Ontologia

Commune · CAN

Sarnia 45

Canada

DfaCold, no dry season, hot summer(100 %)

Species observed

954

Observations

10 728

Area

12,8km²

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 Sarnia 45 : 21 espèces reliées par 72 interactions GloBI sur 4 types (connectance 12.8%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
72
Connectance
0.128
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

954 distinct species · 10 728 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 728 obs · 1 cellules
Obs. / cellule
≥ 10 728
10 728–10 727
10 728–10 727
10 728–10 727
< 10 728

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

Climate

Mean T°

9,1°C

Annual rain

972mm

Warmest m°

26,3°C

Coldest m°

-7,7°C

Elevation: 186 m on average (min 177 m, max 190 m)

Bioclimatic detailsExpert
Annual mean temp.
9,1°C
Annual rain
972mm
Warmest month
26,3°C
Coldest month
-7,7°C
Mean alt.
186m
Min
177m
Max
190m
Std. dev.
3m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,4

Org. C

37,7g/kg

Clay

25,9%

Sand

38,7%

Silt

35,4%

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

Dominant lithology: scGLiMaggregated to Lambton

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
60,8g/kg
Clay
24,7%
Sand
39,3%
Silt
35,9%
5–15 cm
pH H₂O
6,4
Org. C
33,5g/kg
Clay
25,5%
Sand
38,8%
Silt
35,7%
15–30 cm
pH H₂O
6,4
Org. C
18,8g/kg
Clay
27,5%
Sand
38,0%
Silt
34,5%

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

Land cover

Forest70.7%
Crops4.1%
Built-up0.8%
Bare soil0.4%
Other (grassland, water…)24.1%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

1,8km

Basins crossed

2

Max stream order

8

Max drainage

580 102km²

Discharge in basins

53,0m³/s

Mean precip.

787mm/an

Mean T°

8,7°C

Moisture idx

-0,14

Max snow

21%

Mean runoff

156mm/an

Mean elev. (basins)

202m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

11,2nW

Built-up

79,4%

Pesticides

29,0kg/km²

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