Ontologia

County · USA

Mackinac

United States

DfbCold, no dry season, warm summer(100 %)

Species observed

3 010

Observations

121 948

Area

2 769,5km²

Ecological tissue

Sample of 33 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 Mackinac : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 84 interactions GloBI sur 3 types (connectance 15.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
84
Connectance
0.159
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

3 010 distinct species · 121 948 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

121 948 obs · 67 cellules
Obs. / cellule
≥ 54 147
3 012–54 146
979–3 011
361–978
< 361

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

5,7°C

Annual rain

899mm

Warmest m°

23,5°C

Coldest m°

-12,3°C

Elevation: 218 m on average (min 130 m, max 283 m)

Bioclimatic detailsExpert
Annual mean temp.
5,7°C
Annual rain
899mm
Warmest month
23,5°C
Coldest month
-12,3°C
Mean alt.
218m
Min
130m
Max
283m
Std. dev.
25m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,5

Org. C

51,5g/kg

Clay

15,3%

Sand

52,1%

Silt

32,6%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
85,3g/kg
Clay
15,1%
Sand
51,4%
Silt
33,5%
5–15 cm
pH H₂O
5,5
Org. C
46,4g/kg
Clay
15,3%
Sand
51,9%
Silt
32,8%
15–30 cm
pH H₂O
5,6
Org. C
22,6g/kg
Clay
15,5%
Sand
53,1%
Silt
31,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest76.8%
Crops1.9%
Built-up0.1%
Bare soil0.7%
Other (grassland, water…)20.6%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology17 basins · 50 lakes · 69 rivers

Hydrology metrics for this exact territory

Stream length here

530,2km

Lake surface here

131,84km²

Basins crossed

17

Max stream order

4

Max drainage

214 027km²

Discharge in basins

2 396,9m³/s

Mean precip.

794mm/an

Mean T°

5,5°C

Moisture idx

-0,01

Max snow

38%

Mean runoff

407mm/an

Mean elev. (basins)

204m

Watersheds crossing here

8 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (69, ord ≥ 4)

57 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

10,9%

Pesticides

1,0kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas66

IUCN V · 46IUCN Not Assigned · 15IUCN Ib · 3IUCN IV · 1IUCN III · 1

Mackinac

IUCN Ib

Wilderness · 1987

46 km²

Complete list

+ 6 protected areas (top 60 shown)

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN