Ontologia

Commune · CAN

Lac-Alfred

Canada

DfbCold, no dry season, warm summer(63 %)

Species observed

123

Observations

299

Area

77,3km²

Ecological tissue

Sample of 38 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 Lac-Alfred : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 4 types (connectance 11.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
81
Connectance
0.115
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

123 distinct species · 299 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

299 obs · 7 cellules
Obs. / cellule
≥ 118
118–117
35–117
25–34
< 25

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

Climate

Mean T°

1,6°C

Annual rain

1 583mm

Warmest m°

20,0°C

Coldest m°

-17,9°C

Elevation: 581 m on average (min 333 m, max 789 m)

Bioclimatic detailsExpert
Annual mean temp.
1,6°C
Annual rain
1 583mm
Warmest month
20,0°C
Coldest month
-17,9°C
Mean alt.
581m
Min
333m
Max
789m
Std. dev.
121m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(63 %)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

70,5g/kg

Clay

19,8%

Sand

43,0%

Silt

37,2%

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

Dominant lithology: smGLiMaggregated to La Matapédia

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
89,9g/kg
Clay
20,1%
Sand
41,4%
Silt
38,5%
5–15 cm
pH H₂O
4,8
Org. C
77,9g/kg
Clay
19,9%
Sand
42,7%
Silt
37,4%
15–30 cm
pH H₂O
4,9
Org. C
43,6g/kg
Clay
19,4%
Sand
45,0%
Silt
35,7%

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

Land cover

Forest58.8%
Crops7.7%
Built-up0.0%
Bare soil1.6%
Other (grassland, water…)31.9%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

7,1km

Basins crossed

2

Max stream order

2

Max drainage

1 807km²

Discharge in basins

1,6m³/s

Mean precip.

1 014mm/an

Mean T°

1,6°C

Moisture idx

0,34

Max snow

47%

Mean runoff

665mm/an

Mean elev. (basins)

311m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

1,2%

Pesticides

2,2kg/km²

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