Ontologia

Municipality · BGR

Sredets

Bulgaria

CfaTemperate, no dry season, hot summer(99 %)

Species observed

1 153

Observations

7 863

Area

1 182,5km²

Ecological tissue

Sample of 33 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 Sredets : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
67
Connectance
0.127
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

1 153 distinct species · 7 863 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 863 obs · 27 cellules
Obs. / cellule
≥ 2 253
505–2 252
293–504
168–292
< 168

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

Climate

Mean T°

12,5°C

Annual rain

593mm

Warmest m°

27,4°C

Coldest m°

-1,4°C

Elevation: 202 m on average (min 2 m, max 645 m)

Bioclimatic detailsExpert
Annual mean temp.
12,5°C
Annual rain
593mm
Warmest month
27,4°C
Coldest month
-1,4°C
Mean alt.
202m
Min
2m
Max
645m
Std. dev.
116m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(99 %)Temperate

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

25,8g/kg

Clay

32,7%

Sand

31,5%

Silt

35,8%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
45,0g/kg
Clay
31,1%
Sand
32,2%
Silt
36,7%
5–15 cm
pH H₂O
6,6
Org. C
17,5g/kg
Clay
32,2%
Sand
32,0%
Silt
35,9%
15–30 cm
pH H₂O
6,6
Org. C
14,8g/kg
Clay
34,8%
Sand
30,3%
Silt
34,9%

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

Land cover

Forest36.9%
Crops34.7%
Built-up0.2%
Bare soil0.6%
Other (grassland, water…)27.7%

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

Hydrology3 basins · 3 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

156,2km

Lake surface here

9,06km²

Basins crossed

3

Max stream order

4

Max drainage

2 431km²

Discharge in basins

4,0m³/s

Mean precip.

612mm/an

Mean T°

12,3°C

Moisture idx

-0,38

Max snow

5%

Mean runoff

139mm/an

Mean elev. (basins)

183m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

16,9%

Pesticides

6,6kg/km²

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

Protected areas20

IUCN Not Reported · 9IUCN VI · 5IUCN III · 4IUCN Not Assigned · 1IUCN V · 1🌊 Marine · 5

Tundzha

IUCN Not Assigned

State Game Husbandries · 2023

1 986 km²

Strandzha

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2008

1 536 km²

Strandzha

IUCN V

Nature Park · 1995

1 164 km²

Strandzha

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

1 164 km²

Zapadna Strandzha

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

538 km²

Complete list

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