Ontologia

City · BGR

Pleven

Bulgaria

CfaTemperate, no dry season, hot summer(53 %)

Species observed

617

Observations

5 120

Area

789,4km²

Ecological tissue

Sample of 36 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 Pleven : 26 espèces reliées par 110 interactions GloBI sur 4 types (connectance 16.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
110
Connectance
0.165
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

617 distinct species · 5 120 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 120 obs · 19 cellules
Obs. / cellule
≥ 1 130
854–1 129
258–853
144–257
< 144

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

Climate

Mean T°

12,0°C

Annual rain

601mm

Warmest m°

27,8°C

Coldest m°

-4,1°C

Elevation: 212 m on average (min 47 m, max 383 m)

Bioclimatic detailsExpert
Annual mean temp.
12,0°C
Annual rain
601mm
Warmest month
27,8°C
Coldest month
-4,1°C
Mean alt.
212m
Min
47m
Max
383m
Std. dev.
73m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(53 %)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

24,8g/kg

Clay

37,4%

Sand

10,4%

Silt

52,2%

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
39,8g/kg
Clay
37,4%
Sand
10,5%
Silt
52,1%
5–15 cm
pH H₂O
6,7
Org. C
18,5g/kg
Clay
38,0%
Sand
10,1%
Silt
51,9%
15–30 cm
pH H₂O
6,7
Org. C
16,2g/kg
Clay
36,8%
Sand
10,7%
Silt
52,5%

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

Land cover

Forest10.4%
Crops71.8%
Built-up0.8%
Bare soil0.2%
Other (grassland, water…)16.8%

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

Hydrology7 basins · 2 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

109,2km

Lake surface here

0,25km²

Basins crossed

7

Max stream order

4

Max drainage

3 077km²

Discharge in basins

6,8m³/s

Mean precip.

609mm/an

Mean T°

10,4°C

Moisture idx

-0,36

Max snow

12%

Mean runoff

133mm/an

Mean elev. (basins)

321m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

1,0nW

Built-up

81,5%

Pesticides

5,6kg/km²

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

Protected areas22

IUCN VI · 12IUCN Not Reported · 5IUCN III · 5

Studenets

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

279 km²

Studenets

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

279 km²

Obnova - Karaman dol

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

108 km²

Reka Vit

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2021

57 km²

Obnova

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

54 km²

Kaylaka

IUCN VI

Protected Site · 1972

10 km²

Complete list

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