Ontologia

Census Area · USA

Aleutians West

United States

ETPolar, tundra(83 %)

Species observed

1 406

Observations

13 643

Area

11 671,4km²

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 Aleutians West : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 2 bulles famille, 33 interactions GloBI documentées sur 2 types (connectance 5.0%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
33
Connectance
0.050
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

1 406 distinct species · 13 643 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 643 obs · 67 cellules
Obs. / cellule
≥ 7 563
226–7 562
47–225
15–46
< 15

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

Climate

Mean T°

3,3°C

Annual rain

1 990mm

Warmest m°

10,1°C

Coldest m°

-1,8°C

Elevation: 234 m on average (min -470 m, max 1 836 m)

Bioclimatic detailsExpert
Annual mean temp.
3,3°C
Annual rain
1 990mm
Warmest month
10,1°C
Coldest month
-1,8°C
Mean alt.
234m
Min
-470m
Max
1 836m
Std. dev.
227m
Köppen-Geiger (dominant)
ETPolar, tundra(83 %)Polar

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

Hydrology15 basins · 50 lakes · 36 rivers

Hydrology metrics for this exact territory

Stream length here

224,9km

Lake surface here

59,00km²

Basins crossed

15

Max stream order

3

Max drainage

3 144km²

Discharge in basins

225,9m³/s

Mean precip.

1 146mm/an

Mean T°

3,7°C

Moisture idx

0,66

Max snow

54%

Mean runoff

2 057mm/an

Mean elev. (basins)

222m

Lakes (50, top by area)

41 more lakes

Rivers / streams (36, ord ≥ 4)

24 more river segments

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