Ontologia

Commune · CAN

Chatham

Canada

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

Species observed

480

Observations

1 691

Area

22,1km²

Ecological tissue

Sample of 35 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 Chatham : 21 espèces reliées par 118 interactions GloBI sur 5 types (connectance 17.7%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
118
Connectance
0.177
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

480 distinct species · 1 691 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 691 obs · 1 cellules
Obs. / cellule
≥ 1 691
1 691–1 690
1 691–1 690
1 691–1 690
< 1 691

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

Climate

Mean T°

5,3°C

Annual rain

1 031mm

Warmest m°

23,7°C

Coldest m°

-14,2°C

Elevation: 11 m on average (min -1 m, max 27 m)

Bioclimatic detailsExpert
Annual mean temp.
5,3°C
Annual rain
1 031mm
Warmest month
23,7°C
Coldest month
-14,2°C
Mean alt.
11m
Min
-1m
Max
27m
Std. dev.
7m
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

4,7

Org. C

39,1g/kg

Clay

19,8%

Sand

41,9%

Silt

38,3%

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

Dominant lithology: ssGLiMaggregated to Northumberland

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,5
Org. C
57,6g/kg
Clay
19,1%
Sand
42,4%
Silt
38,5%
5–15 cm
pH H₂O
4,7
Org. C
36,2g/kg
Clay
19,9%
Sand
41,6%
Silt
38,5%
15–30 cm
pH H₂O
4,9
Org. C
23,4g/kg
Clay
20,5%
Sand
41,6%
Silt
37,9%

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

Land cover

Forest46.0%
Crops16.0%
Built-up0.3%
Bare soil1.6%
Other (grassland, water…)36.1%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

7,0km

Basins crossed

1

Max stream order

2

Max drainage

2 345km²

Discharge in basins

0,0m³/s

Mean precip.

1 131mm/an

Mean T°

4,8°C

Moisture idx

0,31

Max snow

40%

Mean runoff

663mm/an

Mean elev. (basins)

39m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

1,0nW

Built-up

25,9%

Pesticides

1,2kg/km²

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