City and Borough · USA
Sitka
United States
Species observed
4 393
Observations
253 038
Area
7 750,8km²
Ecological tissue
Sample of 31 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).
Indicateurs du tissu écologique
Tissu écologique de Sitka : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 4 types (connectance 11.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
4 393 distinct species · 253 038 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
4,8°C
Annual rain
4 409mm
Warmest m°
14,5°C
Coldest m°
-3,2°C
Elevation: 333 m on average (min -501 m, max 1 432 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology12 basins · 50 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
29,0km
Lake surface here
94,45km²
Basins crossed
12
Max stream order
3
Max drainage
2 416km²
Discharge in basins
216,4m³/s
Mean precip.
2 404mm/an
Mean T°
4,6°C
Moisture idx
0,79
Max snow
62%
Mean runoff
2 967mm/an
Mean elev. (basins)
325m
Watersheds crossing here
- Basin #59150sub-area2 415,8 km²overlap2269.19 km²29%
- Bassin de Sashin Creeksub-area1 997,4 km²overlap1798.07 km²23%
- Bassin de Hoktaheen Creeksub-area2 404,4 km²overlap1161.83 km²15%
- Basin #59410sub-area957 km²overlap912.69 km²12%
- Bassin de Game Creeksub-area1 704 km²overlap629.05 km²8%
- Bassin de Beaver Creeksub-area287,9 km²overlap267.89 km²3%
- Basin #59140sub-area146,5 km²overlap147.17 km²2%
- Basin #59210sub-area129,4 km²overlap126.96 km²2%
- Basin #59100sub-area118,1 km²overlap117.77 km²2%
Lakes (50, top by area)
- Redoubt Lakearea12,9 km²avg depth90.1 m
- Benzeman Lakearea6,7 km²avg depth47.1 m
- Blue Lakearea4,9 km²avg depth36.8 m
- Green Lakearea4,1 km²avg depth28.0 m
- Deer Lakearea3,9 km²avg depth42.2 m
- Goulding Lakearea3,6 km²avg depth28.6 m
- Rezanof Lakearea3,5 km²avg depth34.7 m
- Plotnikof Lakearea3 km²avg depth37.5 m
- Baranof Lakearea2,9 km²avg depth27.9 m
41 more lakes
- Otter Lakearea2,8 km²avg depth25.7 m
- Kook Lakearea2,4 km²avg depth19.1 m
- Lake Dianaarea2 km²avg depth31.0 m
- Sitkoh Lakearea2 km²avg depth11.2 m
- Lake Suloiaarea1,8 km²avg depth21.3 m
- Maksoutof Lakearea1,8 km²avg depth25.6 m
- Lake Ekaterinaarea1,8 km²avg depth32.8 m
- Carbon Lakearea1,6 km²avg depth24.1 m
- Takatz Lakearea1,6 km²avg depth31.8 m
- Davidof Lakearea1,4 km²avg depth31.3 m
- Lake #72095area1,4 km²avg depth15.5 m
- Borodino Lakearea1,3 km²avg depth27.3 m
- Avoss Lakearea1,3 km²avg depth27.5 m
- Khvostof Lakearea1,2 km²avg depth24.7 m
- Kasnyku Lakearea1,2 km²avg depth30.4 m
- Lake Morrisarea1,2 km²avg depth24.9 m
- Betty Lakearea1,2 km²avg depth24.5 m
- Four Falls Lakearea1 km²avg depth21.1 m
- Lake #70443area1 km²avg depth14.8 m
- Lac 737313area1 km²avg depth8.8 m
- Lac 760621area1 km²avg depth10.7 m
- Lac 754545area1 km²avg depth10.8 m
- Lac 764610area0,9 km²avg depth12.7 m
- Lac 767256area0,9 km²avg depth12.0 m
- Lac 768358area0,9 km²avg depth13.9 m
- Lac 725678area0,9 km²avg depth9.5 m
- Lac 764571area0,9 km²avg depth11.2 m
- Lac 725679area0,9 km²avg depth7.7 m
- Lac 724606area0,8 km²avg depth9.3 m
- Lac 729980area0,8 km²avg depth6.6 m
- Lac 759113area0,8 km²avg depth12.3 m
- Lac 766750area0,8 km²avg depth11.1 m
- Lac 757259area0,8 km²avg depth12.3 m
- Lac 763258area0,8 km²avg depth12.5 m
- Lac 749016area0,8 km²avg depth13.9 m
- Lac 743182area0,8 km²avg depth12.8 m
- Lac 768985area0,8 km²avg depth11.1 m
- Lac 729857area0,8 km²avg depth10.5 m
- Lac 731238area0,8 km²avg depth9.8 m
- Lac 752155area0,7 km²avg depth11.7 m
- Lac 766229area0,7 km²avg depth11.1 m
Rivers / streams (10, ord ≥ 4)
- Indian River - Kaasdahéenord 2len here7.03 km100%total7 km
- Sashin Creekord 2len here3.78 km97%total4 km
- Granite Creekord 1len here3.77 km100%total4 km
- Sawmill Creekord 3len here3.77 km93%total4 km
- Cascade Creekord 1len here3.64 km100%total4 km
- No Name Creek (Watlachéix'k'i Héen)ord 1len here2.15 km100%total2 km
- Indian Riverord 1len here2.08 km100%total2 km
- Starrigavan Creekord 2len here1.29 km100%total1 km
- Falls Creekord 2len here1.17 km75%total2 km
- Beaver Creekord 1len here0.37 km97%total0 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10