Ontologia

District · CZE

Praha 4

Czechia

CfbTemperate, no dry season, warm summer(64 %)

Species observed

1 920

Observations

34 317

Area

31,7km²

Ecological tissue

Sample of 33 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 Praha 4 : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 115 interactions GloBI sur 5 types (connectance 18.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
115
Connectance
0.182
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

1 920 distinct species · 34 317 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

34 317 obs · 1 cellules
Obs. / cellule
≥ 34 317
34 317–34 316
34 317–34 316
34 317–34 316
< 34 317

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

Climate

Mean T°

9,3°C

Annual rain

550mm

Warmest m°

23,7°C

Coldest m°

-3,6°C

Elevation: 264 m on average (min 211 m, max 322 m)

Bioclimatic detailsExpert
Annual mean temp.
9,3°C
Annual rain
550mm
Warmest month
23,7°C
Coldest month
-3,6°C
Mean alt.
264m
Min
211m
Max
322m
Std. dev.
26m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(64 %)Temperate

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

Soil & lithology

pH H₂O

6,4

Org. C

29,6g/kg

Clay

28,6%

Sand

27,8%

Silt

43,6%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
49,1g/kg
Clay
26,3%
Sand
29,3%
Silt
44,4%
5–15 cm
pH H₂O
6,4
Org. C
25,1g/kg
Clay
28,1%
Sand
28,2%
Silt
43,8%
15–30 cm
pH H₂O
6,5
Org. C
14,6g/kg
Clay
31,6%
Sand
25,9%
Silt
42,5%

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

Land cover

Forest13.7%
Crops13.4%
Built-up10.1%
Bare soil0.4%
Other (grassland, water…)62.3%

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

Hydrology1 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

10,9km

Lake surface here

0,12km²

Basins crossed

1

Max stream order

3

Max drainage

28 095km²

Discharge in basins

3,3m³/s

Mean precip.

515mm/an

Mean T°

8,2°C

Moisture idx

-0,33

Max snow

9%

Mean runoff

130mm/an

Mean elev. (basins)

288m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

24hab/km²

Night light

29,6nW

Built-up

1 014,2%

Pesticides

21,6kg/km²

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

Protected areas3

IUCN III · 2IUCN IV · 1

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