Ontologia

Municipality · NOR

Hamar

Norway

DfcCold, no dry season, cold summer(65 %)

Species observed

4 740

Observations

238 442

Area

352,7km²

Ecological tissue

Sample of 29 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 Hamar : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 3 types (connectance 17.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
71
Connectance
0.175
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

4 740 distinct species · 238 442 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

238 442 obs · 14 cellules
Obs. / cellule
≥ 174 805
18 485–174 804
6 816–18 484
2 711–6 815
< 2 711

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

Climate

Mean T°

3,4°C

Annual rain

950mm

Warmest m°

18,2°C

Coldest m°

-11,3°C

Elevation: 487 m on average (min 120 m, max 902 m)

Bioclimatic detailsExpert
Annual mean temp.
3,4°C
Annual rain
950mm
Warmest month
18,2°C
Coldest month
-11,3°C
Mean alt.
487m
Min
120m
Max
902m
Std. dev.
227m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(65 %)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

130,5g/kg

Clay

9,1%

Sand

55,8%

Silt

35,1%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
184,3g/kg
Clay
9,0%
Sand
57,2%
Silt
33,8%
5–15 cm
pH H₂O
4,9
Org. C
140,9g/kg
Clay
8,2%
Sand
55,1%
Silt
36,7%
15–30 cm
pH H₂O
5,0
Org. C
66,3g/kg
Clay
10,2%
Sand
55,1%
Silt
34,7%

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

Land cover

Forest44.2%
Crops7.2%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)48.2%

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

Hydrology6 basins · 5 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

72,2km

Lake surface here

17,30km²

Basins crossed

6

Max stream order

3

Max drainage

15 519km²

Discharge in basins

15,9m³/s

Mean precip.

644mm/an

Mean T°

2,4°C

Moisture idx

0,19

Max snow

59%

Mean runoff

478mm/an

Mean elev. (basins)

460m

Watersheds crossing here

Lakes (5, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

3,3nW

Built-up

30,5%

Pesticides

20,4kg/km²

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

Protected areas14

IUCN Ia · 10IUCN Not Reported · 3IUCN III · 1
Complete list

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