Ontologia

Commune · CAN

Saint-Séverin

Canada

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

Species observed

148

Observations

278

Area

62,6km²

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 Saint-Séverin : 24 espèces + 5 bulles famille, 37 interactions GloBI documentées sur 3 types (connectance 9.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
29
Interactions affichées
37
Connectance
0.091
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

148 distinct species · 278 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

278 obs · 2 cellules
Obs. / cellule
≥ 238
238–237
238–237
238–237
< 238

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

Climate

Mean T°

4,9°C

Annual rain

1 200mm

Warmest m°

24,1°C

Coldest m°

-16,7°C

Elevation: 131 m on average (min 117 m, max 157 m)

Bioclimatic detailsExpert
Annual mean temp.
4,9°C
Annual rain
1 200mm
Warmest month
24,1°C
Coldest month
-16,7°C
Mean alt.
131m
Min
117m
Max
157m
Std. dev.
7m
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

5,3

Org. C

68,5g/kg

Clay

20,1%

Sand

47,3%

Silt

32,7%

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

Dominant lithology: mtGLiMaggregated to Mékinac

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
104,2g/kg
Clay
19,8%
Sand
47,0%
Silt
33,1%
5–15 cm
pH H₂O
5,4
Org. C
67,6g/kg
Clay
20,8%
Sand
46,6%
Silt
32,6%
15–30 cm
pH H₂O
5,4
Org. C
33,6g/kg
Clay
19,6%
Sand
48,2%
Silt
32,2%

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

Land cover

Forest39.4%
Crops24.5%
Built-up0.3%
Bare soil3.6%
Other (grassland, water…)32.2%

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

Hydrology3 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

19,8km

Basins crossed

3

Max stream order

3

Max drainage

4 722km²

Discharge in basins

1,8m³/s

Mean precip.

1 067mm/an

Mean T°

3,9°C

Moisture idx

0,28

Max snow

42%

Mean runoff

609mm/an

Mean elev. (basins)

211m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

28,0%

Pesticides

32,0kg/km²

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