Ontologia

County · USA

Itasca

United States

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

Species observed

3 263

Observations

143 355

Area

7 592,5km²

Ecological tissue

Sample of 41 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 Itasca : 33 espèces reliées par 93 interactions GloBI sur 4 types (connectance 10.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
93
Connectance
0.108
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

3 263 distinct species · 143 355 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

143 355 obs · 193 cellules
Obs. / cellule
≥ 16 483
1 351–16 482
482–1 350
256–481
< 256

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

Climate

Mean T°

4,3°C

Annual rain

742mm

Warmest m°

24,4°C

Coldest m°

-16,7°C

Elevation: 412 m on average (min 377 m, max 490 m)

Bioclimatic detailsExpert
Annual mean temp.
4,3°C
Annual rain
742mm
Warmest month
24,4°C
Coldest month
-16,7°C
Mean alt.
412m
Min
377m
Max
490m
Std. dev.
15m
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

5,6

Org. C

33,9g/kg

Clay

17,7%

Sand

46,1%

Silt

36,2%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
49,9g/kg
Clay
16,5%
Sand
46,2%
Silt
37,3%
5–15 cm
pH H₂O
5,5
Org. C
35,6g/kg
Clay
17,2%
Sand
46,0%
Silt
36,8%
15–30 cm
pH H₂O
5,6
Org. C
16,3g/kg
Clay
19,5%
Sand
45,9%
Silt
34,6%

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

Land cover

Forest66.9%
Crops1.4%
Built-up0.1%
Bare soil0.7%
Other (grassland, water…)30.9%

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

Hydrology21 basins · 50 lakes · 83 rivers

Hydrology metrics for this exact territory

Stream length here

1 454,5km

Lake surface here

420,00km²

Basins crossed

21

Max stream order

5

Max drainage

11 307km²

Discharge in basins

177,1m³/s

Mean precip.

681mm/an

Mean T°

3,2°C

Moisture idx

-0,17

Max snow

37%

Mean runoff

255mm/an

Mean elev. (basins)

412m

Watersheds crossing here

12 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (83, ord ≥ 4)

71 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

11,5%

Pesticides

1,8kg/km²

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

Protected areas57

IUCN V · 57

Dishpan

IUCN V

State Wildlife Management Area

6 km²

Complete list

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