Ontologia

Commune · CAN

Trécesson

Canada

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

Species observed

808

Observations

33 719

Area

202km²

Ecological tissue

Sample of 35 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 Trécesson : 25 espèces reliées par 65 interactions GloBI sur 3 types (connectance 10.3%, filtre Serrano α=0.2). 11 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

808 distinct species · 33 719 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

33 719 obs · 11 cellules
Obs. / cellule
≥ 13 000
9 581–12 999
1 769–9 580
1 148–1 768
< 1 148

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

Climate

Mean T°

1,8°C

Annual rain

974mm

Warmest m°

22,8°C

Coldest m°

-20,9°C

Elevation: 316 m on average (min 299 m, max 343 m)

Bioclimatic detailsExpert
Annual mean temp.
1,8°C
Annual rain
974mm
Warmest month
22,8°C
Coldest month
-20,9°C
Mean alt.
316m
Min
299m
Max
343m
Std. dev.
8m
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

5,4

Org. C

39,4g/kg

Clay

16,8%

Sand

48,8%

Silt

34,4%

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
5,4
Org. C
52,2g/kg
Clay
16,4%
Sand
49,1%
Silt
34,4%
5–15 cm
pH H₂O
5,4
Org. C
41,8g/kg
Clay
16,3%
Sand
49,5%
Silt
34,2%
15–30 cm
pH H₂O
5,5
Org. C
24,2g/kg
Clay
17,8%
Sand
47,8%
Silt
34,5%

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

Land cover

Forest62.9%
Crops2.5%
Built-up0.1%
Bare soil1.9%
Other (grassland, water…)32.7%

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

Hydrology3 basins · 7 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

43,4km

Lake surface here

4,81km²

Basins crossed

3

Max stream order

3

Max drainage

4 271km²

Discharge in basins

2,9m³/s

Mean precip.

890mm/an

Mean T°

0,9°C

Moisture idx

0,23

Max snow

45%

Mean runoff

469mm/an

Mean elev. (basins)

313m

Watersheds crossing here

Lakes (7, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

12,0%

Pesticides

1,4kg/km²

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