Ontologia

Commune · CAN

Oka

Canada

DfbCold, no dry season, warm summer(96 %)

Species observed

1 996

Observations

173 318

Area

85,3km²

Ecological tissue

Sample of 28 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 Oka : 17 espèces reliées par 60 interactions GloBI sur 3 types (connectance 14.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
60
Connectance
0.148
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

1 996 distinct species · 173 318 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

173 318 obs · 2 cellules
Obs. / cellule
≥ 104 252
104 252–104 251
104 252–104 251
104 252–104 251
< 104 252

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 103mm

Warmest m°

25,3°C

Coldest m°

-14,2°C

Elevation: 62 m on average (min 20 m, max 175 m)

Bioclimatic detailsExpert
Annual mean temp.
6,7°C
Annual rain
1 103mm
Warmest month
25,3°C
Coldest month
-14,2°C
Mean alt.
62m
Min
20m
Max
175m
Std. dev.
41m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(96 %)Cold

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

Soil & lithology

pH H₂O

6,0

Org. C

48,1g/kg

Clay

27,7%

Sand

38,6%

Silt

33,7%

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

Dominant lithology: scGLiMaggregated to Deux-Montagnes

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
79,8g/kg
Clay
26,5%
Sand
39,2%
Silt
34,2%
5–15 cm
pH H₂O
6,0
Org. C
40,0g/kg
Clay
27,0%
Sand
38,9%
Silt
34,1%
15–30 cm
pH H₂O
6,1
Org. C
24,4g/kg
Clay
29,5%
Sand
37,7%
Silt
32,8%

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

Land cover

Forest35.9%
Crops12.8%
Built-up0.6%
Bare soil2.1%
Other (grassland, water…)48.6%

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

Hydrology2 basins · 2 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

19,8km

Lake surface here

25,21km²

Basins crossed

2

Max stream order

7

Max drainage

147 406km²

Discharge in basins

139,8m³/s

Mean precip.

932mm/an

Mean T°

6,0°C

Moisture idx

0,11

Max snow

29%

Mean runoff

537mm/an

Mean elev. (basins)

57m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

2,1nW

Built-up

59,4%

Pesticides

30,7kg/km²

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

Protected areas12

IUCN IV · 8IUCN VI · 3IUCN II · 1
Complete list

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