Ontologia

Municipality · NOR

Frogn

Norway

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

Species observed

9 128

Observations

244 966

Area

83,9km²

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 Frogn : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 82 interactions GloBI sur 4 types (connectance 14.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
82
Connectance
0.146
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

9 128 distinct species · 244 966 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

244 966 obs · 4 cellules
Obs. / cellule
≥ 79 650
79 650–79 649
77 957–79 649
77 957–77 956
< 77 957

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

Climate

Mean T°

6,5°C

Annual rain

970mm

Warmest m°

21,1°C

Coldest m°

-7,4°C

Elevation: 77 m on average (min -143 m, max 130 m)

Bioclimatic detailsExpert
Annual mean temp.
6,5°C
Annual rain
970mm
Warmest month
21,1°C
Coldest month
-7,4°C
Mean alt.
77m
Min
-143m
Max
130m
Std. dev.
35m
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

80,5g/kg

Clay

17,1%

Sand

48,9%

Silt

34,0%

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
118,9g/kg
Clay
17,3%
Sand
48,5%
Silt
34,3%
5–15 cm
pH H₂O
5,2
Org. C
86,2g/kg
Clay
17,2%
Sand
47,0%
Silt
35,8%
15–30 cm
pH H₂O
5,3
Org. C
36,3g/kg
Clay
16,8%
Sand
51,3%
Silt
31,9%

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

Land cover

Forest54.3%
Crops13.1%
Built-up0.6%
Bare soil0.9%
Other (grassland, water…)31.2%

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

Hydrology2 basins · 2 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

8,2km

Lake surface here

0,86km²

Basins crossed

2

Max stream order

2

Max drainage

636km²

Discharge in basins

0,3m³/s

Mean precip.

762mm/an

Mean T°

6,1°C

Moisture idx

0,30

Max snow

40%

Mean runoff

577mm/an

Mean elev. (basins)

95m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

4,3nW

Built-up

57,2%

Pesticides

10,0kg/km²

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

Protected areas8

IUCN Ia · 5IUCN Not Reported · 1IUCN IV · 1IUCN III · 1🌊 Marine · 4

Smihagen

IUCN Ia

Nature Reserve · 1982

0 km²

Danmark

IUCN Ia

Nature Reserve · 2008

0 km²

Stakaskjær

IUCN IV

Wildlife Conservation Area · 2009

0 km²

Complete list

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