Ontologia

Commune · CAN

Ajax

Canada

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

Species observed

1 876

Observations

409 357

Area

69,7km²

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 Ajax : 19 espèces reliées par 73 interactions GloBI sur 3 types (connectance 18.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
73
Connectance
0.180
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

1 876 distinct species · 409 357 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

409 357 obs · 6 cellules
Obs. / cellule
≥ 283 451
283 451–283 450
90 282–283 450
15 019–90 281
< 15 019

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

Climate

Mean T°

8,2°C

Annual rain

924mm

Warmest m°

24,8°C

Coldest m°

-8,4°C

Elevation: 102 m on average (min 60 m, max 157 m)

Bioclimatic detailsExpert
Annual mean temp.
8,2°C
Annual rain
924mm
Warmest month
24,8°C
Coldest month
-8,4°C
Mean alt.
102m
Min
60m
Max
157m
Std. dev.
18m
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

6,2

Org. C

29,3g/kg

Clay

17,5%

Sand

44,8%

Silt

37,6%

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

Dominant lithology: scGLiMaggregated to Durham

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
46,5g/kg
Clay
16,9%
Sand
44,5%
Silt
38,6%
5–15 cm
pH H₂O
6,3
Org. C
25,3g/kg
Clay
17,8%
Sand
44,4%
Silt
37,9%
15–30 cm
pH H₂O
6,3
Org. C
16,1g/kg
Clay
18,0%
Sand
45,5%
Silt
36,5%

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

Land cover

Forest20.9%
Crops7.3%
Built-up9.4%
Bare soil0.8%
Other (grassland, water…)61.5%

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

Hydrology1 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

21,1km

Lake surface here

2,26km²

Basins crossed

1

Max stream order

3

Max drainage

693 518km²

Discharge in basins

221,9m³/s

Mean precip.

795mm/an

Mean T°

8,2°C

Moisture idx

-0,07

Max snow

13%

Mean runoff

343mm/an

Mean elev. (basins)

111m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

11hab/km²

Night light

24,1nW

Built-up

944,0%

Pesticides

39,9kg/km²

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

Protected areas7

IUCN IV · 6IUCN V · 1
Complete list

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