Ontologia

Municipality · SWE

Södertälje

Sweden

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

Species observed

7 958

Observations

647 238

Area

605,6km²

Ecological tissue

Sample of 28 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 Södertälje : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 4 types (connectance 16.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
68
Connectance
0.168
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

7 958 distinct species · 647 238 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

647 238 obs · 22 cellules
Obs. / cellule
≥ 214 434
37 739–214 433
27 035–37 738
16 222–27 034
< 16 222

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

Climate

Mean T°

6,6°C

Annual rain

611mm

Warmest m°

21,3°C

Coldest m°

-5,0°C

Elevation: 32 m on average (min -28 m, max 68 m)

Bioclimatic detailsExpert
Annual mean temp.
6,6°C
Annual rain
611mm
Warmest month
21,3°C
Coldest month
-5,0°C
Mean alt.
32m
Min
-28m
Max
68m
Std. dev.
18m
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

5,2

Org. C

89,7g/kg

Clay

28,5%

Sand

39,2%

Silt

32,4%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
118,6g/kg
Clay
28,1%
Sand
39,4%
Silt
32,5%
5–15 cm
pH H₂O
5,1
Org. C
105,9g/kg
Clay
28,6%
Sand
39,0%
Silt
32,5%
15–30 cm
pH H₂O
5,4
Org. C
44,7g/kg
Clay
28,8%
Sand
39,1%
Silt
32,1%

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

Land cover

Forest48.4%
Crops10.0%
Built-up0.6%
Bare soil1.4%
Other (grassland, water…)39.8%

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

Hydrology4 basins · 41 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

52,8km

Lake surface here

69,17km²

Basins crossed

4

Max stream order

3

Max drainage

22 700km²

Discharge in basins

13,6m³/s

Mean precip.

526mm/an

Mean T°

6,6°C

Moisture idx

-0,07

Max snow

37%

Mean runoff

193mm/an

Mean elev. (basins)

32m

Lakes (41, top by area)

32 more lakes

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

Human pressure

Pop. density

1hab/km²

Night light

3,2nW

Built-up

56,3%

Pesticides

2,8kg/km²

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

Protected areas100

IUCN Ia · 34IUCN Not Reported · 28IUCN IV · 14IUCN Not Assigned · 13IUCN V · 9IUCN Not Applicable · 2🌊 Marine · 31📍 Point sites · 6

Tullgarn södra

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2011

20 km²

Complete list

+ 40 protected areas (top 60 shown)

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