Ontologia

HydroBASINS lev08 watershed · #8080144170

Bassin de Selawik 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 2 administrative regions : Northwest Arctic, Yukon-Koyukuk

2% lakePfafstetter: 81310867

Sub-basin area

373,3km²

Upstream area

1 988km²

Discharge

20,05m³/s

Mean elev.

153m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Selawik River497 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Selawik

    IUCN IV

    National Wildlife Refuge

    319.13 km² overlap

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

Species present

28 distinct species · 47 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

47 obs · 4 cellules
Obs. / cellule
≥ 18
18–17
12–17
12–11
< 12

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

Ecological tissue

Sample of 8 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 Selawik River : 7 espèces reliées par 5 interactions GloBI sur 2 types (connectance 17.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
5
Connectance
0.179
Patrimoniales
0
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°

-7,0°C

Annual rain

286mm

Moisture idx (CMI)

-0,21

Runoff

384mm/an

PET

363mm

AET

250mm

Mean slope

4,8°

Water table

81cm

Forest

0%

Crops

0%

Urban

0%

Protected

91%

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