Ontologia

Commune · CAN

Saint-Marc-du-Lac-Long

Canada

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

Species observed

200

Observations

2 099

Area

155,2km²

Ecological tissue

Sample of 34 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-Marc-du-Lac-Long : 20 espèces reliées par 111 interactions GloBI sur 3 types (connectance 16.7%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
111
Connectance
0.167
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

200 distinct species · 2 099 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 099 obs · 4 cellules
Obs. / cellule
≥ 988
988–987
943–987
943–942
< 943

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

Climate

Mean T°

3,5°C

Annual rain

1 132mm

Warmest m°

22,4°C

Coldest m°

-17,1°C

Elevation: 316 m on average (min 216 m, max 434 m)

Bioclimatic detailsExpert
Annual mean temp.
3,5°C
Annual rain
1 132mm
Warmest month
22,4°C
Coldest month
-17,1°C
Mean alt.
316m
Min
216m
Max
434m
Std. dev.
48m
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

4,8

Org. C

82,6g/kg

Clay

19,0%

Sand

38,2%

Silt

42,8%

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

Dominant lithology: ssGLiMaggregated to Témiscouata

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,5
Org. C
137,1g/kg
Clay
19,3%
Sand
35,6%
Silt
45,1%
5–15 cm
pH H₂O
4,8
Org. C
77,0g/kg
Clay
19,1%
Sand
37,7%
Silt
43,2%
15–30 cm
pH H₂O
5,0
Org. C
33,9g/kg
Clay
18,6%
Sand
41,3%
Silt
40,1%

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

Land cover

Forest77.7%
Crops4.5%
Built-up0.0%
Bare soil0.4%
Other (grassland, water…)17.4%

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

Hydrology3 basins · 3 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

42,7km

Lake surface here

6,30km²

Basins crossed

3

Max stream order

2

Max drainage

15 456km²

Discharge in basins

18,5m³/s

Mean precip.

999mm/an

Mean T°

2,5°C

Moisture idx

0,27

Max snow

45%

Mean runoff

631mm/an

Mean elev. (basins)

288m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

3,7%

Pesticides

10,6kg/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