Ontologia

Commune · CAN

Severn

Canada

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

Species observed

2 685

Observations

167 887

Area

585,5km²

Ecological tissue

Sample of 34 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 Severn : 25 espèces reliées par 66 interactions GloBI sur 4 types (connectance 11.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
66
Connectance
0.118
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

2 685 distinct species · 167 887 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

167 887 obs · 13 cellules
Obs. / cellule
≥ 63 132
45 060–63 131
8 819–45 059
6 029–8 818
< 6 029

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

971mm

Warmest m°

24,9°C

Coldest m°

-12,0°C

Elevation: 212 m on average (min 176 m, max 293 m)

Bioclimatic detailsExpert
Annual mean temp.
6,6°C
Annual rain
971mm
Warmest month
24,9°C
Coldest month
-12,0°C
Mean alt.
212m
Min
176m
Max
293m
Std. dev.
20m
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

5,8

Org. C

57,4g/kg

Clay

18,5%

Sand

53,0%

Silt

28,5%

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

Dominant lithology: mtGLiMaggregated to Simcoe

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
93,0g/kg
Clay
17,7%
Sand
53,1%
Silt
29,1%
5–15 cm
pH H₂O
5,8
Org. C
50,4g/kg
Clay
18,9%
Sand
52,6%
Silt
28,6%
15–30 cm
pH H₂O
5,9
Org. C
28,8g/kg
Clay
18,9%
Sand
53,2%
Silt
27,9%

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

Land cover

Forest61.0%
Crops7.7%
Built-up0.4%
Bare soil1.3%
Other (grassland, water…)29.6%

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

Hydrology4 basins · 50 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

130,3km

Lake surface here

44,55km²

Basins crossed

4

Max stream order

5

Max drainage

6 039km²

Discharge in basins

23,3m³/s

Mean precip.

935mm/an

Mean T°

5,8°C

Moisture idx

0,09

Max snow

35%

Mean runoff

247mm/an

Mean elev. (basins)

237m

Watersheds crossing here

Lakes (50, top by area)

41 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

35,8%

Pesticides

30,4kg/km²

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

Protected areas38

IUCN IV · 29IUCN Ia · 8IUCN II · 1📍 Point sites · 1
Complete list

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