Old Growth Management Areas (Mapped Legal)
IUCN Not ApplicableOld Growth Management Areas (Mapped Legal) · 2019
14 403 km²
Commune · CAN
Nisga'a
Canada
DfbCold, no dry season, warm summer(44 %)
Species observed
457
Observations
12 478
Area
2 028,6km²
Ecological tissue
Sample of 46 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 Nisga'a : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 127 interactions GloBI sur 6 types (connectance 10.0%, filtre Serrano α=0.2). 21 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
51
Interactions affichées
127
Connectance
0.100
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
457 distinct species · 12 478 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
3,1°C
Annual rain
2 711mm
Warmest m°
16,9°C
Coldest m°
-8,6°C
Elevation: 669 m on average (min -84 m, max 1 976 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
3,1°C
Annual rain
2 711mm
Warmest month
16,9°C
Coldest month
-8,6°C
Mean alt.
669m
Min
-84m
Max
1 976m
Std. dev.
469m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(44 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology18 basins · 17 lakes · 40 rivers
Hydrology metrics for this exact territory
Stream length here
505,5km
Lake surface here
7,10km²
Basins crossed
18
Max stream order
6
Max drainage
19 830km²
Discharge in basins
1 754,0m³/s
Mean precip.
1 414mm/an
Mean T°
3,5°C
Moisture idx
0,58
Max snow
64%
Mean runoff
1 460mm/an
Mean elev. (basins)
758m
Watersheds crossing here
- Bassin de Nass Riversub-area1 011,7 km²overlap655.90 km²32%
- Bassin de Nass Riversub-area440,6 km²overlap317.13 km²16%
- Bassin de Voshell Creeksub-area576 km²overlap292.93 km²14%
- Bassin de Ksi Gingolxsub-area220,2 km²overlap185.37 km²9%
- Bassin de Ksgyukwsa'asub-area491,9 km²overlap180.21 km²9%
- Bassin de Xnukwsub-area169,3 km²overlap163.24 km²8%
- Bassin de Crater Creeksub-area464,8 km²overlap102.09 km²5%
- Bassin de Nass Riversub-area154,5 km²overlap57.47 km²3%
- Bassin de Ksi Sgawbansub-area149,6 km²overlap17.28 km²1%
9 more basinssorted by overlap
- Bassin de Tchilin Riversub-area246,9 km²overlap14.90 km²1%
- Bassin de Nass Riversub-area22,1 km²overlap13.67 km²1%
- Bassin de Ksi Gwinhat'alsub-area362,7 km²overlap8.35 km²0%
- Bassin de Ksi X'anmassub-area322,8 km²overlap6.24 km²0%
- Bassin de Niska Creeksub-area462,3 km²overlap3.66 km²0%
- Basin #19180sub-area2,3 km²overlap2.35 km²0%
- Bassin de Kitsumkalum Riversub-area2 432,1 km²overlap1.69 km²0%
- Bassin de Stenstrom Creeksub-area1 870,5 km²overlap0.60 km²0%
- Bassin de Nass Riversub-area48,5 km²overlap0.49 km²0%
Lakes (17, top by area)
- Dragon Lakearea2,3 km²avg depth8.4 m
- Kwinamuck Lakearea1,8 km²avg depth9.2 m
- Lac 796206area0,5 km²avg depth6.1 m
- Lac 793758area0,5 km²avg depth7.4 m
- Lac 807498area0,3 km²avg depth10.4 m
- Lac 807550area0,2 km²avg depth9.9 m
- Lac 803595area0,2 km²avg depth6.4 m
- Lac 812769area0,2 km²avg depth11.2 m
- Lac 814373area0,2 km²avg depth9.8 m
Rivers / streams (40, ord ≥ 4)
- Nass Riverord 6len here109.61 km15%total753 km
- Ksi Gingolxord 3len here59.38 km95%total62 km
- Ksgyukwsa'aord 3len here26.41 km100%total26 km
- Voshell Creekord 4len here25.09 km100%total25 km
- North Seaskinnish Creekord 2len here20.49 km98%total21 km
- Anudol Creekord 3len here17.39 km100%total17 km
- Ksi Sgasginistord 3len here16.36 km88%total19 km
- Gingit Creekord 1len here13.49 km98%total14 km
- Ginlulak Creekord 2len here12.76 km100%total13 km
- Xnukword 2len here11.54 km100%total12 km
- Greenville Creekord 1len here11.39 km92%total12 km
- Ksemamaith Creekord 2len here11.18 km54%total21 km
28 more river segmentssorted by Strahler order + length
- Chemainuk Creekord 2len here10.90 km80%total14 km
- Ansedagan Creekord 1len here10.66 km100%total11 km
- Ksga'maalord 2len here10.43 km100%total10 km
- Quilgauw Creekord 1len here10.04 km100%total10 km
- Boulder Creekord 1len here9.57 km100%total10 km
- Vetter Creekord 2len here9.46 km100%total9 km
- Maughlin Creekord 2len here8.91 km100%total9 km
- Diskangieq Creekord 1len here8.47 km75%total11 km
- Tchilin Riverord 3len here8.19 km41%total20 km
- Gitzyon Creekord 1len here7.90 km65%total12 km
- Giswatz Creekord 1len here7.45 km100%total7 km
- Kwinyarh Creekord 1len here7.26 km100%total7 km
- Wegiladap Creekord 2len here6.53 km100%total7 km
- Wilyayaanooth Creekord 1len here6.47 km100%total6 km
- Ksi Gwinhat'alord 4len here5.82 km13%total45 km
- Cugiladap Creekord 2len here5.73 km100%total6 km
- Kwinamuck Creekord 2len here5.72 km100%total6 km
- Ksi Sii Aksord 3len here5.31 km59%total9 km
- Gingietl Creekord 1len here4.99 km100%total5 km
- Gish Creekord 6len here4.75 km64%total7 km
- Keazoah Creekord 1len here4.71 km100%total5 km
- Lachballach Creekord 4len here2.94 km30%total10 km
- Fulmar Creekord 1len here2.78 km72%total4 km
- Khimatlque Creekord 1len here1.80 km100%total2 km
- Ksi Ts'oohl Ts'apord 1len here1.56 km75%total2 km
- Kshadin Creekord 3len here0.86 km5%total17 km
- Ksi Sgawbanord 2len here0.70 km8%total9 km
- Hoadley Creekord 1len here0.48 km7%total6 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas7
IUCN Not Applicable · 2IUCN Not Reported · 2IUCN II · 1IUCN III · 1IUCN Ia · 1🌊 Marine · 3
Wildlife Habitat Areas
IUCN Not ApplicableWildlife Habitat Areas · 2019
11 793 km²
KSI X' ANMAAS CONSERVANCY
IUCN IIConservancy · 2008
333 km²
ANHLUUT'UKWSIM LAX̱MIHL ANGWINGA'ASANSKWHL NISG̱A'A PARK [A.K.A. NISG̱A'A MEMORIAL LAVA BED PARK]
IUCN IIIA - Park · 1992
178 km²
GINGIETL CREEK ECOLOGICAL RESERVE
IUCN IaEcological Reserve · 1985
27 km²
NISGA'A MEMORIAL LAVA BED CORRIDOR PROTECTED AREA (NO. 2)
IUCN Not ReportedProtected Area · 2015
1 km²
Complete list7 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
- KSI X' ANMAAS CONSERVANCYConservancyIUCN II2008333 km²
- ANHLUUT'UKWSIM LAX̱MIHL ANGWINGA'ASANSKWHL NISG̱A'A PARK [A.K.A. NISG̱A'A MEMORIAL LAVA BED PARK]A - ParkIUCN III1992178 km²
- GINGIETL CREEK ECOLOGICAL RESERVEEcological ReserveIUCN Ia198527 km²
- NISGA'A MEMORIAL LAVA BED CORRIDOR PROTECTED AREA (NO. 2)Protected AreaIUCN Not Reported20151 km²
- NISGA'A MEMORIAL LAVA BED CORRIDOR PROTECTED AREAProtected AreaIUCN Not Reported20080 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN