Ontologia

Commune · CAN

Johnson

Canada

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

Species observed

1 512

Observations

89 162

Area

130,4km²

Ecological tissue

Sample of 41 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 Johnson : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 6 bulles famille, 57 interactions GloBI documentées sur 4 types (connectance 7.0%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
41
Interactions affichées
57
Connectance
0.070
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

1 512 distinct species · 89 162 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

89 162 obs · 9 cellules
Obs. / cellule
≥ 33 999
33 999–33 998
8 750–33 998
5 053–8 749
< 5 053

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

Climate

Mean T°

5,2°C

Annual rain

899mm

Warmest m°

23,3°C

Coldest m°

-13,8°C

Elevation: 214 m on average (min 166 m, max 276 m)

Bioclimatic detailsExpert
Annual mean temp.
5,2°C
Annual rain
899mm
Warmest month
23,3°C
Coldest month
-13,8°C
Mean alt.
214m
Min
166m
Max
276m
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

5,6

Org. C

48,2g/kg

Clay

18,2%

Sand

50,2%

Silt

31,5%

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

Dominant lithology: paGLiMaggregated to Algoma

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
73,6g/kg
Clay
17,5%
Sand
49,9%
Silt
32,6%
5–15 cm
pH H₂O
5,6
Org. C
43,9g/kg
Clay
17,8%
Sand
50,2%
Silt
32,0%
15–30 cm
pH H₂O
5,7
Org. C
27,1g/kg
Clay
19,4%
Sand
50,7%
Silt
29,8%

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

Land cover

Forest55.3%
Crops8.9%
Built-up0.1%
Bare soil2.8%
Other (grassland, water…)32.9%

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

Hydrology2 basins · 11 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

20,8km

Lake surface here

10,50km²

Basins crossed

2

Max stream order

2

Max drainage

2 680km²

Discharge in basins

1,1m³/s

Mean precip.

874mm/an

Mean T°

4,4°C

Moisture idx

0,11

Max snow

36%

Mean runoff

254mm/an

Mean elev. (basins)

236m

Watersheds crossing here

Lakes (11, top by area)

2 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

14,3%

Pesticides

1,9kg/km²

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