National Wildlife Refuge · usa
Nowitna
- Area
- 7 691 km²
- IUCN cat.
- IV
- Year
- 1980
Overview
- Designation
- National Wildlife Refuge
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1980
- Managing authority
- U.S. Fish and Wildlife Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
524 distinct species · 7 033 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de Nowitna : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 4 types (connectance 8.6%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology26 basins · 50 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
915,2km
Lake surface here
23,98km²
Basins crossed
26
Max stream order
8
Max drainage
652 340km²
Discharge in basins
6 436,6m³/s
Mean precip.
382mm/an
Mean T°
-5,1°C
Moisture idx
-0,22
Max snow
60%
Mean runoff
175mm/an
Mean elev. (basins)
186m
Watersheds crossing here
- Bassin de Big Mud Riversub-area1 390,6 km²overlap1375.10 km²18%
- Bassin de Little Mud Riversub-area1 345 km²overlap1350.66 km²18%
- Bassin de Nowitna Riversub-area1 132,3 km²overlap1125.33 km²15%
- Bassin de Yukon Riversub-area1 846 km²overlap684.58 km²9%
- Bassin de Nowitna Riversub-area375,9 km²overlap378.03 km²5%
- Basin #75350sub-area587 km²overlap374.50 km²5%
- Bassin de Nowitna Riversub-area612,4 km²overlap351.52 km²5%
- Bassin de Yukon Riversub-area346,8 km²overlap340.54 km²4%
- Bassin de Nowitna Riversub-area1 079,3 km²overlap281.75 km²4%
17 more basinssorted by overlap
- Bassin de Nowitna Riversub-area261 km²overlap262.71 km²3%
- Bassin de Sulatna Riversub-area501,8 km²overlap235.56 km²3%
- Bassin de Yukon Riversub-area348,7 km²overlap224.27 km²3%
- Bassin de Lost Riversub-area682,6 km²overlap195.54 km²3%
- Bassin de Yukon Riversub-area651,7 km²overlap168.51 km²2%
- Bassin de Yukon Riversub-area517,5 km²overlap66.47 km²1%
- Bassin de Nowitna Riversub-area67,9 km²overlap63.98 km²1%
- Bassin de Flint Creeksub-area436,4 km²overlap49.55 km²1%
- Bassin de Tanana Riversub-area2 301,7 km²overlap36.00 km²0%
- Bassin de Telsitna Riversub-area146 km²overlap25.26 km²0%
- Bassin de Nowitna Riversub-area24,5 km²overlap24.63 km²0%
- Bassin de Titna Riversub-area134,5 km²overlap22.33 km²0%
- Bassin de Titna Riversub-area71,6 km²overlap21.39 km²0%
- Bassin de Chitanana Riversub-area1 728,2 km²overlap12.85 km²0%
- Bassin de Chicken Creeksub-area227,9 km²overlap12.11 km²0%
- Bassin de Sulukna Riversub-area1 549,7 km²overlap6.93 km²0%
- Bassin de Titna Riversub-area806,4 km²overlap0.93 km²0%
Lakes (50, top by area)
- Lake #41382area2,2 km²avg depth4.7 m
- Lake #42425area1,4 km²avg depth5.3 m
- Lac 472299area1 km²avg depth6.3 m
- Lac 466176area0,9 km²avg depth5.0 m
- Lac 460766area0,9 km²avg depth4.7 m
- Lac 457005area0,9 km²avg depth3.5 m
- Lac 466114area0,8 km²avg depth5.9 m
- Lac 466482area0,7 km²avg depth7.7 m
- Lac 478337area0,6 km²avg depth5.1 m
41 more lakes
- Lac 471960area0,6 km²avg depth6.5 m
- Lac 458734area0,6 km²avg depth3.7 m
- Lac 442809area0,6 km²avg depth4.0 m
- Lac 465554area0,5 km²avg depth6.2 m
- Lac 467760area0,5 km²avg depth5.6 m
- Lac 459110area0,5 km²avg depth5.7 m
- Lac 468566area0,5 km²avg depth6.9 m
- Lac 478093area0,5 km²avg depth6.3 m
- Lac 467084area0,4 km²avg depth4.8 m
- Lac 463280area0,4 km²avg depth6.8 m
- Lac 468541area0,4 km²avg depth5.6 m
- Lac 474783area0,4 km²avg depth6.8 m
- Lac 457599area0,4 km²avg depth4.8 m
- Lac 464855area0,4 km²avg depth3.3 m
- Lac 455663area0,4 km²avg depth4.3 m
- Lac 462391area0,4 km²avg depth5.2 m
- Lac 468883area0,4 km²avg depth6.3 m
- Lac 487504area0,4 km²avg depth2.8 m
- Lac 491686area0,3 km²avg depth4.3 m
- Lac 457562area0,3 km²avg depth4.3 m
- Lac 462241area0,3 km²avg depth3.5 m
- Lac 456049area0,3 km²avg depth5.7 m
- Lac 458917area0,3 km²avg depth5.6 m
- Lac 467907area0,3 km²avg depth6.7 m
- Lac 474162area0,3 km²avg depth5.6 m
- Lac 464999area0,3 km²avg depth6.7 m
- Lac 469258area0,3 km²avg depth6.1 m
- Lac 464246area0,3 km²avg depth4.7 m
- Lac 448569area0,3 km²avg depth4.8 m
- Lac 462884area0,3 km²avg depth5.3 m
- Lac 462191area0,3 km²avg depth6.6 m
- Lac 450799area0,3 km²avg depth4.3 m
- Lac 452572area0,3 km²avg depth2.9 m
- Lac 469761area0,3 km²avg depth6.7 m
- Lac 458895area0,3 km²avg depth5.3 m
- Lac 476285area0,3 km²avg depth4.8 m
- Lac 470870area0,3 km²avg depth4.6 m
- Lac 461454area0,3 km²avg depth6.0 m
- Lac 473583area0,3 km²avg depth6.5 m
- Lac 466128area0,3 km²avg depth5.5 m
- Lac 466444area0,2 km²avg depth4.4 m
Rivers / streams (14, ord ≥ 4)
- Nowitna Riverord 5len here349.93 km70%total502 km
- Little Mud Riverord 4len here177.64 km55%total321 km
- Big Mud Riverord 4len here77.19 km100%total77 km
- Yukon Riverord 8len here70.28 km1%total4897 km
- Grand Creekord 3len here62.95 km100%total63 km
- Sulatna Riverord 4len here57.99 km25%total235 km
- Big Creekord 7len here36.92 km10%total378 km
- Lost Riverord 3len here34.89 km29%total119 km
- Beaver Creekord 5len here17.56 km3%total633 km
- Titna Riverord 4len here9.02 km6%total142 km
- Flint Creekord 4len here7.28 km21%total34 km
- Sulukna Riverord 5len here7.10 km6%total124 km
2 more river segmentssorted by Strahler order + length
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
- 64.54408, -153.86375
- 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.