Old Growth Management Areas (Mapped Legal)
IUCN Not ApplicableOld Growth Management Areas (Mapped Legal) · 2019
14 403 km²
Commune · CAN
Chilliwack
Canada
CfbTemperate, no dry season, warm summer(93 %)
Species observed
3 408
Observations
498 692
Area
248,1km²
Ecological tissue
Sample of 34 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 Chilliwack : 24 espèces reliées par 79 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
79
Connectance
0.133
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
3 408 distinct species · 498 692 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,9°C
Annual rain
1 903mm
Warmest m°
25,1°C
Coldest m°
-1,8°C
Elevation: 118 m on average (min 3 m, max 1 197 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,9°C
Annual rain
1 903mm
Warmest month
25,1°C
Coldest month
-1,8°C
Mean alt.
118m
Min
3m
Max
1 197m
Std. dev.
214m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(93 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,2
Org. C
55,2g/kg
Clay
16,5%
Sand
40,1%
Silt
43,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Fraser Valley
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,1
Org. C
83,2g/kg
Clay
16,2%
Sand
39,5%
Silt
44,3%
5–15 cm
pH H₂O
5,3
Org. C
51,1g/kg
Clay
16,7%
Sand
39,2%
Silt
44,2%
15–30 cm
pH H₂O
5,3
Org. C
31,4g/kg
Clay
16,7%
Sand
41,6%
Silt
41,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest35.7%
Crops19.3%
Built-up3.2%
Bare soil1.8%
Other (grassland, water…)40.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 19 rivers
Hydrology metrics for this exact territory
Stream length here
71,2km
Basins crossed
3
Max stream order
7
Max drainage
225 254km²
Discharge in basins
2 351,1m³/s
Mean precip.
1 566mm/an
Mean T°
8,1°C
Moisture idx
0,52
Max snow
34%
Mean runoff
1 417mm/an
Mean elev. (basins)
391m
Watersheds crossing here
Rivers / streams (19, ord ≥ 4)
- Semmihault Creekord 1len here10.35 km100%total10 km
- Elk Brookord 2len here9.48 km100%total9 km
- Hopedale Sloughord 4len here7.88 km92%total9 km
- Wilson Sloughord 7len here6.07 km47%total13 km
- Ford Creekord 2len here6.02 km84%total7 km
- Fraser Riverord 7len here5.52 km0%total1863 km
- Chilliwack Creekord 2len here5.47 km53%total10 km
- Nevin Creekord 2len here3.85 km13%total30 km
- Little Chilliwack Riverord 1len here3.35 km34%total10 km
- Marblehill Creekord 1len here2.82 km100%total3 km
- Camp Sloughord 1len here1.77 km33%total5 km
- Elk Creekord 1len here1.76 km100%total2 km
7 more river segmentssorted by Strahler order + length
- Dunville Creekord 1len here1.71 km100%total2 km
- Gravel Sloughord 1len here1.45 km99%total1 km
- Ryder Creekord 1len here1.33 km50%total3 km
- Sumas Riverord 4len here1.15 km2%total64 km
- Chilliwack Riverord 4len here0.76 km1%total80 km
- Vedder Riverord 1len here0.32 km47%total1 km
- Sweltzer Riverord 3len here0.11 km3%total3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
6,9nW
Built-up
317,9%
Pesticides
28,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas11
IUCN IV · 7IUCN Not Applicable · 3IUCN Ia · 1🌊 Marine · 2
Wildlife Habitat Areas
IUCN Not ApplicableWildlife Habitat Areas · 2019
11 793 km²
BERT BRINK WILDLIFE MANAGEMENT AREA
IUCN IVWildlife Management Area · 2009
9 km²
McGillivray Slough - 1985
IUCN IVPrivately Owned Conservation Area · 2019
0 km²
Great Blue Heron Nature Reserve
IUCN Not ApplicableNature Reserve · 2018
0 km²
Chilliwack River
IUCN IVPrivately Owned Conservation Area · 2019
0 km²
Complete list11 protected areas
- Old Growth Management Areas (Mapped Legal)Old Growth Management Areas (Mapped Legal)IUCN Not Applicable201914 403 km²
- Wildlife Habitat AreasWildlife Habitat AreasIUCN Not Applicable201911 793 km²
- BERT BRINK WILDLIFE MANAGEMENT AREAWildlife Management AreaIUCN IV20099 km²
- McGillivray Slough - 1985Privately Owned Conservation AreaIUCN IV20190 km²
- Great Blue Heron Nature ReserveNature ReserveIUCN Not Applicable20180 km²
- Chilliwack RiverPrivately Owned Conservation AreaIUCN IV20190 km²
- Camp SloughPrivately Owned Conservation AreaIUCN IV20190 km²
- McGillivray Slough - Cattermole, 2008Privately Owned Conservation AreaIUCN IV20190 km²
- KATHERINE TYE ECOLOGICAL RESERVEEcological ReserveIUCN Ia19860 km²
- Katherine TyePrivately Owned Conservation AreaIUCN IV20190 km²
- Wells SanctuaryPrivately Owned Conservation AreaIUCN IV20190 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN