Ontologia

Commune · CAN

Colchester, Subd. B

Canada

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

Species observed

2 234

Observations

94 240

Area

1 254,8km²

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 Colchester, Subd. B : 29 espèces reliées par 92 interactions GloBI sur 5 types (connectance 11.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
92
Connectance
0.118
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

2 234 distinct species · 94 240 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

94 240 obs · 33 cellules
Obs. / cellule
≥ 49 849
3 513–49 848
1 810–3 512
1 160–1 809
< 1 160

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

Climate

Mean T°

6,1°C

Annual rain

1 389mm

Warmest m°

23,1°C

Coldest m°

-11,1°C

Elevation: 129 m on average (min -36 m, max 325 m)

Bioclimatic detailsExpert
Annual mean temp.
6,1°C
Annual rain
1 389mm
Warmest month
23,1°C
Coldest month
-11,1°C
Mean alt.
129m
Min
-36m
Max
325m
Std. dev.
88m
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

39,8g/kg

Clay

16,6%

Sand

44,6%

Silt

38,8%

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

Dominant lithology: smGLiMaggregated to Colchester

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,6
Org. C
57,9g/kg
Clay
16,6%
Sand
43,8%
Silt
39,5%
5–15 cm
pH H₂O
4,8
Org. C
37,8g/kg
Clay
16,5%
Sand
44,5%
Silt
38,9%
15–30 cm
pH H₂O
5,0
Org. C
23,8g/kg
Clay
16,5%
Sand
45,4%
Silt
38,1%

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

Land cover

Forest68.0%
Crops4.5%
Built-up0.1%
Bare soil0.6%
Other (grassland, water…)26.8%

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

Hydrology3 basins · 10 lakes · 66 rivers

Hydrology metrics for this exact territory

Stream length here

377,5km

Lake surface here

1,73km²

Basins crossed

3

Max stream order

4

Max drainage

2 585km²

Discharge in basins

12,0m³/s

Mean precip.

1 223mm/an

Mean T°

5,5°C

Moisture idx

0,37

Max snow

34%

Mean runoff

837mm/an

Mean elev. (basins)

122m

Watersheds crossing here

Lakes (10, top by area)

1 more lakes

Rivers / streams (66, ord ≥ 4)

54 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

11,9%

Pesticides

18,1kg/km²

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

Protected areas7

IUCN Not Reported · 3IUCN IV · 2IUCN Not Applicable · 1IUCN Ib · 1🌊 Marine · 1
Complete list

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