Ontologia

City · BGR

Shumen

Bulgaria

CfaTemperate, no dry season, hot summer(86 %)

Species observed

779

Observations

9 489

Area

682,3km²

Ecological tissue

Sample of 27 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 Shumen : 20 espèces reliées par 61 interactions GloBI sur 4 types (connectance 17.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
61
Connectance
0.174
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

779 distinct species · 9 489 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 489 obs · 19 cellules
Obs. / cellule
≥ 3 490
1 163–3 489
547–1 162
149–546
< 149

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

Climate

Mean T°

11,4°C

Annual rain

551mm

Warmest m°

26,9°C

Coldest m°

-3,3°C

Elevation: 217 m on average (min 64 m, max 446 m)

Bioclimatic detailsExpert
Annual mean temp.
11,4°C
Annual rain
551mm
Warmest month
26,9°C
Coldest month
-3,3°C
Mean alt.
217m
Min
64m
Max
446m
Std. dev.
81m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(86 %)Temperate

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

Soil & lithology

pH H₂O

6,9

Org. C

25,0g/kg

Clay

37,4%

Sand

10,6%

Silt

52,0%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
41,1g/kg
Clay
37,1%
Sand
10,8%
Silt
52,1%
5–15 cm
pH H₂O
7,0
Org. C
17,6g/kg
Clay
38,2%
Sand
10,4%
Silt
51,4%
15–30 cm
pH H₂O
6,9
Org. C
16,2g/kg
Clay
37,0%
Sand
10,7%
Silt
52,3%

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

Land cover

Forest14.9%
Crops65.7%
Built-up0.9%
Bare soil0.3%
Other (grassland, water…)18.1%

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

Hydrology3 basins · 6 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

116,7km

Lake surface here

1,46km²

Basins crossed

3

Max stream order

5

Max drainage

3 061km²

Discharge in basins

4,0m³/s

Mean precip.

604mm/an

Mean T°

10,8°C

Moisture idx

-0,33

Max snow

10%

Mean runoff

172mm/an

Mean elev. (basins)

257m

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

1,1nW

Built-up

93,2%

Pesticides

5,6kg/km²

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

Protected areas11

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

Palamara

IUCN Not Assigned

State Game Husbandries · 2002

1 066 km²

Shumensko plato

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2020

45 km²

Kamenitsa

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2020

15 km²

Complete list

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