Ontologia

Regional District · CAN

Bulkley-Nechako

Canada

DfcCold, no dry season, cold summer(71 %)

Species observed

5 894

Observations

213 962

Area

78 188km²

Ecological tissue

Sample of 38 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 Bulkley-Nechako : 26 espèces reliées par 78 interactions GloBI sur 3 types (connectance 11.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
78
Connectance
0.111
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

5 894 distinct species · 213 962 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

213 962 obs · 52 cellules
Obs. / cellule
≥ 72 383
7 607–72 382
2 179–7 606
1 230–2 178
< 1 230

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

1,8°C

Annual rain

922mm

Warmest m°

18,3°C

Coldest m°

-13,4°C

Elevation: 1 050 m on average (min 382 m, max 2 228 m)

Bioclimatic detailsExpert
Annual mean temp.
1,8°C
Annual rain
922mm
Warmest month
18,3°C
Coldest month
-13,4°C
Mean alt.
1 050m
Min
382m
Max
2 228m
Std. dev.
260m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(71 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,8

Org. C

33,9g/kg

Clay

21,5%

Sand

37,8%

Silt

40,7%

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

Dominant lithology: viGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
47,5g/kg
Clay
20,4%
Sand
37,6%
Silt
42,1%
5–15 cm
pH H₂O
5,8
Org. C
35,1g/kg
Clay
21,4%
Sand
38,0%
Silt
40,7%
15–30 cm
pH H₂O
5,9
Org. C
19,2g/kg
Clay
22,8%
Sand
37,9%
Silt
39,3%

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

Land cover

Forest70.0%
Crops0.3%
Built-up0.0%
Bare soil2.9%
Other (grassland, water…)26.9%

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

Hydrology132 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

7 017,9km

Lake surface here

3 591,54km²

Basins crossed

132

Max stream order

6

Max drainage

43 050km²

Discharge in basins

4 677,1m³/s

Mean precip.

563mm/an

Mean T°

1,1°C

Moisture idx

-0,12

Max snow

64%

Mean runoff

398mm/an

Mean elev. (basins)

1 055m

Watersheds crossing here

123 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

0,0nW

Built-up

0,6%

Pesticides

1,5kg/km²

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

Protected areas79

IUCN II · 39IUCN Ia · 10IUCN Not Reported · 10IUCN IV · 10IUCN III · 7IUCN Not Applicable · 2IUCN Ib · 1🌊 Marine · 3
Complete list

+ 19 protected areas (top 60 shown)

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

Sub-administrations51