Ontologia

Municipality · BGR

Strazhitsa

Bulgaria

CfaTemperate, no dry season, hot summer(65 %)

Species observed

129

Observations

751

Area

448,5km²

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 Strazhitsa : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 3 types (connectance 11.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
71
Connectance
0.113
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

129 distinct species · 751 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

751 obs · 12 cellules
Obs. / cellule
≥ 315
85–314
68–84
44–67
< 44

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

Climate

Mean T°

11,5°C

Annual rain

693mm

Warmest m°

26,9°C

Coldest m°

-3,8°C

Elevation: 256 m on average (min 78 m, max 458 m)

Bioclimatic detailsExpert
Annual mean temp.
11,5°C
Annual rain
693mm
Warmest month
26,9°C
Coldest month
-3,8°C
Mean alt.
256m
Min
78m
Max
458m
Std. dev.
76m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(65 %)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

29,4g/kg

Clay

40,4%

Sand

9,5%

Silt

50,1%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
51,2g/kg
Clay
40,5%
Sand
9,5%
Silt
50,0%
5–15 cm
pH H₂O
6,6
Org. C
19,2g/kg
Clay
41,3%
Sand
9,1%
Silt
49,5%
15–30 cm
pH H₂O
6,6
Org. C
17,6g/kg
Clay
39,2%
Sand
10,0%
Silt
50,8%

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

Land cover

Forest29.3%
Crops52.0%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)18.2%

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

Hydrology3 basins · 3 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

85,6km

Lake surface here

0,58km²

Basins crossed

3

Max stream order

4

Max drainage

6 611km²

Discharge in basins

2,9m³/s

Mean precip.

635mm/an

Mean T°

10,0°C

Moisture idx

-0,32

Max snow

10%

Mean runoff

147mm/an

Mean elev. (basins)

371m

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

0,2nW

Built-up

29,4%

Pesticides

5,8kg/km²

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

Protected areas5

IUCN Not Reported · 3IUCN Not Assigned · 1IUCN VI · 1

Cherni Lom

IUCN Not Assigned

State Game Husbandries · 2002

1 092 km²

Golyama reka

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2008

76 km²

Belenska gora

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2020

50 km²

Stara reka

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2008

3 km²

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