Ontologia

Municipality · BGR

Strelcha

Bulgaria

CfaTemperate, no dry season, hot summer(61 %)

Species observed

136

Observations

610

Area

206,7km²

Ecological tissue

Sample of 32 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 Strelcha : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
60
Connectance
0.121
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

136 distinct species · 610 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

610 obs · 4 cellules
Obs. / cellule
≥ 290
290–289
263–289
263–262
< 263

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

Climate

Mean T°

10,9°C

Annual rain

656mm

Warmest m°

26,0°C

Coldest m°

-4,4°C

Elevation: 556 m on average (min 319 m, max 1 093 m)

Bioclimatic detailsExpert
Annual mean temp.
10,9°C
Annual rain
656mm
Warmest month
26,0°C
Coldest month
-4,4°C
Mean alt.
556m
Min
319m
Max
1 093m
Std. dev.
149m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(61 %)Temperate

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

Soil & lithology

pH H₂O

6,2

Org. C

31,1g/kg

Clay

19,2%

Sand

54,5%

Silt

26,3%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
54,4g/kg
Clay
18,6%
Sand
55,9%
Silt
25,4%
5–15 cm
pH H₂O
6,2
Org. C
21,4g/kg
Clay
17,0%
Sand
58,0%
Silt
25,0%
15–30 cm
pH H₂O
6,2
Org. C
17,4g/kg
Clay
22,1%
Sand
49,6%
Silt
28,4%

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

Land cover

Forest27.0%
Crops34.8%
Built-up0.3%
Bare soil0.7%
Other (grassland, water…)37.1%

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

Hydrology2 basins · 2 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

43,0km

Lake surface here

0,29km²

Basins crossed

2

Max stream order

3

Max drainage

8 689km²

Discharge in basins

5,7m³/s

Mean precip.

586mm/an

Mean T°

10,5°C

Moisture idx

-0,38

Max snow

7%

Mean runoff

165mm/an

Mean elev. (basins)

482m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

32,9%

Pesticides

6,3kg/km²

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

Protected areas7

IUCN Not Reported · 4IUCN III · 3

Sredna gora

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

1 103 km²

Sredna gora

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

991 km²

Popintsi

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

209 km²

Reka Luda Yana

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2008

5 km²

Complete list

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