Ontologia

City · BGR

Razgrad

Bulgaria

DfaCold, no dry season, hot summer(94 %)

Species observed

543

Observations

2 287

Area

663km²

Ecological tissue

Sample of 31 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 Razgrad : 22 espèces reliées par 76 interactions GloBI sur 3 types (connectance 15.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
76
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

543 distinct species · 2 287 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 287 obs · 18 cellules
Obs. / cellule
≥ 621
463–620
109–462
71–108
< 71

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

Climate

Mean T°

11,2°C

Annual rain

638mm

Warmest m°

26,4°C

Coldest m°

-3,5°C

Elevation: 297 m on average (min 185 m, max 425 m)

Bioclimatic detailsExpert
Annual mean temp.
11,2°C
Annual rain
638mm
Warmest month
26,4°C
Coldest month
-3,5°C
Mean alt.
297m
Min
185m
Max
425m
Std. dev.
49m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(94 %)Cold

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

Soil & lithology

pH H₂O

6,6

Org. C

26,7g/kg

Clay

44,8%

Sand

8,4%

Silt

46,9%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
44,2g/kg
Clay
44,8%
Sand
8,4%
Silt
46,8%
5–15 cm
pH H₂O
6,6
Org. C
18,7g/kg
Clay
46,0%
Sand
8,0%
Silt
46,0%
15–30 cm
pH H₂O
6,6
Org. C
17,1g/kg
Clay
43,6%
Sand
8,7%
Silt
47,7%

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

Land cover

Forest16.8%
Crops65.0%
Built-up0.7%
Bare soil0.3%
Other (grassland, water…)17.2%

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

Hydrology4 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

92,8km

Lake surface here

0,22km²

Basins crossed

4

Max stream order

3

Max drainage

1 084km²

Discharge in basins

3,1m³/s

Mean precip.

615mm/an

Mean T°

10,3°C

Moisture idx

-0,34

Max snow

11%

Mean runoff

145mm/an

Mean elev. (basins)

257m

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

0,6nW

Built-up

69,0%

Pesticides

5,7kg/km²

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

Protected areas11

IUCN Not Reported · 5IUCN III · 3IUCN Not Assigned · 2IUCN VI · 1

Cherni Lom

IUCN Not Assigned

State Game Husbandries · 2002

1 092 km²

Ludogorie

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

914 km²

Ludogorie

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2020

595 km²

Lomovete

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

335 km²

Lomovete

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2020

325 km²

Complete list

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