Ontologia

Municipality · USA

Anchorage

United States

ETPolar, tundra(42 %)

Species observed

4 256

Observations

1 010 353

Area

4 468,9km²

Ecological tissue

Sample of 28 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 Anchorage : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 64 interactions GloBI sur 3 types (connectance 15.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
64
Connectance
0.158
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

4 256 distinct species · 1 010 353 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 010 353 obs · 159 cellules
Obs. / cellule
≥ 116 156
12 747–116 155
1 098–12 746
100–1 097
< 100

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

-1,4°C

Annual rain

2 605mm

Warmest m°

13,2°C

Coldest m°

-13,5°C

Elevation: 747 m on average (min -6 m, max 1 999 m)

Bioclimatic detailsExpert
Annual mean temp.
-1,4°C
Annual rain
2 605mm
Warmest month
13,2°C
Coldest month
-13,5°C
Mean alt.
747m
Min
-6m
Max
1 999m
Std. dev.
505m
Köppen-Geiger (dominant)
ETPolar, tundra(42 %)Polar

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

Hydrology15 basins · 36 lakes · 73 rivers

Hydrology metrics for this exact territory

Stream length here

958,0km

Lake surface here

75,64km²

Basins crossed

15

Max stream order

6

Max drainage

5 750km²

Discharge in basins

194,2m³/s

Mean precip.

724mm/an

Mean T°

-0,8°C

Moisture idx

0,34

Max snow

82%

Mean runoff

1 639mm/an

Mean elev. (basins)

759m

Watersheds crossing here

6 more basins

Lakes (36, top by area)

27 more lakes

Rivers / streams (73, ord ≥ 4)

61 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Protected areas15

IUCN V · 13IUCN Ib · 1IUCN III · 1🌊 Marine · 5

Chugach

IUCN V

State Park · 1970

1 994 km²

Complete list

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