Ontologia

Municipality · BGR

Preslav

Bulgaria

CfaTemperate, no dry season, hot summer(90 %)

Species observed

312

Observations

1 701

Area

328,4km²

Ecological tissue

Sample of 25 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 Preslav : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 55 interactions GloBI sur 3 types (connectance 18.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
55
Connectance
0.183
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

312 distinct species · 1 701 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 701 obs · 8 cellules
Obs. / cellule
≥ 1 203
1 203–1 202
144–1 202
76–143
< 76

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

Climate

Mean T°

11,6°C

Annual rain

550mm

Warmest m°

27,0°C

Coldest m°

-3,2°C

Elevation: 198 m on average (min 64 m, max 528 m)

Bioclimatic detailsExpert
Annual mean temp.
11,6°C
Annual rain
550mm
Warmest month
27,0°C
Coldest month
-3,2°C
Mean alt.
198m
Min
64m
Max
528m
Std. dev.
99m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(90 %)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

26,2g/kg

Clay

34,0%

Sand

14,9%

Silt

51,1%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
43,1g/kg
Clay
33,7%
Sand
15,2%
Silt
51,2%
5–15 cm
pH H₂O
6,9
Org. C
18,4g/kg
Clay
34,1%
Sand
14,9%
Silt
51,1%
15–30 cm
pH H₂O
6,9
Org. C
17,3g/kg
Clay
34,3%
Sand
14,6%
Silt
51,1%

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

Land cover

Forest24.4%
Crops55.3%
Built-up0.6%
Bare soil0.4%
Other (grassland, water…)19.3%

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

Hydrology2 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

62,2km

Lake surface here

0,10km²

Basins crossed

2

Max stream order

5

Max drainage

3 061km²

Discharge in basins

2,0m³/s

Mean precip.

626mm/an

Mean T°

10,5°C

Moisture idx

-0,31

Max snow

9%

Mean runoff

178mm/an

Mean elev. (basins)

302m

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

56,6%

Pesticides

5,6kg/km²

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

Protected areas13

IUCN Not Reported · 5IUCN VI · 4IUCN IV · 2IUCN V · 1IUCN Ia · 1

Preslavska planina

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

141 km²

Shumensko plato

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2020

45 km²

Ticha

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

27 km²

Golyama Kamchia

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2008

6 km²

Complete list

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