West Branch
IUCN Not AssignedConservation Easement · 2003
1 154 km²
Commune · CAN
Saint-Zacharie
Canada
DfbCold, no dry season, warm summer(100 %)
Species observed
515
Observations
8 775
Area
184,7km²
Ecological tissue
Sample of 27 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-Zacharie : 19 espèces + 8 bulles famille, 35 interactions GloBI documentées sur 4 types (connectance 10.0%, filtre Serrano α=0.2). Les 8 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
27
Interactions affichées
35
Connectance
0.100
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
515 distinct species · 8 775 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
3,7°C
Annual rain
1 337mm
Warmest m°
22,1°C
Coldest m°
-16,7°C
Elevation: 469 m on average (min 351 m, max 602 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
3,7°C
Annual rain
1 337mm
Warmest month
22,1°C
Coldest month
-16,7°C
Mean alt.
469m
Min
351m
Max
602m
Std. dev.
52m
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
4,7
Org. C
99,1g/kg
Clay
13,3%
Sand
41,3%
Silt
45,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Les Etchemins
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,6
Org. C
178,6g/kg
Clay
13,4%
Sand
40,4%
Silt
46,2%
5–15 cm
pH H₂O
4,6
Org. C
76,2g/kg
Clay
13,3%
Sand
40,9%
Silt
45,8%
15–30 cm
pH H₂O
4,9
Org. C
42,4g/kg
Clay
13,2%
Sand
42,8%
Silt
44,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest80.0%
Crops3.3%
Built-up0.1%
Bare soil0.3%
Other (grassland, water…)16.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 3 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
41,4km
Lake surface here
1,08km²
Basins crossed
4
Max stream order
2
Max drainage
838km²
Discharge in basins
4,0m³/s
Mean precip.
971mm/an
Mean T°
3,4°C
Moisture idx
0,23
Max snow
46%
Mean runoff
693mm/an
Mean elev. (basins)
417m
Watersheds crossing here
Lakes (3, top by area)
Rivers / streams (9, ord ≥ 4)
- Rivière Metgermette Nordord 2len here14.38 km58%total25 km
- Rivière Baillargéord 1len here7.61 km100%total8 km
- Rivière Metgermette Centraleord 1len here7.26 km99%total7 km
- Rivière à Pierreord 3len here3.97 km8%total51 km
- Southwest Branch Saint John Riverord 4len here3.21 km5%total61 km
- Rivière du Lac Falardeauord 1len here3.15 km50%total6 km
- Rivière Metgermette Sudord 1len here1.11 km17%total6 km
- Rivière des Abénaquisord 4len here0.54 km1%total53 km
- Rivière Vachonord 4len here0.15 km2%total10 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
12,8%
Pesticides
3,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Assigned · 1IUCN III · 1
Lac Central Old-Growth Forest
IUCN IIIOld-growth forest · 2019
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN