Ontologia

Commune · CAN

St. Stephen

Canada

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

Species observed

861

Observations

12 875

Area

12,8km²

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 St. Stephen : 26 espèces reliées par 76 interactions GloBI sur 4 types (connectance 12.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
76
Connectance
0.121
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

861 distinct species · 12 875 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 875 obs · 1 cellules
Obs. / cellule
≥ 12 875
12 875–12 874
12 875–12 874
12 875–12 874
< 12 875

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

Climate

Mean T°

6,7°C

Annual rain

1 186mm

Warmest m°

24,4°C

Coldest m°

-12,1°C

Elevation: 32 m on average (min 12 m, max 57 m)

Bioclimatic detailsExpert
Annual mean temp.
6,7°C
Annual rain
1 186mm
Warmest month
24,4°C
Coldest month
-12,1°C
Mean alt.
32m
Min
12m
Max
57m
Std. dev.
12m
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

4,8

Org. C

62,0g/kg

Clay

18,0%

Sand

44,6%

Silt

37,4%

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

Dominant lithology: ssGLiMaggregated to Charlotte

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,6
Org. C
120,4g/kg
Clay
17,7%
Sand
44,6%
Silt
37,7%
5–15 cm
pH H₂O
4,8
Org. C
39,2g/kg
Clay
17,9%
Sand
44,3%
Silt
37,8%
15–30 cm
pH H₂O
4,9
Org. C
26,4g/kg
Clay
18,4%
Sand
44,8%
Silt
36,8%

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

Land cover

Forest45.1%
Crops5.9%
Built-up2.4%
Bare soil0.8%
Other (grassland, water…)45.7%

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

Hydrology3 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

7,3km

Basins crossed

3

Max stream order

5

Max drainage

3 935km²

Discharge in basins

2,2m³/s

Mean precip.

1 122mm/an

Mean T°

5,8°C

Moisture idx

0,27

Max snow

34%

Mean runoff

696mm/an

Mean elev. (basins)

75m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

7,1nW

Built-up

235,6%

Pesticides

19,8kg/km²

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