
19,5g/kg
Clay
33,9%
Sand
19,3%
Silt
46,8%
15–30 cm
pH H₂O
6,4
Org. C
16,8g/kg
Clay
35,2%
Sand
18,6%
Silt
46,3%

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

Land cover

Forest46.1%
Crops34.5%
Built-up0.2%
Bare soil0.5%
Other (grassland, water…)18.7%

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

Hydrology2 basins · 2 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

76,3km

Lake surface here

16,28km²

Basins crossed

2

Max stream order

4

Max drainage

3 061km²

Discharge in basins

3,0m³/s

Mean precip.

626mm/an

Mean T°

10,5°C

Moisture idx

-0,31

Max snow

9%

Mean runoff

178mm/an

Mean elev. (basins)

304m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

21,0%

Pesticides

5,8kg/km²

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

Protected areas13

IUCN Not Reported · 7IUCN VI · 2IUCN IV · 2IUCN III · 2

Kotlenska planina

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

993 km²

Kotlenska planina

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2020

691 km²

Preslavska planina

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

141 km²

Ticha

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

27 km²

Ovcharovo

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

15 km²

Complete list

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