Ontologia

Commune · CAN

Saint-Martin

Canada

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

Species observed

355

Observations

11 064

Area

121,8km²

Ecological tissue

Sample of 31 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-Martin : 24 espèces + 7 bulles famille, 47 interactions GloBI documentées sur 4 types (connectance 10.1%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
31
Interactions affichées
47
Connectance
0.101
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

355 distinct species · 11 064 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 064 obs · 2 cellules
Obs. / cellule
≥ 9 287
9 287–9 286
9 287–9 286
9 287–9 286
< 9 287

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

Climate

Mean T°

4,7°C

Annual rain

1 099mm

Warmest m°

23,3°C

Coldest m°

-16,0°C

Elevation: 308 m on average (min 238 m, max 407 m)

Bioclimatic detailsExpert
Annual mean temp.
4,7°C
Annual rain
1 099mm
Warmest month
23,3°C
Coldest month
-16,0°C
Mean alt.
308m
Min
238m
Max
407m
Std. dev.
44m
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

5,0

Org. C

88,8g/kg

Clay

12,9%

Sand

41,8%

Silt

45,3%

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

Dominant lithology: ssGLiMaggregated to Beauce-Sartigan

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
175,1g/kg
Clay
13,0%
Sand
41,1%
Silt
45,9%
5–15 cm
pH H₂O
5,0
Org. C
61,4g/kg
Clay
12,8%
Sand
41,3%
Silt
46,0%
15–30 cm
pH H₂O
5,2
Org. C
29,8g/kg
Clay
12,9%
Sand
43,0%
Silt
44,1%

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

Land cover

Forest65.4%
Crops9.5%
Built-up0.3%
Bare soil0.7%
Other (grassland, water…)24.1%

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

Hydrology1 basins · 0 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

54,2km

Basins crossed

1

Max stream order

4

Max drainage

2 159km²

Discharge in basins

2,5m³/s

Mean precip.

1 000mm/an

Mean T°

3,3°C

Moisture idx

0,26

Max snow

40%

Mean runoff

697mm/an

Mean elev. (basins)

464m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,9nW

Built-up

27,3%

Pesticides

9,8kg/km²

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