Ontologia

Borough · USA

Northwest Arctic

United States

DfcCold, no dry season, cold summer(85 %)

Species observed

3 288

Observations

117 363

Area

93 569,1km²

Ecological tissue

Sample of 39 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 Northwest Arctic : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 88 interactions GloBI sur 4 types (connectance 11.9%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
88
Connectance
0.119
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

3 288 distinct species · 117 363 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

117 363 obs · 77 cellules
Obs. / cellule
≥ 18 497
3 200–18 496
1 229–3 199
915–1 228
< 915

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

Climate

Mean T°

-7,1°C

Annual rain

711mm

Warmest m°

16,0°C

Coldest m°

-25,8°C

Elevation: 296 m on average (min -4 m, max 1 979 m)

Bioclimatic detailsExpert
Annual mean temp.
-7,1°C
Annual rain
711mm
Warmest month
16,0°C
Coldest month
-25,8°C
Mean alt.
296m
Min
-4m
Max
1 979m
Std. dev.
292m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(85 %)Cold

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

Hydrology161 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

8 400,5km

Lake surface here

549,49km²

Basins crossed

161

Max stream order

6

Max drainage

57 873km²

Discharge in basins

8 105,7m³/s

Mean precip.

272mm/an

Mean T°

-7,9°C

Moisture idx

-0,13

Max snow

67%

Mean runoff

448mm/an

Mean elev. (basins)

298m

Watersheds crossing here

152 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

Protected areas18

IUCN V · 6IUCN Ib · 6IUCN IV · 5IUCN II · 1🌊 Marine · 9📍 Point sites · 1

Noatak

IUCN V

National Preserve · 1980

26 476 km²

Noatak

IUCN Ib

Wilderness Area · 1980

23 556 km²

Complete list

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