Ontologia

Municipality · BGR

Svilengrad

Bulgaria

CfaTemperate, no dry season, hot summer(89 %)

Species observed

798

Observations

13 807

Area

687,7km²

Ecological tissue

Sample of 34 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 Svilengrad : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 4 types (connectance 13.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
77
Connectance
0.137
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

798 distinct species · 13 807 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 807 obs · 16 cellules
Obs. / cellule
≥ 4 044
2 497–4 043
758–2 496
267–757
< 267

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

Climate

Mean T°

13,0°C

Annual rain

629mm

Warmest m°

29,1°C

Coldest m°

-1,7°C

Elevation: 242 m on average (min 46 m, max 761 m)

Bioclimatic detailsExpert
Annual mean temp.
13,0°C
Annual rain
629mm
Warmest month
29,1°C
Coldest month
-1,7°C
Mean alt.
242m
Min
46m
Max
761m
Std. dev.
148m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(89 %)Temperate

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

Soil & lithology

pH H₂O

6,7

Org. C

23,2g/kg

Clay

28,0%

Sand

39,0%

Silt

33,0%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
42,0g/kg
Clay
25,2%
Sand
40,5%
Silt
34,3%
5–15 cm
pH H₂O
6,7
Org. C
15,1g/kg
Clay
25,8%
Sand
41,1%
Silt
33,1%
15–30 cm
pH H₂O
6,7
Org. C
12,5g/kg
Clay
33,1%
Sand
35,2%
Silt
31,7%

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

Land cover

Forest16.4%
Crops50.6%
Built-up0.4%
Bare soil1.0%
Other (grassland, water…)31.7%

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

Hydrology8 basins · 1 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

126,4km

Lake surface here

0,25km²

Basins crossed

8

Max stream order

5

Max drainage

21 614km²

Discharge in basins

93,7m³/s

Mean precip.

613mm/an

Mean T°

12,4°C

Moisture idx

-0,42

Max snow

6%

Mean runoff

115mm/an

Mean elev. (basins)

237m

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

35,6%

Pesticides

10,3kg/km²

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

Protected areas14

IUCN Not Reported · 6IUCN VI · 4IUCN III · 3IUCN Not Assigned · 1

Rodopi - Iztochni

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

2 176 km²

Sakar

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

1 322 km²

Sakar

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

1 257 km²

Topolovgrad

IUCN Not Assigned

State Game Husbandries · 2002

711 km²

Reka Maritsa

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2008

145 km²

Complete list

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