Commune · CAN
Hanna
Canada
Species observed
273
Observations
10 784
Area
8,8km²
Ecological tissue
Sample of 28 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).
Indicateurs du tissu écologique
Tissu écologique de Hanna : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 6 bulles famille, 42 interactions GloBI documentées sur 3 types (connectance 11.1%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
273 distinct species · 10 784 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
3,6°C
Annual rain
363mm
Warmest m°
24,1°C
Coldest m°
-14,9°C
Elevation: 817 m on average (min 806 m, max 825 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,0
Org. C
25,2g/kg
Clay
25,9%
Sand
37,6%
Silt
36,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Division No. 4
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
3,9km
Lake surface here
0,35km²
Basins crossed
1
Max stream order
2
Max drainage
1 484km²
Discharge in basins
0,0m³/s
Mean precip.
354mm/an
Mean T°
2,5°C
Moisture idx
-0,55
Max snow
24%
Mean runoff
42mm/an
Mean elev. (basins)
839m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
7,4nW
Built-up
376,6%
Pesticides
15,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)