Ontologia

Commune · CAN

Halifax

Canada

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

Species observed

6 560

Observations

1 734 378

Area

5 955km²

Ecological tissue

Sample of 41 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 Halifax : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
79
Connectance
0.092
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

6 560 distinct species · 1 734 378 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 734 378 obs · 164 cellules
Obs. / cellule
≥ 176 691
15 422–176 690
3 413–15 421
788–3 412
< 788

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

Climate

Mean T°

6,6°C

Annual rain

1 678mm

Warmest m°

21,7°C

Coldest m°

-8,9°C

Elevation: 79 m on average (min -52 m, max 230 m)

Bioclimatic detailsExpert
Annual mean temp.
6,6°C
Annual rain
1 678mm
Warmest month
21,7°C
Coldest month
-8,9°C
Mean alt.
79m
Min
-52m
Max
230m
Std. dev.
48m
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

40,6g/kg

Clay

16,0%

Sand

40,6%

Silt

43,4%

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

Dominant lithology: ssGLiMaggregated to Halifax

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,6
Org. C
57,1g/kg
Clay
15,7%
Sand
39,9%
Silt
44,4%
5–15 cm
pH H₂O
4,8
Org. C
40,6g/kg
Clay
16,0%
Sand
40,3%
Silt
43,8%
15–30 cm
pH H₂O
4,9
Org. C
24,0g/kg
Clay
16,3%
Sand
41,7%
Silt
42,0%

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

Land cover

Forest63.0%
Crops1.1%
Built-up0.5%
Bare soil0.5%
Other (grassland, water…)35.0%

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

Hydrology10 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

1 136,5km

Lake surface here

176,18km²

Basins crossed

10

Max stream order

4

Max drainage

2 983km²

Discharge in basins

71,2m³/s

Mean precip.

1 377mm/an

Mean T°

6,0°C

Moisture idx

0,46

Max snow

37%

Mean runoff

973mm/an

Mean elev. (basins)

86m

Watersheds crossing here

1 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

1,3nW

Built-up

47,1%

Pesticides

3,1kg/km²

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

Protected areas100

IUCN IV · 32IUCN Not Reported · 24IUCN Ib · 23IUCN Ia · 8IUCN III · 8IUCN II · 3IUCN VI · 1IUCN Not Applicable · 1🌊 Marine · 38
Complete list

+ 40 protected areas (top 60 shown)

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