Ontologia

Commune · CAN

Preissac

Canada

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

Species observed

924

Observations

21 399

Area

506,6km²

Ecological tissue

Sample of 32 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 Preissac : 26 espèces + 6 bulles famille, 40 interactions GloBI documentées sur 3 types (connectance 8.1%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
32
Interactions affichées
40
Connectance
0.081
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

924 distinct species · 21 399 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

21 399 obs · 26 cellules
Obs. / cellule
≥ 7 650
2 145–7 649
765–2 144
394–764
< 394

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

Climate

Mean T°

2,1°C

Annual rain

966mm

Warmest m°

23,0°C

Coldest m°

-20,4°C

Elevation: 308 m on average (min 291 m, max 373 m)

Bioclimatic detailsExpert
Annual mean temp.
2,1°C
Annual rain
966mm
Warmest month
23,0°C
Coldest month
-20,4°C
Mean alt.
308m
Min
291m
Max
373m
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

5,3

Org. C

38,7g/kg

Clay

19,9%

Sand

45,0%

Silt

35,1%

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

Dominant lithology: mtGLiMaggregated to Abitibi

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
53,0g/kg
Clay
18,8%
Sand
45,6%
Silt
35,6%
5–15 cm
pH H₂O
5,3
Org. C
39,9g/kg
Clay
19,7%
Sand
45,5%
Silt
34,8%
15–30 cm
pH H₂O
5,4
Org. C
23,1g/kg
Clay
21,2%
Sand
43,9%
Silt
34,9%

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

Land cover

Forest69.3%
Crops0.6%
Built-up0.0%
Bare soil0.7%
Other (grassland, water…)29.4%

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

Hydrology3 basins · 12 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

85,8km

Lake surface here

78,81km²

Basins crossed

3

Max stream order

4

Max drainage

2 116km²

Discharge in basins

12,2m³/s

Mean precip.

900mm/an

Mean T°

1,2°C

Moisture idx

0,22

Max snow

46%

Mean runoff

481mm/an

Mean elev. (basins)

316m

Watersheds crossing here

Lakes (12, top by area)

3 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

3,5%

Pesticides

0,9kg/km²

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

Protected areas1

IUCN IV · 1

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