Valentine
IUCN IVNational Wildlife Refuge
298 km²
County · USA
Cherry
United States
DwaCold, dry winter, hot summer(51 %)
Species observed
2 586
Observations
126 895
Area
15 509,7km²
Ecological tissue
Sample of 47 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 Cherry : 39 espèces reliées par 80 interactions GloBI sur 4 types (connectance 7.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
47
Interactions affichées
80
Connectance
0.074
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
2 586 distinct species · 126 895 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,7°C
Annual rain
555mm
Warmest m°
30,0°C
Coldest m°
-7,8°C
Elevation: 971 m on average (min 696 m, max 1 218 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,7°C
Annual rain
555mm
Warmest month
30,0°C
Coldest month
-7,8°C
Mean alt.
971m
Min
696m
Max
1 218m
Std. dev.
106m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(51 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,8
Org. C
22,9g/kg
Clay
17,8%
Sand
61,7%
Silt
20,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
35,5g/kg
Clay
17,8%
Sand
61,3%
Silt
21,0%
5–15 cm
pH H₂O
6,8
Org. C
19,0g/kg
Clay
17,5%
Sand
62,0%
Silt
20,5%
15–30 cm
pH H₂O
6,9
Org. C
14,3g/kg
Clay
18,1%
Sand
61,8%
Silt
20,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest2.9%
Crops10.0%
Built-up0.0%
Bare soil2.2%
Other (grassland, water…)84.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology32 basins · 50 lakes · 16 rivers
Hydrology metrics for this exact territory
Stream length here
1 317,9km
Lake surface here
87,73km²
Basins crossed
32
Max stream order
5
Max drainage
21 676km²
Discharge in basins
45,5m³/s
Mean precip.
502mm/an
Mean T°
8,3°C
Moisture idx
-0,54
Max snow
12%
Mean runoff
47mm/an
Mean elev. (basins)
972m
Watersheds crossing here
- Bassin de North Loup Riversub-area2 118,2 km²overlap2121.60 km²14%
- Bassin de Snake Riversub-area2 178,6 km²overlap1839.32 km²12%
- Bassin de Ainsworth Canalsub-area1 337,9 km²overlap1296.06 km²8%
- Bassin de Middle Loup Riversub-area1 361,1 km²overlap1045.12 km²7%
- Bassin de Niobrara Riversub-area936,8 km²overlap927.75 km²6%
- Bassin de Goose Creeksub-area987,9 km²overlap835.22 km²5%
- Bassin de Plum Creeksub-area1 327,1 km²overlap834.14 km²5%
- Bassin de Niobrara Riversub-area786 km²overlap787.30 km²5%
- Bassin de North Loup Riversub-area739,2 km²overlap740.40 km²5%
23 more basinssorted by overlap
- Bassin de Niobrara Riversub-area1 185,2 km²overlap724.05 km²5%
- Bassin de Minnechaduza Creeksub-area1 051,5 km²overlap697.34 km²4%
- Bassin de Bear Creeksub-area871,4 km²overlap639.16 km²4%
- Bassin de Niobrara Riversub-area585,4 km²overlap586.39 km²4%
- Bassin de Niobrara Riversub-area491 km²overlap491.88 km²3%
- Bassin de North Loup Riversub-area799 km²overlap445.89 km²3%
- Bassin de Middle Loup Riversub-area738,3 km²overlap213.62 km²1%
- Bassin de Calamus Riversub-area2 555,9 km²overlap198.39 km²1%
- Bassin de Ainsworth Canalsub-area172,3 km²overlap172.58 km²1%
- Bassin de Little White Riversub-area406,2 km²overlap150.15 km²1%
- Bassin de Niobrara Riversub-area710,2 km²overlap140.85 km²1%
- Bassin de South Branch Middle Loup Riversub-area1 175,3 km²overlap140.79 km²1%
- Bassin de Niobrara Riversub-area132,4 km²overlap132.61 km²1%
- Bassin de Middle Loup Riversub-area185,1 km²overlap110.65 km²1%
- Basin #62440sub-area374,8 km²overlap100.61 km²1%
- Bassin de Middle Loup Riversub-area115,4 km²overlap46.41 km²0%
- Bassin de Long Pine Creeksub-area1 279,6 km²overlap33.84 km²0%
- Bassin de Antelope Creeksub-area414,1 km²overlap26.08 km²0%
- Bassin de Little White Riversub-area897,4 km²overlap11.74 km²0%
- Bassin de Keya Paha Riversub-area1 214,2 km²overlap6.79 km²0%
- Basin #60080sub-area350,9 km²overlap4.36 km²0%
- Bassin de Middle Loup Riversub-area452,5 km²overlap4.16 km²0%
- Basin #62000sub-area393,2 km²overlap3.63 km²0%
Lakes (50, top by area)
- Middle Marsh Lakearea10,4 km²avg depth2.7 m
- Merrittarea9,3 km²avg depth11.4 m
- Dads Lakearea4,6 km²avg depth8.0 m
- Big Alkali Lakearea3,6 km²avg depth5.3 m
- Pelican Lakearea3,2 km²avg depth4.7 m
- Mother Lakearea2,9 km²avg depth3.2 m
- Alkali Lakearea2,7 km²avg depth6.1 m
- Hackberry Lakearea2,5 km²avg depth4.2 m
- Dewey Lakearea2,5 km²avg depth3.4 m
41 more lakes
- Trout Lakearea2,3 km²avg depth2.9 m
- Alkali Lakearea2,2 km²avg depth5.8 m
- Clear Lakearea2,1 km²avg depth4.8 m
- Beaver Lakearea2 km²avg depth5.5 m
- Whitewater Lakearea1,9 km²avg depth3.7 m
- Lone Tree Lakearea1,8 km²avg depth1.9 m
- Cottonwood Lakearea1,8 km²avg depth5.7 m
- Lake #11333area1,6 km²avg depth3.7 m
- Mule Lakearea1,6 km²avg depth5.2 m
- Vrender Swamparea1,5 km²avg depth3.7 m
- Swan Lakearea1,5 km²avg depth2.0 m
- Long Lakearea1,5 km²avg depth2.6 m
- Red Deer Lakearea1,4 km²avg depth2.5 m
- S B Lakearea1,4 km²avg depth2.6 m
- Cody Lakearea1,3 km²avg depth3.2 m
- Round Lakearea1,3 km²avg depth5.7 m
- Willow Lakearea1,2 km²avg depth2.2 m
- Big Lakearea1,1 km²avg depth2.7 m
- Big Buck Lakearea1 km²avg depth4.9 m
- Clubhouse Lakearea1 km²avg depth2.4 m
- Lac 1051647area1 km²avg depth4.1 m
- Lac 1049533area1 km²avg depth4.1 m
- Lac 1050984area0,9 km²avg depth4.8 m
- Lac 1050972area0,8 km²avg depth4.0 m
- Lac 1051025area0,8 km²avg depth4.4 m
- Lac 1050858area0,8 km²avg depth1.9 m
- Lac 1051723area0,8 km²avg depth2.7 m
- Lac 1051763area0,8 km²avg depth3.5 m
- Lac 1049733area0,7 km²avg depth5.1 m
- Lac 1050261area0,7 km²avg depth4.2 m
- Lac 1051442area0,7 km²avg depth4.0 m
- Lac 1052057area0,7 km²avg depth3.1 m
- Lac 1051951area0,7 km²avg depth3.7 m
- Lac 1051846area0,7 km²avg depth4.6 m
- Lac 1051282area0,7 km²avg depth3.7 m
- Lac 1051600area0,7 km²avg depth3.3 m
- Lac 1050541area0,7 km²avg depth2.6 m
- Lac 1051417area0,6 km²avg depth3.8 m
- Lac 1051536area0,6 km²avg depth2.8 m
- Lac 1049702area0,6 km²avg depth4.9 m
- Lac 1050900area0,6 km²avg depth2.1 m
Rivers / streams (16, ord ≥ 4)
- Niobrara Riverord 8len here309.13 km24%total1303 km
- North Loup Riverord 4len here260.55 km37%total712 km
- Snake Riverord 4len here226.27 km49%total457 km
- Middle Loup Riverord 5len here140.73 km17%total812 km
- Ainsworth Canalord 3len here83.71 km86%total97 km
- Minnechaduza Creekord 5len here57.50 km100%total57 km
- Goose Creekord 5len here57.46 km9%total664 km
- Bear Creekord 6len here46.80 km2%total2230 km
- Leander Creekord 5len here36.40 km100%total36 km
- Clifford Creekord 3len here23.96 km91%total26 km
- South Branch Middle Loup Riverord 3len here20.40 km30%total68 km
- Gordon Creekord 3len here19.42 km57%total34 km
4 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
1,2%
Pesticides
5,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas17
IUCN V · 13IUCN IV · 2IUCN Ib · 2
Niobrara Valley Preserve Fee
IUCN VPreserve · 1980
209 km²
Fort Niobrara
IUCN IVNational Wildlife Refuge · 1912
77 km²
Valentine National Wildlife Refuge_
IUCN IbNational Wildlife Refuge
60 km²
Fort Niobrara National Wildlife Refuge_Wilderness Area
IUCN IbNational Wildlife Refuge · 1976
19 km²
Horse Creek Fen
IUCN VEasement · 2010
13 km²
Complete list17 protected areas
- ValentineNational Wildlife RefugeIUCN IV298 km²
- Niobrara Valley Preserve FeePreserveIUCN V1980209 km²
- Fort NiobraraNational Wildlife RefugeIUCN IV191277 km²
- Valentine National Wildlife Refuge_National Wildlife RefugeIUCN Ib60 km²
- Fort Niobrara National Wildlife Refuge_Wilderness AreaNational Wildlife RefugeIUCN Ib197619 km²
- Horse Creek FenEasementIUCN V201013 km²
- Cottonwood/steversonWildlife Management AreaIUCN V199612 km²
- Ballards MarshWildlife Management AreaIUCN V19616 km²
- Wetlands Reserve Program (WRP), Cherry, NEReserve ProgramIUCN V20084 km²
- Schlagel CreekWildlife Management AreaIUCN V19302 km²
- Chat CanyonWildlife Management AreaIUCN V2 km²
- Shell LakeWildlife Management AreaIUCN V19922 km²
- Valentine National Wildlife Refuge 3National Wildlife RefugeIUCN V19981 km²
- Rat And Beaver LakeWildlife Management AreaIUCN V19251 km²
- Borman BridgeWildlife Management AreaIUCN V19721 km²
- Anderson BridgeWildlife Management AreaIUCN V19781 km²
- Big Alkali LakeWildlife Management AreaIUCN V19640 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN