Ontologia

State · usa

Alaska

United States

DfcCold, no dry season, cold summer(62 %)

Species observed

16 806

Observations

6 113 003

Area

1 507 386,3km²

Ecological tissue

Sample of 19 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 Alaska : 13 espèces reliées par 43 interactions GloBI sur 2 types (connectance 22.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
43
Connectance
0.226
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

16 806 distinct species · 6 113 003 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 113 003 obs · 849 cellules
Obs. / cellule
≥ 144 923
10 870–144 922
2 187–10 869
727–2 186
< 727

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

-4,5°C

Annual rain

1 029mm

Warmest m°

15,7°C

Coldest m°

-21,4°C

Elevation: 454 m on average (min -501 m, max 5 770 m)

Bioclimatic detailsExpert
Annual mean temp.
-4,5°C
Annual rain
1 029mm
Warmest month
15,7°C
Coldest month
-21,4°C
Mean alt.
454m
Min
-501m
Max
5 770m
Std. dev.
473m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(62 %)Cold

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

Hydrology2278 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

41 573,4km

Lake surface here

10 120,15km²

Basins crossed

2 278

Max stream order

8

Max drainage

832 829km²

Discharge in basins

434 353,6m³/s

Mean precip.

523mm/an

Mean T°

-4,9°C

Moisture idx

-0,03

Max snow

100%

Mean runoff

619mm/an

Mean elev. (basins)

455m

Watersheds crossing here

2269 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Sub-administrations26