Ontologia

Municipality · BGR

Mezdra

Bulgaria

CfaTemperate, no dry season, hot summer(55 %)

Species observed

723

Observations

3 810

Area

559,8km²

Ecological tissue

Sample of 28 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 Mezdra : 18 espèces reliées par 75 interactions GloBI sur 3 types (connectance 18.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
75
Connectance
0.185
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

723 distinct species · 3 810 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 810 obs · 12 cellules
Obs. / cellule
≥ 828
712–827
380–711
257–379
< 257

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

Climate

Mean T°

10,6°C

Annual rain

741mm

Warmest m°

25,7°C

Coldest m°

-5,5°C

Elevation: 469 m on average (min 184 m, max 1 439 m)

Bioclimatic detailsExpert
Annual mean temp.
10,6°C
Annual rain
741mm
Warmest month
25,7°C
Coldest month
-5,5°C
Mean alt.
469m
Min
184m
Max
1 439m
Std. dev.
215m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(55 %)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

33,8g/kg

Clay

32,9%

Sand

26,2%

Silt

40,9%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
55,4g/kg
Clay
31,9%
Sand
27,5%
Silt
40,5%
5–15 cm
pH H₂O
6,4
Org. C
25,6g/kg
Clay
32,9%
Sand
26,8%
Silt
40,2%
15–30 cm
pH H₂O
6,4
Org. C
20,2g/kg
Clay
33,7%
Sand
24,2%
Silt
42,0%

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

Land cover

Forest48.1%
Crops24.0%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)27.2%

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

Hydrology4 basins · 1 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

112,6km

Lake surface here

0,21km²

Basins crossed

4

Max stream order

4

Max drainage

8 511km²

Discharge in basins

11,1m³/s

Mean precip.

660mm/an

Mean T°

9,1°C

Moisture idx

-0,25

Max snow

12%

Mean runoff

171mm/an

Mean elev. (basins)

670m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

40,7%

Pesticides

5,9kg/km²

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

Protected areas11

IUCN Not Reported · 6IUCN III · 3IUCN V · 1IUCN VI · 1

Vrachanski Balkan

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2020

360 km²

Vrachanski Balkan

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

309 km²

Karlukovo

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

288 km²

Karlukovski karst

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

142 km²

Complete list

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