Ontologia

District · srb

Zaječarski

Serbia

DfbCold, no dry season, warm summer(50 %)

Species observed

3 423

Observations

26 670

Area

3 492,6km²

Ecological tissue

Sample of 23 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 Zaječarski : 18 espèces reliées par 47 interactions GloBI sur 4 types (connectance 18.6%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
47
Connectance
0.186
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

3 423 distinct species · 26 670 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 670 obs · 88 cellules
Obs. / cellule
≥ 2 754
992–2 753
221–991
93–220
< 93

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

Climate

Mean T°

10,2°C

Annual rain

760mm

Warmest m°

25,7°C

Coldest m°

-5,1°C

Elevation: 502 m on average (min 70 m, max 1 691 m)

Bioclimatic detailsExpert
Annual mean temp.
10,2°C
Annual rain
760mm
Warmest month
25,7°C
Coldest month
-5,1°C
Mean alt.
502m
Min
70m
Max
1 691m
Std. dev.
232m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(50 %)Cold

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

30,6g/kg

Clay

30,9%

Sand

31,6%

Silt

37,5%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
51,6g/kg
Clay
30,1%
Sand
32,3%
Silt
37,6%
5–15 cm
pH H₂O
6,3
Org. C
23,4g/kg
Clay
30,7%
Sand
32,0%
Silt
37,3%
15–30 cm
pH H₂O
6,3
Org. C
16,9g/kg
Clay
32,1%
Sand
30,3%
Silt
37,5%

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

Land cover

Forest50.3%
Crops20.5%
Built-up0.3%
Bare soil0.2%
Other (grassland, water…)28.7%

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

Hydrology14 basins · 2 lakes · 80 rivers

Hydrology metrics for this exact territory

Stream length here

800,2km

Lake surface here

1,99km²

Basins crossed

14

Max stream order

5

Max drainage

569 941km²

Discharge in basins

87,3m³/s

Mean precip.

665mm/an

Mean T°

9,6°C

Moisture idx

-0,26

Max snow

17%

Mean runoff

123mm/an

Mean elev. (basins)

488m

Watersheds crossing here

5 more basins

Lakes (2, top by area)

Rivers / streams (80, ord ≥ 4)

68 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

28,0%

Pesticides

19,3kg/km²

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

Protected areas16

IUCN Not Reported · 7IUCN III · 5IUCN V · 2IUCN IV · 2

Rtanj

IUCN IV

Nature Reserve · 2019

54 km²

RTANJ

IUCN Not Reported

Emerald Network

54 km²

Ozrenske livade

IUCN Not Reported

Landscape of Outstanding Qualities · 1973

7 km²

Complete list

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

Sub-administrations4