Ontologia

Municipality · BGR

Svishtov

Bulgaria

DfaCold, no dry season, hot summer(62 %)

Species observed

804

Observations

13 370

Area

640,7km²

Ecological tissue

Sample of 35 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 Svishtov : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 85 interactions GloBI sur 4 types (connectance 13.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
85
Connectance
0.135
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

804 distinct species · 13 370 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 370 obs · 17 cellules
Obs. / cellule
≥ 3 220
1 996–3 219
671–1 995
507–670
< 507

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

Climate

Mean T°

12,3°C

Annual rain

582mm

Warmest m°

28,3°C

Coldest m°

-4,2°C

Elevation: 108 m on average (min 16 m, max 223 m)

Bioclimatic detailsExpert
Annual mean temp.
12,3°C
Annual rain
582mm
Warmest month
28,3°C
Coldest month
-4,2°C
Mean alt.
108m
Min
16m
Max
223m
Std. dev.
54m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(62 %)Cold

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

Soil & lithology

pH H₂O

7,1

Org. C

25,1g/kg

Clay

34,0%

Sand

9,8%

Silt

56,2%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
41,5g/kg
Clay
34,4%
Sand
9,8%
Silt
55,9%
5–15 cm
pH H₂O
7,1
Org. C
18,5g/kg
Clay
34,8%
Sand
9,4%
Silt
55,7%
15–30 cm
pH H₂O
7,1
Org. C
15,3g/kg
Clay
32,9%
Sand
10,1%
Silt
57,0%

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

Land cover

Forest8.8%
Crops72.7%
Built-up0.5%
Bare soil0.3%
Other (grassland, water…)17.7%

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

Hydrology5 basins · 6 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

100,0km

Lake surface here

1,67km²

Basins crossed

5

Max stream order

8

Max drainage

634 984km²

Discharge in basins

727,4m³/s

Mean precip.

583mm/an

Mean T°

11,2°C

Moisture idx

-0,42

Max snow

11%

Mean runoff

104mm/an

Mean elev. (basins)

104m

Watersheds crossing here

Lakes (6, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

47,7%

Pesticides

6,2kg/km²

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

Protected areas24

IUCN Not Reported · 13IUCN VI · 7IUCN Ia · 2IUCN V · 1IUCN IV · 1

Persina

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

257 km²

Persina

IUCN V

Nature Park · 2000

224 km²

Obnova - Karaman dol

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

108 km²

Complete list

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