Ontologia

Commune · CAN

Saint-Marcellin

Canada

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

Species observed

367

Observations

21 995

Area

120,6km²

Ecological tissue

Sample of 28 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 Saint-Marcellin : 19 espèces reliées par 66 interactions GloBI sur 3 types (connectance 16.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
66
Connectance
0.163
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

367 distinct species · 21 995 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

21 995 obs · 4 cellules
Obs. / cellule
≥ 13 382
13 382–13 381
5 028–13 381
5 028–5 027
< 5 028

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

Climate

Mean T°

3,0°C

Annual rain

1 196mm

Warmest m°

21,3°C

Coldest m°

-17,1°C

Elevation: 309 m on average (min 201 m, max 417 m)

Bioclimatic detailsExpert
Annual mean temp.
3,0°C
Annual rain
1 196mm
Warmest month
21,3°C
Coldest month
-17,1°C
Mean alt.
309m
Min
201m
Max
417m
Std. dev.
39m
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

5,2

Org. C

69,6g/kg

Clay

22,5%

Sand

40,6%

Silt

36,9%

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

Dominant lithology: smGLiMaggregated to Rimouski-Neigette

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
100,9g/kg
Clay
22,9%
Sand
39,0%
Silt
38,1%
5–15 cm
pH H₂O
5,3
Org. C
72,4g/kg
Clay
22,1%
Sand
40,4%
Silt
37,4%
15–30 cm
pH H₂O
5,4
Org. C
35,6g/kg
Clay
22,5%
Sand
42,3%
Silt
35,2%

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

Land cover

Forest75.8%
Crops4.3%
Built-up0.0%
Bare soil0.4%
Other (grassland, water…)19.5%

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

Hydrology2 basins · 8 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

28,5km

Lake surface here

2,69km²

Basins crossed

2

Max stream order

4

Max drainage

1 807km²

Discharge in basins

2,4m³/s

Mean precip.

1 005mm/an

Mean T°

1,6°C

Moisture idx

0,34

Max snow

48%

Mean runoff

652mm/an

Mean elev. (basins)

317m

Watersheds crossing here

Lakes (8, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

2,5%

Pesticides

2,3kg/km²

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