Ontologia

Commune · CAN

Rivière-Héva

Canada

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

Species observed

361

Observations

8 824

Area

189,5km²

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 Rivière-Héva : 20 espèces reliées par 99 interactions GloBI sur 3 types (connectance 20.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
99
Connectance
0.200
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

361 distinct species · 8 824 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 824 obs · 5 cellules
Obs. / cellule
≥ 6 656
6 656–6 655
1 093–6 655
857–1 092
< 857

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

Climate

Mean T°

2,3°C

Annual rain

963mm

Warmest m°

22,9°C

Coldest m°

-19,9°C

Elevation: 314 m on average (min 291 m, max 374 m)

Bioclimatic detailsExpert
Annual mean temp.
2,3°C
Annual rain
963mm
Warmest month
22,9°C
Coldest month
-19,9°C
Mean alt.
314m
Min
291m
Max
374m
Std. dev.
19m
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

5,3

Org. C

44,7g/kg

Clay

21,2%

Sand

41,2%

Silt

37,6%

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

Dominant lithology: mtGLiMaggregated to Vallée-de-l'Or

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
64,2g/kg
Clay
20,7%
Sand
41,7%
Silt
37,6%
5–15 cm
pH H₂O
5,3
Org. C
46,2g/kg
Clay
20,8%
Sand
41,7%
Silt
37,5%
15–30 cm
pH H₂O
5,4
Org. C
23,9g/kg
Clay
22,2%
Sand
40,1%
Silt
37,7%

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

Land cover

Forest62.9%
Crops1.5%
Built-up0.1%
Bare soil1.3%
Other (grassland, water…)34.3%

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

Hydrology3 basins · 6 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

46,6km

Lake surface here

23,98km²

Basins crossed

3

Max stream order

3

Max drainage

1 007km²

Discharge in basins

2,9m³/s

Mean precip.

908mm/an

Mean T°

1,2°C

Moisture idx

0,23

Max snow

46%

Mean runoff

485mm/an

Mean elev. (basins)

316m

Watersheds crossing here

Lakes (6, 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

5,9%

Pesticides

0,8kg/km²

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