Hyde County
IUCN VWaterfowl Production Area
242 km²
County · USA
Sully
United States
DfaCold, no dry season, hot summer(68 %)
Species observed
594
Observations
17 991
Area
2 786km²
Ecological tissue
Sample of 28 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 Sully : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 82 interactions GloBI sur 3 types (connectance 17.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
82
Connectance
0.176
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
594 distinct species · 17 991 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,0°C
Annual rain
506mm
Warmest m°
30,4°C
Coldest m°
-11,5°C
Elevation: 548 m on average (min 488 m, max 599 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,0°C
Annual rain
506mm
Warmest month
30,4°C
Coldest month
-11,5°C
Mean alt.
548m
Min
488m
Max
599m
Std. dev.
25m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(68 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,0
Org. C
21,9g/kg
Clay
35,4%
Sand
20,6%
Silt
44,0%
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
6,8
Org. C
31,1g/kg
Clay
34,6%
Sand
20,7%
Silt
44,8%
5–15 cm
pH H₂O
7,0
Org. C
21,0g/kg
Clay
35,1%
Sand
20,6%
Silt
44,4%
15–30 cm
pH H₂O
7,2
Org. C
13,5g/kg
Clay
36,7%
Sand
20,4%
Silt
42,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.9%
Crops62.2%
Built-up0.0%
Bare soil1.4%
Other (grassland, water…)35.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 26 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
179,8km
Lake surface here
170,17km²
Basins crossed
7
Max stream order
8
Max drainage
612 897km²
Discharge in basins
1 311,9m³/s
Mean precip.
451mm/an
Mean T°
7,4°C
Moisture idx
-0,57
Max snow
14%
Mean runoff
58mm/an
Mean elev. (basins)
550m
Watersheds crossing here
- Bassin de Missouri Riversub-area2 709,3 km²overlap1466.00 km²53%
- Bassin de Medicine Knoll Creeksub-area2 207,3 km²overlap859.29 km²31%
- Bassin de Missouri Riversub-area576,4 km²overlap189.54 km²7%
- Bassin de Missouri Riversub-area236,8 km²overlap160.19 km²6%
- Bassin de Missouri Riversub-area582,1 km²overlap107.02 km²4%
- Bassin de Missouri Riversub-area427,9 km²overlap3.06 km²0%
- Bassin de Cheyenne Riversub-area1 215,9 km²overlap0.72 km²0%
Lakes (26, top by area)
- Oahearea1 092,5 km²avg depth26.6 m
- Stone Lakearea3,9 km²avg depth1.7 m
- Lake #09705area2,1 km²avg depth2.2 m
- Warnes Slougharea2 km²avg depth1.4 m
- Cottonwood Lakearea1,9 km²avg depth1.5 m
- Lake #10028area1,3 km²avg depth1.0 m
- Lake #09732area1,2 km²avg depth2.1 m
- Lac 1042722area0,9 km²avg depth2.6 m
- Lac 1042984area0,9 km²avg depth2.8 m
17 more lakes
- Lac 1043069area0,9 km²avg depth2.5 m
- Lac 1043501area0,8 km²avg depth1.8 m
- Lac 1043219area0,7 km²avg depth2.4 m
- Lac 1043243area0,7 km²avg depth2.5 m
- Lac 1043619area0,7 km²avg depth3.9 m
- Lac 1043100area0,7 km²avg depth1.6 m
- Lac 1043347area0,6 km²avg depth2.1 m
- Lac 1044281area0,4 km²avg depth3.0 m
- Lac 1042782area0,3 km²avg depth1.9 m
- Lac 1042702area0,3 km²avg depth1.9 m
- Lac 1044069area0,3 km²avg depth4.0 m
- Lac 1042421area0,2 km²avg depth1.8 m
- Lac 1042799area0,2 km²avg depth2.1 m
- Lac 1042365area0,2 km²avg depth1.9 m
- Lac 1042953area0,2 km²avg depth1.7 m
- Lac 1043009area0,2 km²avg depth1.6 m
- Lac 1042166area0,1 km²avg depth2.4 m
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
3,2%
Pesticides
11,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas26
IUCN V · 25IUCN VI · 1
Sully County
IUCN VWaterfowl Production Area
35 km²
Cottonwood
IUCN VLake
7 km²
R Leesman
IUCN VState Wildlife Management Area
7 km²
Grassland Reserve Program (GRP), Sully, SD
IUCN VReserve Program · 2015
5 km²
Stone
IUCN VLake
5 km²
Complete list26 protected areas
- Hyde CountyWaterfowl Production AreaIUCN V242 km²
- Sully CountyWaterfowl Production AreaIUCN V35 km²
- CottonwoodLakeIUCN V7 km²
- R LeesmanState Wildlife Management AreaIUCN V7 km²
- Grassland Reserve Program (GRP), Sully, SDReserve ProgramIUCN V20155 km²
- StoneLakeIUCN V5 km²
- H SmithState Wildlife Management AreaIUCN V4 km²
- Sutton Game Production AreaState Wildlife Management AreaIUCN V4 km²
- David OgleState Wildlife Management AreaIUCN V3 km²
- BluntReservoirIUCN V3 km²
- Little BendRecreation AreaIUCN V2 km²
- Koening Game Production AreaState Wildlife Management AreaIUCN V2 km²
- Cow CreekRecreation AreaIUCN V1 km²
- Sully CountyWaterfowl Production AreaIUCN VI20041 km²
- James Ogle 37State Wildlife Management AreaIUCN V1 km²
- J FangerState Wildlife Management AreaIUCN V1 km²
- D WincklerState Wildlife Management AreaIUCN V1 km²
- T. BecklerState Wildlife Management AreaIUCN V1 km²
- LambrechtState Wildlife Management AreaIUCN V1 km²
- Spring CreekRecreation AreaIUCN V1 km²
- Okobojo PointRecreation AreaIUCN V1 km²
- HoferState Wildlife Management AreaIUCN V0 km²
- Bush's LandingRecreation AreaIUCN V0 km²
- OnidaState Wildlife Management AreaIUCN V0 km²
- Sutton BayState Recreation AreaIUCN V0 km²
- SullyLakeIUCN V0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN