Ontologia

HydroBASINS lev08 watershed · #8080007180

Bassin de Little Noatak River

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 1 administrative regions : Northwest Arctic

94% lakePfafstetter: 81340101

Sub-basin area

82,5km²

Upstream area

32 534,8km²

Discharge

369,03m³/s

Mean elev.

21m

Administrative coverage

Hydrographic chain

▼ Drains into

Outlet (drains to ocean / endorheic)

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Noatak

    IUCN V

    National Preserve

    12.51 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

39 distinct species · 121 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

121 obs · 3 cellules
Obs. / cellule
≥ 61
61–60
61–60
45–60
< 45

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

Ecological tissue

Sample of 21 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 Bassin de Little Noatak River : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 16 interactions GloBI sur 2 types (connectance 7.6%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
16
Connectance
0.076
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

-6,1°C

Annual rain

233mm

Moisture idx (CMI)

-0,22

Runoff

444mm/an

PET

298mm

AET

208mm

Mean slope

1,4°

Water table

54cm

Forest

16%

Crops

0%

Urban

0%

Protected

21%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)