Gratiot-Saginaw State
IUCN VGame Area
68 km²
County · USA
Gratiot
United States
DfaCold, no dry season, hot summer(61 %)
Species observed
2 042
Observations
190 981
Area
1 476,4km²
Ecological tissue
Sample of 36 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 Gratiot : 29 espèces reliées par 65 interactions GloBI sur 3 types (connectance 10.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
65
Connectance
0.103
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
2 042 distinct species · 190 981 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,8°C
Annual rain
868mm
Warmest m°
27,4°C
Coldest m°
-9,3°C
Elevation: 222 m on average (min 196 m, max 257 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,8°C
Annual rain
868mm
Warmest month
27,4°C
Coldest month
-9,3°C
Mean alt.
222m
Min
196m
Max
257m
Std. dev.
13m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(61 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,4
Org. C
44,3g/kg
Clay
23,2%
Sand
43,5%
Silt
33,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
56,9g/kg
Clay
22,0%
Sand
44,2%
Silt
33,8%
5–15 cm
pH H₂O
6,5
Org. C
47,0g/kg
Clay
23,4%
Sand
43,4%
Silt
33,2%
15–30 cm
pH H₂O
6,5
Org. C
29,1g/kg
Clay
24,3%
Sand
42,9%
Silt
32,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest23.2%
Crops54.4%
Built-up0.6%
Bare soil0.9%
Other (grassland, water…)21.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 12 lakes · 23 rivers
Hydrology metrics for this exact territory
Stream length here
281,4km
Lake surface here
6,47km²
Basins crossed
7
Max stream order
3
Max drainage
5 787km²
Discharge in basins
17,1m³/s
Mean precip.
794mm/an
Mean T°
7,9°C
Moisture idx
-0,16
Max snow
21%
Mean runoff
254mm/an
Mean elev. (basins)
245m
Watersheds crossing here
- Bassin de Pine Riversub-area1 066,9 km²overlap522.19 km²35%
- Bassin de Shiawassee Riversub-area2 915,4 km²overlap395.70 km²27%
- Bassin de Maple Riversub-area869,8 km²overlap252.38 km²17%
- Bassin de Chippewa Riversub-area1 966,2 km²overlap222.24 km²15%
- Bassin de Fish Creeksub-area397,8 km²overlap49.83 km²3%
- Bassin de Parker Swamp Drainsub-area372,1 km²overlap21.51 km²1%
- Bassin de Fish Creeksub-area70,6 km²overlap12.62 km²1%
Lakes (12, top by area)
- Lake #11083area1,8 km²avg depth3.9 m
- Unit Barea1,4 km²avg depth2.0 m
- Lake #11070area1,1 km²avg depth2.3 m
- Lac 1048654area0,6 km²avg depth2.5 m
- Lac 1048517area0,6 km²avg depth2.9 m
- Lac 1048794area0,4 km²avg depth1.8 m
- Lac 1048809area0,3 km²avg depth1.6 m
- Lac 1048422area0,3 km²avg depth2.6 m
- Lac 1048782area0,2 km²avg depth1.7 m
Rivers / streams (23, ord ≥ 4)
- Pine Riverord 4len here65.05 km10%total679 km
- Maple Riverord 4len here41.75 km31%total133 km
- Bad Riverord 5len here24.43 km18%total138 km
- Shad Creekord 2len here17.20 km100%total17 km
- Bear Creekord 5len here15.75 km4%total415 km
- Pine Creekord 3len here14.76 km6%total245 km
- Beaver Creekord 4len here13.87 km4%total381 km
- Arcadia Drainord 3len here11.95 km100%total12 km
- Bush Creekord 2len here11.90 km31%total38 km
- North Shade Drainord 2len here7.29 km100%total7 km
- County Ditch Number 131ord 1len here6.82 km79%total9 km
- Brady Creekord 1len here6.81 km100%total7 km
11 more river segmentssorted by Strahler order + length
- Potato Creekord 1len here6.54 km100%total7 km
- Coles Creekord 2len here6.54 km100%total7 km
- Honeyoey Creekord 1len here6.47 km100%total6 km
- Sugar Creekord 3len here5.21 km9%total61 km
- White and Blain Drainord 1len here4.03 km100%total4 km
- Horse Creekord 2len here3.38 km10%total32 km
- Little Salt Creekord 1len here3.15 km20%total16 km
- Fifield Creekord 1len here2.79 km52%total5 km
- South Fork Bad Riverord 3len here2.15 km6%total36 km
- Carpenter Creekord 2len here1.85 km7%total25 km
- Platt Drainord 2len here1.67 km28%total6 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,8nW
Built-up
54,7%
Pesticides
28,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas15
IUCN V · 11IUCN Not Assigned · 4
State
IUCN VForest
46 km²
Maple River State
IUCN VGame Area
37 km²
Farm Service Agency Interest Of Mi
IUCN Not AssignedConservation Easement
24 km²
Forest
IUCN VReserve
23 km²
Edmore State
IUCN VGame Area
14 km²
Complete list15 protected areas
- Gratiot-Saginaw StateGame AreaIUCN V68 km²
- StateForestIUCN V46 km²
- Maple River StateGame AreaIUCN V37 km²
- Farm Service Agency Interest Of MiConservation EasementIUCN Not Assigned24 km²
- ForestReserveIUCN V23 km²
- Edmore StateGame AreaIUCN V14 km²
- Vestaburg StateGame AreaIUCN V12 km²
- Wetlands Reserve Program (WRP), Gratiot, MIReserve ProgramIUCN V19967 km²
- Maple River/Gratiot-Saginaw Connector StateGame AreaIUCN V1 km²
- Gratiot County Soil ConservatNatural AreaIUCN V0 km²
- Britten NorthEasementIUCN Not Assigned20090 km²
- Farm Service Agency Interest Of MiConservation EasementIUCN V0 km²
- Wetlands Reserve Program (WRP), Gratiot, MIReserve ProgramIUCN V19990 km²
- Britten SouthEasementIUCN Not Assigned20090 km²
- Wrp000088Conservation EasementIUCN Not Assigned20160 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN