Ontologia

Commune · CAN

Truro

Canada

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

Species observed

543

Observations

3 534

Area

36,2km²

Ecological tissue

Sample of 45 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 Truro : 29 espèces reliées par 99 interactions GloBI sur 5 types (connectance 10.0%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
99
Connectance
0.100
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

543 distinct species · 3 534 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 534 obs · 1 cellules
Obs. / cellule
≥ 3 534
3 534–3 533
3 534–3 533
3 534–3 533
< 3 534

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

Climate

Mean T°

6,3°C

Annual rain

1 373mm

Warmest m°

23,6°C

Coldest m°

-11,1°C

Elevation: 103 m on average (min 8 m, max 182 m)

Bioclimatic detailsExpert
Annual mean temp.
6,3°C
Annual rain
1 373mm
Warmest month
23,6°C
Coldest month
-11,1°C
Mean alt.
103m
Min
8m
Max
182m
Std. dev.
53m
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

4,9

Org. C

33,4g/kg

Clay

19,9%

Sand

37,8%

Silt

42,2%

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
4,8
Org. C
58,7g/kg
Clay
19,5%
Sand
37,8%
Silt
42,8%
5–15 cm
pH H₂O
5,0
Org. C
26,3g/kg
Clay
20,1%
Sand
37,5%
Silt
42,4%
15–30 cm
pH H₂O
5,1
Org. C
15,1g/kg
Clay
20,3%
Sand
38,2%
Silt
41,5%

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

Land cover

Forest61.6%
Crops2.4%
Built-up1.9%
Bare soil0.4%
Other (grassland, water…)33.7%

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

Hydrology2 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

11,4km

Lake surface here

0,32km²

Basins crossed

2

Max stream order

4

Max drainage

2 478km²

Discharge in basins

1,0m³/s

Mean precip.

1 257mm/an

Mean T°

5,4°C

Moisture idx

0,38

Max snow

29%

Mean runoff

860mm/an

Mean elev. (basins)

152m

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

Human pressure

Pop. density

2hab/km²

Night light

6,0nW

Built-up

187,2%

Pesticides

15,4kg/km²

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

Protected areas1

IUCN IV · 1

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