Yukon Delta
IUCN IVNational Wildlife Refuge · 1980
84 643 km²
Census Area · USA
Dillingham
United States
DfcCold, no dry season, cold summer(97 %)
Species observed
1 286
Observations
36 339
Area
48 677,8km²
Ecological tissue
Sample of 23 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 Dillingham : 19 espèces + 4 bulles famille, 25 interactions GloBI documentées sur 2 types (connectance 9.9%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
23
Interactions affichées
25
Connectance
0.099
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 286 distinct species · 36 339 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
-0,2°C
Annual rain
1 153mm
Warmest m°
16,1°C
Coldest m°
-14,5°C
Elevation: 212 m on average (min -37 m, max 1 237 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
-0,2°C
Annual rain
1 153mm
Warmest month
16,1°C
Coldest month
-14,5°C
Mean alt.
212m
Min
-37m
Max
1 237m
Std. dev.
189m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(97 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology92 basins · 50 lakes · 63 rivers
Hydrology metrics for this exact territory
Stream length here
3 314,7km
Lake surface here
1 251,18km²
Basins crossed
92
Max stream order
7
Max drainage
35 918km²
Discharge in basins
7 612,8m³/s
Mean precip.
578mm/an
Mean T°
-0,8°C
Moisture idx
0,20
Max snow
65%
Mean runoff
709mm/an
Mean elev. (basins)
208m
Watersheds crossing here
- Bassin de Kulukak Riversub-area2 657,4 km²overlap2596.74 km²5%
- Bassin de Igushik Riversub-area2 093,6 km²overlap2104.82 km²4%
- Bassin de Kogrukluk Riversub-area2 043,2 km²overlap2036.50 km²4%
- Bassin de Nushagak Riversub-area1 953 km²overlap1964.18 km²4%
- Bassin de Kokwok Riversub-area1 823,9 km²overlap1833.95 km²4%
- Bassin de Nuyakuk Riversub-area1 709,1 km²overlap1718.64 km²4%
- Bassin de Nushagak Riversub-area1 677,4 km²overlap1615.40 km²3%
- Bassin de Mulchatna Riversub-area3 203,2 km²overlap1608.36 km²3%
- Bassin de Izavieknik Riversub-area1 610,1 km²overlap1582.05 km²3%
83 more basinssorted by overlap
- Bassin de Tikchik Riversub-area1 446,8 km²overlap1454.94 km²3%
- Bassin de Chukowan Riversub-area1 762,2 km²overlap1388.26 km²3%
- Bassin de Portage Creeksub-area1 363,3 km²overlap1365.04 km²3%
- Bassin de Agulukpak Riversub-area1 299,7 km²overlap1306.90 km²3%
- Bassin de Snake Riversub-area1 319,8 km²overlap1302.67 km²3%
- Bassin de Allen Riversub-area1 288,1 km²overlap1293.97 km²3%
- Bassin de Cranberry Creeksub-area1 201,5 km²overlap1208.20 km²2%
- Bassin de King Salmon Riversub-area1 174,6 km²overlap1181.30 km²2%
- Bassin de Clark Sloughsub-area1 330,7 km²overlap1129.58 km²2%
- Bassin de Holitna Riversub-area1 863,3 km²overlap1003.33 km²2%
- Bassin de Mulchatna Riversub-area873,3 km²overlap876.45 km²2%
- Bassin de Chichitnok Riversub-area831,5 km²overlap836.22 km²2%
- Bassin de Nushagak Riversub-area698,9 km²overlap702.80 km²1%
- Basin #91750sub-area656,8 km²overlap660.46 km²1%
- Bassin de Koktuli Riversub-area1 691,3 km²overlap645.86 km²1%
- Bassin de Kemuk Riversub-area585,4 km²overlap588.59 km²1%
- Bassin de Aniak Riversub-area1 228,4 km²overlap572.47 km²1%
- Bassin de Togiak Riversub-area560,8 km²overlap563.84 km²1%
- Bassin de Vukpalik Creeksub-area553,1 km²overlap556.19 km²1%
- Basin #90400sub-area523,7 km²overlap526.64 km²1%
- Bassin de Nushagak Riversub-area520,3 km²overlap523.25 km²1%
- Bassin de Stuyakok Riversub-area726,1 km²overlap513.41 km²1%
- Bassin de Wood Riversub-area467,2 km²overlap469.79 km²1%
- Basin #06220sub-area467,2 km²overlap469.70 km²1%
- Bassin de Mulchatna Riversub-area526,3 km²overlap460.43 km²1%
- Bassin de Lower Klutuk Creeksub-area553,6 km²overlap436.27 km²1%
- Basin #01680sub-area419 km²overlap421.32 km²1%
- Bassin de Togiak Riversub-area407,7 km²overlap409.92 km²1%
- Bassin de Togiak Riversub-area478,2 km²overlap401.24 km²1%
- Bassin de Mulchatna Riversub-area377,7 km²overlap379.84 km²1%
- Bassin de Nushagak Riversub-area372,4 km²overlap374.52 km²1%
- Bassin de Old Man Creeksub-area371,6 km²overlap373.73 km²1%
- Bassin de Wood Riversub-area361,4 km²overlap363.34 km²1%
- Bassin de Hoholitna Riversub-area377,2 km²overlap359.75 km²1%
- Basin #04660sub-area364,4 km²overlap340.86 km²1%
- Bassin de Holitna Riversub-area587 km²overlap326.27 km²1%
- Bassin de Sunshine Creeksub-area323,4 km²overlap325.17 km²1%
- Basin #04650sub-area332,6 km²overlap319.54 km²1%
- Bassin de Keefer Cutoff (Nushagak River)sub-area316,6 km²overlap318.28 km²1%
- Bassin de Kanektok Riversub-area2 422,6 km²overlap311.77 km²1%
- Bassin de South Fork Hoholitna Riversub-area1 028,4 km²overlap302.51 km²1%
- Bassin de Little Muklung Riversub-area290 km²overlap291.49 km²1%
- Bassin de Elva Creeksub-area275,9 km²overlap277.43 km²1%
- Bassin de Togiak Riversub-area262,6 km²overlap252.02 km²1%
- Bassin de Togiak Riversub-area241 km²overlap242.33 km²0%
- Basin #04680sub-area441,1 km²overlap235.32 km²0%
- Bassin de Keefer Cutoff (Nushagak River)sub-area228,5 km²overlap229.74 km²0%
- Basin #91600sub-area223,3 km²overlap224.55 km²0%
- Basin #68690sub-area425,5 km²overlap220.78 km²0%
- Basin #98950sub-area218,3 km²overlap219.54 km²0%
- Bassin de Goodnews Riversub-area2 715 km²overlap199.85 km²0%
- Bassin de Lower Klutuk Creeksub-area193,6 km²overlap194.68 km²0%
- Bassin de Nasaurluq Creeksub-area202,4 km²overlap192.03 km²0%
- Bassin de Kwethluk Riversub-area479,5 km²overlap158.08 km²0%
- Bassin de Wood Riversub-area152,3 km²overlap147.85 km²0%
- Basin #91770sub-area136,5 km²overlap137.32 km²0%
- Bassin de Kisaralik Riversub-area435 km²overlap127.57 km²0%
- Bassin de Crooked Creeksub-area408,5 km²overlap126.05 km²0%
- Bassin de Togiak Riversub-area118,9 km²overlap119.52 km²0%
- Bassin de Nushagak Riversub-area89,2 km²overlap89.71 km²0%
- Bassin de Kvichak Riversub-area565,6 km²overlap76.14 km²0%
- Bassin de Quicksilver Creeksub-area912,8 km²overlap69.50 km²0%
- Bassin de Hoholitna Riversub-area1 864,3 km²overlap68.22 km²0%
- Bassin de Holitna Riversub-area571,6 km²overlap59.32 km²0%
- Bassin de Nushagak Riversub-area56 km²overlap56.27 km²0%
- Basin #07280sub-area52,4 km²overlap52.66 km²0%
- Bassin de Hoholitna Riversub-area84,2 km²overlap27.95 km²0%
- Basin #04690sub-area84,5 km²overlap27.80 km²0%
- Bassin de Holitna Riversub-area302,3 km²overlap22.65 km²0%
- Bassin de Togiak Riversub-area21,5 km²overlap21.61 km²0%
- Basin #06880sub-area24,2 km²overlap13.70 km²0%
- Bassin de Holitna Riversub-area18,1 km²overlap10.54 km²0%
- Bassin de Mulchatna Riversub-area9,4 km²overlap9.41 km²0%
- Basin #99290sub-area6,5 km²overlap6.52 km²0%
- Bassin de Wood Riversub-area8,7 km²overlap5.85 km²0%
- Bassin de Old Man Creeksub-area5,6 km²overlap5.65 km²0%
- Bassin de Eek Riversub-area1 044,3 km²overlap5.23 km²0%
- Basin #04700sub-area527,4 km²overlap4.76 km²0%
- Bassin de Kvichak Riversub-area417,7 km²overlap3.35 km²0%
- Bassin de Bear Creeksub-area350,2 km²overlap3.14 km²0%
- Bassin de Kaskanak Creeksub-area882,9 km²overlap2.85 km²0%
- Bassin de Quicksilver Creeksub-area576,7 km²overlap0.60 km²0%
- Bassin de Holitna Riversub-area102,7 km²overlap0.10 km²0%
Lakes (50, top by area)
- Lakes Nuyakuk, Tikchik, Chauekuktuliarea241,8 km²avg depth51.3 m
- Lake Nerkaarea202,1 km²avg depth40.9 m
- Chikuminuk Lakearea99,2 km²avg depth44.4 m
- Lake Beverleyarea90,7 km²avg depth32.3 m
- Lake Aleknagikarea84 km²avg depth21.0 m
- Lake Chauekuktuliarea80,6 km²avg depth37.4 m
- Nunavaugaluk Lakearea79,1 km²avg depth27.6 m
- Lake Kulikarea47,1 km²avg depth37.9 m
- Upnuk Lakearea46,3 km²avg depth36.6 m
41 more lakes
- Ualik Lakearea39 km²avg depth15.6 m
- Togiak Lakearea38,8 km²avg depth22.5 m
- Amanka Lakearea33 km²avg depth22.4 m
- Kisaralik Lakearea13,5 km²avg depth20.3 m
- Nishlik Lakearea13,1 km²avg depth14.4 m
- Little Togiak Lakearea8,1 km²avg depth22.8 m
- Grant Lakearea7,7 km²avg depth8.3 m
- Lake #66223area6,8 km²avg depth1.6 m
- Upper Togiak Lakearea6,8 km²avg depth17.4 m
- Lake #65985area6,8 km²avg depth1.6 m
- High Lakearea6,2 km²avg depth19.7 m
- Pungokepuk Lakearea5,9 km²avg depth3.8 m
- Kikertalik Lakearea5,7 km²avg depth2.1 m
- Heart Lakearea5,3 km²avg depth12.1 m
- Lake #64774area4,8 km²avg depth6.2 m
- Supply Lakearea4,4 km²avg depth3.0 m
- Gechiak Lakearea4,2 km²avg depth9.4 m
- Aniak Lakearea3,9 km²avg depth12.8 m
- Lake #67360area3,5 km²avg depth1.5 m
- Lake #61046area3,3 km²avg depth5.2 m
- Lake #66430area3,3 km²avg depth1.9 m
- Lake #64933area3,3 km²avg depth2.3 m
- Lake #61033area3,2 km²avg depth7.8 m
- Slate Lakearea3,1 km²avg depth14.8 m
- Cascade Lakearea3,1 km²avg depth15.4 m
- Gold Lakearea3 km²avg depth15.4 m
- Lake #67275area2,9 km²avg depth1.1 m
- Lake #66385area2,9 km²avg depth2.1 m
- Kukaktlim Lakearea2,7 km²avg depth9.8 m
- Lake #66175area2,6 km²avg depth3.0 m
- Okstukuk Lakearea2,6 km²avg depth4.0 m
- Lake #65443area2,5 km²avg depth1.2 m
- Nenevok Lakearea2,5 km²avg depth6.3 m
- Lake #63889area2,2 km²avg depth2.1 m
- Lake #63820area2,1 km²avg depth1.7 m
- Lake #67182area2,1 km²avg depth1.3 m
- Lake #66221area2 km²avg depth1.3 m
- Lake #66074area1,9 km²avg depth1.2 m
- Lake #66785area1,8 km²avg depth1.6 m
- Mikchalk Lakearea1,8 km²avg depth8.0 m
- Lake #64332area1,7 km²avg depth0.9 m
Rivers / streams (63, ord ≥ 4)
- Nushagak Riverord 7len here374.35 km100%total373 km
- Mulchatna Riverord 6len here314.49 km53%total596 km
- Togiak Riverord 4len here172.53 km100%total172 km
- Tikchik Riverord 4len here139.02 km100%total139 km
- King Salmon Riverord 4len here131.77 km100%total131 km
- Igushik Riverord 5len here128.39 km100%total128 km
- Kogrukluk Riverord 5len here127.60 km100%total128 km
- Nuyakuk Riverord 5len here121.61 km100%total121 km
- Shotgun Creekord 4len here121.02 km100%total121 km
- Old Man Creekord 6len here102.13 km100%total102 km
- Kulukak Riverord 3len here100.66 km99%total102 km
- Snake Riverord 4len here82.14 km100%total82 km
51 more river segmentssorted by Strahler order + length
- Chukowan Riverord 4len here80.43 km98%total82 km
- Kemuk Riverord 3len here77.12 km100%total77 km
- Stuyakok Riverord 3len here77.02 km65%total118 km
- Clark Sloughord 3len here65.25 km100%total65 km
- Cranberry Creekord 3len here63.87 km100%total64 km
- Aniak Riverord 5len here61.32 km22%total276 km
- Wood Riverord 4len here58.46 km92%total64 km
- Keefer Cutoff (Nushagak River)ord 7len here57.40 km100%total57 km
- Izavieknik Riverord 4len here55.93 km100%total56 km
- Vukpalik Creekord 3len here55.54 km100%total55 km
- Kokwok Riverord 4len here53.81 km100%total54 km
- Kwethluk Riverord 5len here41.71 km16%total261 km
- Koktuli Riverord 5len here40.77 km32%total127 km
- Allen Riverord 5len here37.69 km100%total38 km
- Chichitnok Riverord 4len here35.67 km100%total36 km
- Kanik Riverord 3len here31.11 km97%total32 km
- Aukamunuk Creekord 2len here29.22 km92%total32 km
- Pungokepuk Creekord 2len here28.72 km100%total29 km
- Gold Creekord 3len here24.91 km100%total25 km
- Swan Riverord 5len here24.40 km100%total24 km
- Sunshine Creekord 3len here24.08 km100%total24 km
- Kukaktlik Riverord 4len here23.38 km53%total44 km
- Longarm Creekord 2len here22.33 km100%total22 km
- South Fork Hoholitna Riverord 4len here22.31 km29%total78 km
- Agulukpak Riverord 4len here21.62 km100%total22 km
- Portage Creekord 3len here21.16 km100%total21 km
- Hoholitna Riverord 5len here20.72 km7%total300 km
- Weary Riverord 3len here19.22 km100%total19 km
- Kisaralik Riverord 3len here17.20 km100%total17 km
- Tithe Creekord 3len here17.07 km100%total17 km
- Elva Creekord 1len here15.12 km100%total15 km
- North Fork Kisaralik Riverord 3len here14.94 km40%total38 km
- Little Muklung Riverord 3len here14.80 km100%total15 km
- Crooked Creekord 4len here13.47 km12%total109 km
- Nasaurluq Creekord 3len here12.89 km99%total13 km
- Lower Klutuk Creekord 7len here12.30 km100%total12 km
- Peace Riverord 4len here11.39 km100%total11 km
- Atmugiak Creekord 2len here10.65 km83%total13 km
- North Fork Swan Riverord 3len here10.56 km100%total11 km
- Gemuk Creekord 1len here10.50 km100%total10 km
- Grayling Creekord 1len here9.83 km100%total10 km
- Kisaralik Riverord 4len here9.49 km5%total210 km
- Holitna Riverord 6len here9.28 km3%total299 km
- Igmiumanik Riverord 2len here8.98 km52%total17 km
- Little Swift Creekord 2len here8.94 km44%total21 km
- Wind Riverord 4len here7.59 km100%total8 km
- Amau Creekord 2len here5.77 km93%total6 km
- Middle Fork Goodnews Riverord 4len here1.00 km1%total101 km
- East Channel Togiak Riverord 1len here0.78 km100%total1 km
- Scandinavian Creekord 1len here0.70 km101%total1 km
- Nasaurluq Creekord 1len here0.56 km64%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas10
IUCN IV · 6IUCN V · 2IUCN Ib · 1IUCN Ia · 1🌊 Marine · 8
Yukon Delta National Wildlife Refuge
IUCN IVMarine Protected Area · 1980
84 393 km²
Alaska Maritime National Wildlife Refuge
IUCN IVMarine Protected Area · 1980
18 437 km²
Alaska Maritime
IUCN IVNational Wildlife Refuge
18 433 km²
Togiak
IUCN IVNational Wildlife Refuge
17 290 km²
Togiak
IUCN IbWilderness Area · 1980
9 614 km²
Complete list10 protected areas
- Yukon DeltaNational Wildlife RefugeIUCN IV198084 643 km²
- Yukon Delta National Wildlife RefugeMarine Protected AreaIUCN IV198084 393 km²
- Alaska Maritime National Wildlife RefugeMarine Protected AreaIUCN IV198018 437 km²
- Alaska MaritimeNational Wildlife RefugeIUCN IV18 433 km²
- TogiakNational Wildlife RefugeIUCN IV17 290 km²
- TogiakWilderness AreaIUCN Ib19809 614 km²
- Wood-tikchikState ParkIUCN V19786 123 km²
- Walrus Islands State Game SanctuaryMarine Protected AreaIUCN IV1989756 km²
- Walrus IslandsState Game SanctuaryIUCN V1960657 km²
- Round Island No Entry ZoneMarine Protected AreaIUCN Ia141 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN