Wilderness Study Area · usa
Central Arctic Management Area
- Area
- 1 047 km²
- IUCN cat.
- Ib
- Year
- 1991
Overview
- Designation
- Wilderness Study Area
- IUCN category
- Ib · Zone de nature sauvage
Aire protégée pour la wilderness, faible accès humain
- Established
- 1991
- Managing authority
- Bureau of Land Management
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
28 distinct species · 97 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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).
Indicateurs du tissu écologique
Tissu écologique de Central Arctic Management Area : 16 espèces reliées par 18 interactions GloBI sur 2 types (connectance 13.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology15 basins · 9 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
78,6km
Lake surface here
0,91km²
Basins crossed
15
Max stream order
6
Max drainage
20 056km²
Discharge in basins
31,2m³/s
Mean precip.
242mm/an
Mean T°
-12,2°C
Moisture idx
-0,16
Max snow
70%
Mean runoff
235mm/an
Mean elev. (basins)
677m
Watersheds crossing here
- Bassin de East Fork Etivluk Riversub-area1 529,2 km²overlap256.65 km²25%
- Bassin de Nigu Riversub-area784,2 km²overlap224.68 km²21%
- Bassin de Kurupa Riversub-area2 557,4 km²overlap150.38 km²14%
- Bassin de Colville Riversub-area575,8 km²overlap88.55 km²8%
- Bassin de Itilyiargiok Creeksub-area316,7 km²overlap60.06 km²6%
- Bassin de Oolamnagavik Riversub-area1 455,4 km²overlap57.59 km²5%
- Bassin de Killik Riversub-area572,4 km²overlap46.30 km²4%
- Bassin de Nigu Riversub-area557,2 km²overlap38.24 km²4%
- Bassin de Killik Riversub-area1 476,8 km²overlap34.63 km²3%
6 more basinssorted by overlap
- Bassin de Colville Riversub-area562,7 km²overlap30.94 km²3%
- Bassin de Kutchaurak Creeksub-area429,2 km²overlap29.73 km²3%
- Bassin de Colville Riversub-area134,6 km²overlap25.92 km²2%
- Bassin de Colville Riversub-area372,8 km²overlap1.92 km²0%
- Bassin de Midas Creeksub-area595,9 km²overlap1.30 km²0%
- Bassin de Aniuk Riversub-area2 498,5 km²overlap0.42 km²0%
Lakes (9, top by area)
- Lac 292828area0,5 km²avg depth6.7 m
- Lac 307237area0,2 km²avg depth4.6 m
- Lac 281720area0,2 km²avg depth4.2 m
- Lac 281168area0,2 km²avg depth2.6 m
- Lac 308244area0,2 km²avg depth3.3 m
- Lac 308487area0,1 km²avg depth3.0 m
- Lac 281906area0,1 km²avg depth3.3 m
- Lac 276703area0,1 km²avg depth2.2 m
- Lac 277978area0,1 km²avg depth1.9 m
Rivers / streams (8, ord ≥ 4)
- Colville Riverord 6len here22.84 km2%total991 km
- Iteriak Creekord 3len here19.48 km34%total57 km
- Ivotuk Creekord 2len here14.63 km38%total39 km
- Itilyiargiok Creekord 3len here10.09 km29%total35 km
- Nigu Riverord 4len here6.27 km4%total176 km
- Travelair Creekord 2len here3.20 km9%total34 km
- Otirgon Creekord 1len here1.61 km51%total3 km
- East Fork Oolamnagavik Riverord 3len here0.44 km1%total60 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 68.59049, -154.11426
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.