Ontologia

Commune · CAN

Saint Stephen

Canada

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

Species observed

544

Observations

2 059

Area

102,3km²

Ecological tissue

Sample of 52 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 Stephen : 43 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 118 interactions GloBI sur 5 types (connectance 8.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
52
Interactions affichées
118
Connectance
0.089
Patrimoniales
4
Plus dense que (national)0 %(top 100%)

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

Species present

544 distinct species · 2 059 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 059 obs · 2 cellules
Obs. / cellule
≥ 1 892
1 892–1 891
1 892–1 891
1 892–1 891
< 1 892

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

1 218mm

Warmest m°

24,3°C

Coldest m°

-12,3°C

Elevation: 67 m on average (min 12 m, max 127 m)

Bioclimatic detailsExpert
Annual mean temp.
6,6°C
Annual rain
1 218mm
Warmest month
24,3°C
Coldest month
-12,3°C
Mean alt.
67m
Min
12m
Max
127m
Std. dev.
25m
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

4,6

Org. C

71,1g/kg

Clay

17,2%

Sand

44,5%

Silt

38,3%

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
4,5
Org. C
142,7g/kg
Clay
17,0%
Sand
44,4%
Silt
38,7%
5–15 cm
pH H₂O
4,6
Org. C
46,1g/kg
Clay
17,1%
Sand
44,4%
Silt
38,6%
15–30 cm
pH H₂O
4,8
Org. C
24,6g/kg
Clay
17,6%
Sand
44,7%
Silt
37,7%

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

Land cover

Forest73.7%
Crops2.6%
Built-up0.1%
Bare soil0.3%
Other (grassland, water…)23.2%

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

Hydrology4 basins · 4 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

27,4km

Lake surface here

1,87km²

Basins crossed

4

Max stream order

5

Max drainage

3 935km²

Discharge in basins

12,8m³/s

Mean precip.

1 120mm/an

Mean T°

5,8°C

Moisture idx

0,28

Max snow

35%

Mean runoff

691mm/an

Mean elev. (basins)

82m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

14,3%

Pesticides

22,4kg/km²

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

Protected areas2

IUCN Ib · 1IUCN II · 1

4042300

IUCN II

Nature Legacy protected area · 2022

0 km²

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