Old Growth Management Areas (Mapped Legal)
IUCN Not ApplicableOld Growth Management Areas (Mapped Legal) · 2019
14 403 km²
Commune · CAN
Bulkley-Nechako D
Canada
DfbCold, no dry season, warm summer(52 %)
Species observed
1 795
Observations
23 988
Area
4 726,5km²
Ecological tissue
Sample of 37 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 D : 23 espèces reliées par 93 interactions GloBI sur 4 types (connectance 13.2%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
93
Connectance
0.132
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
1 795 distinct species · 23 988 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
3,3°C
Annual rain
580mm
Warmest m°
20,2°C
Coldest m°
-12,8°C
Elevation: 939 m on average (min 669 m, max 1 548 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
3,3°C
Annual rain
580mm
Warmest month
20,2°C
Coldest month
-12,8°C
Mean alt.
939m
Min
669m
Max
1 548m
Std. dev.
156m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(52 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology23 basins · 50 lakes · 42 rivers
Hydrology metrics for this exact territory
Stream length here
812,8km
Lake surface here
280,64km²
Basins crossed
23
Max stream order
5
Max drainage
24 391km²
Discharge in basins
644,9m³/s
Mean precip.
479mm/an
Mean T°
1,8°C
Moisture idx
-0,30
Max snow
48%
Mean runoff
137mm/an
Mean elev. (basins)
949m
Watersheds crossing here
- Bassin de Nechako Riversub-area868,9 km²overlap869.07 km²18%
- Bassin de Ormond Creeksub-area590,9 km²overlap579.81 km²12%
- Bassin de Nechako Riversub-area564,3 km²overlap530.50 km²11%
- Bassin de Cheslatta Riversub-area1 349,1 km²overlap426.92 km²9%
- Bassin de Endako Riversub-area1 864,3 km²overlap399.91 km²8%
- Bassin de Big Bend Creeksub-area350,7 km²overlap344.96 km²7%
- Bassin de Nithi Riversub-area355,1 km²overlap297.60 km²6%
- Bassin de Nechako Riversub-area682,6 km²overlap267.38 km²6%
- Bassin de Erhorn Creeksub-area285,8 km²overlap263.27 km²6%
14 more basinssorted by overlap
- Bassin de Nechako Riversub-area326,2 km²overlap227.25 km²5%
- Basin #89390sub-area259 km²overlap146.21 km²3%
- Bassin de Sweetnam Creeksub-area343,7 km²overlap142.67 km²3%
- Bassin de Greer Creeksub-area393,2 km²overlap64.47 km²1%
- Bassin de Sutherland Riversub-area1 016,1 km²overlap37.28 km²1%
- Bassin de Stellako Riversub-area38,5 km²overlap36.72 km²1%
- Bassin de Chilako Riversub-area1 011,3 km²overlap34.74 km²1%
- Bassin de MacIvor Creeksub-area1 662,8 km²overlap23.64 km²1%
- Bassin de Pitka Creeksub-area220,5 km²overlap9.85 km²0%
- Bassin de Chedakuz Creeksub-area946,7 km²overlap6.56 km²0%
- Bassin de Euchiniko Riversub-area1 490,8 km²overlap5.68 km²0%
- Bassin de Takysie Creeksub-area619,5 km²overlap4.65 km²0%
- Bassin de Pinkut Creeksub-area849,3 km²overlap3.97 km²0%
- Basin #90200sub-area24 km²overlap3.39 km²0%
Lakes (50, top by area)
- Nechako Reservoirarea839,1 km²avg depth28.4 m
- François Lakearea253 km²avg depth76.7 m
- Fraser Lakearea54,1 km²avg depth29.0 m
- Cheslatta Lakearea41,1 km²avg depth48.3 m
- Lucas Lakearea8,3 km²avg depth17.5 m
- Tahultzu Lakearea6,1 km²avg depth15.2 m
- Murray Lakearea6,1 km²avg depth19.4 m
- Knapp Lakearea5,7 km²avg depth14.0 m
- Hallett Lakearea5,6 km²avg depth13.1 m
41 more lakes
- Anzus Lakearea5,1 km²avg depth15.5 m
- Holy Cross Lakearea3,9 km²avg depth10.9 m
- Oona Lakearea3,3 km²avg depth13.9 m
- Ormond Lakearea3,3 km²avg depth14.6 m
- Bird Lakearea3,2 km²avg depth10.0 m
- Tatin Lakearea2,5 km²avg depth10.1 m
- Justine Lakearea2,5 km²avg depth10.3 m
- Cabin Lakearea2 km²avg depth7.6 m
- Cicuta Lakearea1,8 km²avg depth10.0 m
- Bentzi Lakearea1,8 km²avg depth8.8 m
- Lake #85038area1,8 km²avg depth5.9 m
- Hanson Lakearea1,7 km²avg depth14.1 m
- Hoult Lakearea1,5 km²avg depth8.9 m
- Willington Lakearea1,5 km²avg depth5.1 m
- Stern Lakearea1,5 km²avg depth9.3 m
- Yellow Moose Lakearea1,4 km²avg depth9.0 m
- Copley Lakearea1,4 km²avg depth6.6 m
- Dorman Lakearea1,3 km²avg depth6.5 m
- Lake #85192area1,2 km²avg depth6.3 m
- Chowsunkut Lakearea1,1 km²avg depth6.7 m
- Drywilliam Lakearea1 km²avg depth7.6 m
- Bungalow Lakearea1 km²avg depth7.0 m
- Laurie Lakearea1 km²avg depth7.8 m
- Lac 853467area0,9 km²avg depth7.6 m
- Lac 856161area0,9 km²avg depth6.0 m
- Lac 854170area0,8 km²avg depth6.3 m
- Lac 840497area0,8 km²avg depth6.0 m
- Lac 852110area0,8 km²avg depth6.6 m
- Lac 838977area0,8 km²avg depth5.8 m
- Lac 851971area0,7 km²avg depth6.8 m
- Lac 863182area0,7 km²avg depth5.6 m
- Lac 860910area0,7 km²avg depth4.2 m
- Lac 863231area0,6 km²avg depth7.0 m
- Lac 848689area0,6 km²avg depth4.2 m
- Lac 841544area0,6 km²avg depth6.6 m
- Lac 843521area0,6 km²avg depth6.6 m
- Lac 838607area0,6 km²avg depth6.7 m
- Lac 845163area0,6 km²avg depth2.7 m
- Lac 838044area0,6 km²avg depth4.1 m
- Lac 857978area0,5 km²avg depth5.4 m
- Lac 856722area0,5 km²avg depth5.6 m
Rivers / streams (42, ord ≥ 4)
- Nechako Riverord 6len here159.77 km43%total374 km
- Ormond Creekord 4len here50.14 km100%total50 km
- Nithi Riverord 2len here50.07 km91%total55 km
- Erhorn Creekord 2len here40.58 km100%total41 km
- Endako Riverord 4len here39.98 km26%total154 km
- Big Bend Creekord 2len here34.57 km100%total35 km
- Shovel Creekord 3len here33.61 km53%total64 km
- Targe Creekord 2len here33.25 km100%total33 km
- Swanson Creekord 2len here26.88 km85%total32 km
- Smith Creekord 2len here26.74 km100%total27 km
- Tahultzu Creekord 2len here23.88 km100%total24 km
- Cheslatta Riverord 4len here23.25 km16%total141 km
30 more river segmentssorted by Strahler order + length
- Greer Creekord 3len here19.55 km22%total88 km
- Fifteen Creekord 1len here18.33 km100%total18 km
- Cutoff Creekord 2len here17.50 km100%total17 km
- Stern Creekord 2len here16.75 km100%total17 km
- Lucas Creekord 2len here16.43 km100%total16 km
- Tatin Creekord 2len here14.92 km100%total15 km
- Nine Mile Creekord 2len here14.91 km51%total30 km
- Tatsutnai Creekord 2len here14.89 km100%total15 km
- Knapp Creekord 3len here13.12 km69%total19 km
- Stellako Riverord 4len here10.81 km89%total12 km
- Bird Creekord 2len here10.02 km100%total10 km
- Esker Creekord 1len here9.95 km100%total10 km
- Angly Creekord 2len here9.34 km100%total9 km
- Foster Creekord 1len here9.03 km100%total9 km
- Chowsunkut Creekord 1len here8.86 km100%total9 km
- East Erhorn Creekord 1len here8.36 km100%total8 km
- Robertson Creekord 4len here8.16 km27%total30 km
- Schjelderup Creekord 1len here7.63 km100%total8 km
- West Engen Creekord 2len here7.18 km53%total13 km
- Finger Creekord 2len here6.12 km14%total43 km
- Belisle Creekord 1len here6.12 km100%total6 km
- Cheskwa Creekord 1len here5.73 km100%total6 km
- Duncan Creekord 1len here5.70 km30%total19 km
- Sweetnam Creekord 1len here3.81 km100%total4 km
- Nautley Riverord 4len here2.73 km72%total4 km
- Engen Creekord 2len here1.71 km25%total7 km
- Peta Creekord 1len here1.34 km100%total1 km
- Kluk Creekord 5len here1.04 km7%total15 km
- Tchesinkut Creekord 3len here0.03 km0%total35 km
- Pitka Creekord 2len here0.00 km0%total33 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas10
IUCN IV · 3IUCN II · 2IUCN Ia · 2IUCN Not Applicable · 1IUCN III · 1IUCN Not Reported · 1🌊 Marine · 1
FRANCOIS LAKE PARK
IUCN IIA - Park · 1999
72 km²
NECHAKO CANYON PROTECTED AREA
IUCN IIIProtected Area · 2000
12 km²
STELLAKO RIVER WILDLIFE MANAGEMENT AREA
IUCN IVWildlife Management Area · 2011
5 km²
BEAUMONT PARK
IUCN Not ReportedA - Park · 1960
2 km²
DRYWILLIAM LAKE ECOLOGICAL RESERVE
IUCN IaEcological Reserve · 1975
1 km²
Complete list10 protected areas
- Old Growth Management Areas (Mapped Legal)Old Growth Management Areas (Mapped Legal)IUCN Not Applicable201914 403 km²
- FRANCOIS LAKE PARKA - ParkIUCN II199972 km²
- NECHAKO CANYON PROTECTED AREAProtected AreaIUCN III200012 km²
- STELLAKO RIVER WILDLIFE MANAGEMENT AREAWildlife Management AreaIUCN IV20115 km²
- BEAUMONT PARKA - ParkIUCN Not Reported19602 km²
- DRYWILLIAM LAKE ECOLOGICAL RESERVEEcological ReserveIUCN Ia19751 km²
- FRANCOIS LAKE PROTECTED AREAProtected AreaIUCN II20000 km²
- Stellako River Corridor - 1980Privately Owned Conservation AreaIUCN IV20190 km²
- Stellako River Corridor - 1982Privately Owned Conservation AreaIUCN IV20190 km²
- ELLIS ISLAND ECOLOGICAL RESERVEEcological ReserveIUCN Ia19910 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN