Ontologia

Municipality · BGR

Straldzha

Bulgaria

CfaTemperate, no dry season, hot summer(100 %)

Species observed

635

Observations

2 598

Area

650km²

Ecological tissue

Sample of 30 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 Straldzha : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 3 types (connectance 13.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
59
Connectance
0.136
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

635 distinct species · 2 598 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 598 obs · 17 cellules
Obs. / cellule
≥ 554
255–553
173–254
156–172
< 156

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

Climate

Mean T°

12,4°C

Annual rain

546mm

Warmest m°

28,0°C

Coldest m°

-2,0°C

Elevation: 202 m on average (min 99 m, max 417 m)

Bioclimatic detailsExpert
Annual mean temp.
12,4°C
Annual rain
546mm
Warmest month
28,0°C
Coldest month
-2,0°C
Mean alt.
202m
Min
99m
Max
417m
Std. dev.
58m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,8

Org. C

21,8g/kg

Clay

38,1%

Sand

22,0%

Silt

40,0%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
35,6g/kg
Clay
36,6%
Sand
22,7%
Silt
40,7%
5–15 cm
pH H₂O
6,9
Org. C
16,4g/kg
Clay
38,3%
Sand
22,0%
Silt
39,8%
15–30 cm
pH H₂O
6,8
Org. C
13,3g/kg
Clay
39,2%
Sand
21,4%
Silt
39,4%

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

Land cover

Forest13.0%
Crops65.3%
Built-up0.2%
Bare soil0.5%
Other (grassland, water…)20.9%

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

Hydrology5 basins · 3 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

61,2km

Lake surface here

0,49km²

Basins crossed

5

Max stream order

4

Max drainage

5 632km²

Discharge in basins

5,1m³/s

Mean precip.

625mm/an

Mean T°

11,8°C

Moisture idx

-0,36

Max snow

5%

Mean runoff

147mm/an

Mean elev. (basins)

217m

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

22,8%

Pesticides

5,6kg/km²

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

Protected areas10

IUCN Not Reported · 7IUCN VI · 2IUCN Not Assigned · 1

Tundzha

IUCN Not Assigned

State Game Husbandries · 2023

1 986 km²

Grebenets

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2020

99 km²

Reka Tundzha 1

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

95 km²

Reka Mochuritsa

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

87 km²

Bakadzhitsite

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

45 km²

Kompleks Straldzha

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

29 km²

Complete list

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