Ontologia

Municipality · NOR

Bærum

Norway

DfbCold, no dry season, warm summer(97 %)

Species observed

10 943

Observations

520 050

Area

200km²

Ecological tissue

Sample of 36 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 Bærum : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 88 interactions GloBI sur 5 types (connectance 14.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
88
Connectance
0.140
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

10 943 distinct species · 520 050 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

520 050 obs · 8 cellules
Obs. / cellule
≥ 292 096
292 096–292 095
53 576–292 095
46 574–53 575
< 46 574

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

Climate

Mean T°

5,4°C

Annual rain

1 047mm

Warmest m°

19,9°C

Coldest m°

-9,0°C

Elevation: 211 m on average (min -48 m, max 487 m)

Bioclimatic detailsExpert
Annual mean temp.
5,4°C
Annual rain
1 047mm
Warmest month
19,9°C
Coldest month
-9,0°C
Mean alt.
211m
Min
-48m
Max
487m
Std. dev.
124m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(97 %)Cold

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

Soil & lithology

pH H₂O

4,9

Org. C

123,4g/kg

Clay

10,0%

Sand

55,4%

Silt

34,6%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,7
Org. C
164,4g/kg
Clay
9,7%
Sand
56,0%
Silt
34,3%
5–15 cm
pH H₂O
4,8
Org. C
138,6g/kg
Clay
9,0%
Sand
54,8%
Silt
36,2%
15–30 cm
pH H₂O
5,0
Org. C
67,2g/kg
Clay
11,1%
Sand
55,6%
Silt
33,3%

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

Land cover

Forest57.7%
Crops3.6%
Built-up1.6%
Bare soil0.2%
Other (grassland, water…)36.9%

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

Hydrology4 basins · 13 lakes · 16 rivers

Hydrology metrics for this exact territory

Stream length here

59,4km

Lake surface here

2,61km²

Basins crossed

4

Max stream order

3

Max drainage

10 151km²

Discharge in basins

2,6m³/s

Mean precip.

772mm/an

Mean T°

4,5°C

Moisture idx

0,30

Max snow

50%

Mean runoff

632mm/an

Mean elev. (basins)

296m

Watersheds crossing here

Lakes (13, top by area)

4 more lakes

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

Human pressure

Pop. density

3hab/km²

Night light

14,4nW

Built-up

161,3%

Pesticides

10,5kg/km²

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

Protected areas53

IUCN Ia · 35IUCN Not Reported · 9IUCN III · 7IUCN V · 1IUCN IV · 1🌊 Marine · 19

Ramsås

IUCN Ia

Nature Reserve · 2022

2 km²

Complete list

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