Ontologia

Commune · CAN

Chester

Canada

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

Species observed

1 810

Observations

81 852

Area

1 187,9km²

Ecological tissue

Sample of 40 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 Chester : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 4 types (connectance 11.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
97
Connectance
0.118
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

1 810 distinct species · 81 852 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

81 852 obs · 30 cellules
Obs. / cellule
≥ 31 037
9 219–31 036
1 575–9 218
529–1 574
< 529

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 688mm

Warmest m°

22,7°C

Coldest m°

-9,2°C

Elevation: 132 m on average (min -41 m, max 250 m)

Bioclimatic detailsExpert
Annual mean temp.
6,7°C
Annual rain
1 688mm
Warmest month
22,7°C
Coldest month
-9,2°C
Mean alt.
132m
Min
-41m
Max
250m
Std. dev.
66m
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

4,8

Org. C

40,4g/kg

Clay

15,6%

Sand

40,8%

Silt

43,6%

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

Dominant lithology: ssGLiMaggregated to Lunenburg

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,6
Org. C
60,5g/kg
Clay
15,3%
Sand
40,3%
Silt
44,4%
5–15 cm
pH H₂O
4,8
Org. C
38,3g/kg
Clay
16,0%
Sand
40,6%
Silt
43,5%
15–30 cm
pH H₂O
4,9
Org. C
22,4g/kg
Clay
15,5%
Sand
41,6%
Silt
42,9%

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

Land cover

Forest68.3%
Crops0.4%
Built-up0.1%
Bare soil0.2%
Other (grassland, water…)30.9%

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

Hydrology7 basins · 50 lakes · 55 rivers

Hydrology metrics for this exact territory

Stream length here

297,6km

Lake surface here

50,10km²

Basins crossed

7

Max stream order

3

Max drainage

2 983km²

Discharge in basins

19,2m³/s

Mean precip.

1 363mm/an

Mean T°

6,2°C

Moisture idx

0,44

Max snow

33%

Mean runoff

932mm/an

Mean elev. (basins)

119m

Lakes (50, top by area)

41 more lakes

Rivers / streams (55, ord ≥ 4)

43 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

11,9%

Pesticides

0,9kg/km²

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

Protected areas14

IUCN Ia · 5IUCN IV · 4IUCN Not Reported · 3IUCN II · 1IUCN Ib · 1🌊 Marine · 2
Complete list

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