Ontologia

Town|Municipal · SRB

Valjevo

Serbia

CfaTemperate, no dry season, hot summer(37 %)

Species observed

2 331

Observations

9 386

Area

926,4km²

Ecological tissue

Sample of 31 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 Valjevo : 25 espèces reliées par 76 interactions GloBI sur 4 types (connectance 16.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
76
Connectance
0.163
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

2 331 distinct species · 9 386 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 386 obs · 22 cellules
Obs. / cellule
≥ 1 699
1 290–1 698
473–1 289
96–472
< 96

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

Climate

Mean T°

10,3°C

Annual rain

997mm

Warmest m°

25,0°C

Coldest m°

-4,7°C

Elevation: 492 m on average (min 138 m, max 1 139 m)

Bioclimatic detailsExpert
Annual mean temp.
10,3°C
Annual rain
997mm
Warmest month
25,0°C
Coldest month
-4,7°C
Mean alt.
492m
Min
138m
Max
1 139m
Std. dev.
252m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(37 %)Temperate

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

Soil & lithology

pH H₂O

6,1

Org. C

35,3g/kg

Clay

30,9%

Sand

30,6%

Silt

38,4%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
58,7g/kg
Clay
30,5%
Sand
31,3%
Silt
38,2%
5–15 cm
pH H₂O
6,1
Org. C
29,3g/kg
Clay
30,9%
Sand
30,7%
Silt
38,4%
15–30 cm
pH H₂O
6,1
Org. C
18,1g/kg
Clay
31,4%
Sand
29,9%
Silt
38,7%

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

Land cover

Forest48.6%
Crops16.1%
Built-up0.7%
Bare soil0.6%
Other (grassland, water…)34.0%

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

Hydrology8 basins · 0 lakes · 31 rivers

Hydrology metrics for this exact territory

Stream length here

196,3km

Basins crossed

8

Max stream order

3

Max drainage

14 748km²

Discharge in basins

18,6m³/s

Mean precip.

818mm/an

Mean T°

10,2°C

Moisture idx

-0,09

Max snow

15%

Mean runoff

185mm/an

Mean elev. (basins)

422m

Watersheds crossing here

Rivers / streams (31, ord ≥ 4)

19 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

1,4nW

Built-up

66,1%

Pesticides

20,9kg/km²

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

Protected areas5

IUCN V · 2IUCN III · 2IUCN Not Reported · 1

Maljen

IUCN V

Landscape of Outstanding Qualities · 2021

101 km²

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