Ontologia

Municipality · SWE

Järfälla

Sweden

DfbCold, no dry season, warm summer(100 %)

Species observed

5 919

Observations

807 995

Area

60,9km²

Ecological tissue

Sample of 32 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 Järfälla : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 4 types (connectance 14.9%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
74
Connectance
0.149
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

5 919 distinct species · 807 995 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

807 995 obs · 4 cellules
Obs. / cellule
≥ 422 378
422 378–422 377
187 170–422 377
187 170–187 169
< 187 170

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

Climate

Mean T°

6,4°C

Annual rain

588mm

Warmest m°

21,7°C

Coldest m°

-5,6°C

Elevation: 27 m on average (min 4 m, max 51 m)

Bioclimatic detailsExpert
Annual mean temp.
6,4°C
Annual rain
588mm
Warmest month
21,7°C
Coldest month
-5,6°C
Mean alt.
27m
Min
4m
Max
51m
Std. dev.
10m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

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

Soil & lithology

pH H₂O

5,3

Org. C

89,8g/kg

Clay

27,5%

Sand

43,7%

Silt

28,8%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
120,8g/kg
Clay
26,4%
Sand
44,5%
Silt
29,1%
5–15 cm
pH H₂O
5,2
Org. C
104,6g/kg
Clay
26,7%
Sand
44,4%
Silt
28,9%
15–30 cm
pH H₂O
5,5
Org. C
44,0g/kg
Clay
29,4%
Sand
42,3%
Silt
28,3%

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

Land cover

Forest33.2%
Crops5.1%
Built-up3.8%
Bare soil1.2%
Other (grassland, water…)56.7%

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

Hydrology5 basins · 3 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

5,9km

Lake surface here

4,81km²

Basins crossed

5

Max stream order

2

Max drainage

22 700km²

Discharge in basins

17,9m³/s

Mean precip.

533mm/an

Mean T°

6,7°C

Moisture idx

-0,07

Max snow

34%

Mean runoff

195mm/an

Mean elev. (basins)

28m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

7hab/km²

Night light

24,1nW

Built-up

378,5%

Pesticides

4,3kg/km²

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

Protected areas12

IUCN V · 5IUCN Not Assigned · 5IUCN Ia · 1IUCN Not Reported · 1📍 Point sites · 1
Complete list

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