Vallée-de-la-Rivière-Sainte-Marguerite Biodiversity Reserve
IUCN IIBiodiversity reserve · 2022
321 km²
Commune · CAN
Saint-Fulgence
Canada
DfbCold, no dry season, warm summer(100 %)
Species observed
2 083
Observations
315 361
Area
407,5km²
Ecological tissue
Sample of 25 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-Fulgence : 14 espèces reliées par 70 interactions GloBI sur 2 types (connectance 21.5%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
70
Connectance
0.215
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
2 083 distinct species · 315 361 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
2,5°C
Annual rain
1 276mm
Warmest m°
22,2°C
Coldest m°
-20,1°C
Elevation: 229 m on average (min -138 m, max 717 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
2,5°C
Annual rain
1 276mm
Warmest month
22,2°C
Coldest month
-20,1°C
Mean alt.
229m
Min
-138m
Max
717m
Std. dev.
116m
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
5,2
Org. C
77,5g/kg
Clay
21,0%
Sand
49,1%
Silt
29,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Le Fjord-du-Saguenay
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,1
Org. C
104,9g/kg
Clay
21,1%
Sand
48,0%
Silt
30,9%
5–15 cm
pH H₂O
5,3
Org. C
82,4g/kg
Clay
21,3%
Sand
49,2%
Silt
29,5%
15–30 cm
pH H₂O
5,3
Org. C
45,1g/kg
Clay
20,7%
Sand
50,0%
Silt
29,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest80.0%
Crops0.3%
Built-up0.1%
Bare soil0.7%
Other (grassland, water…)18.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 16 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
138,4km
Lake surface here
6,78km²
Basins crossed
4
Max stream order
7
Max drainage
83 548km²
Discharge in basins
374,7m³/s
Mean precip.
1 033mm/an
Mean T°
1,3°C
Moisture idx
0,33
Max snow
55%
Mean runoff
715mm/an
Mean elev. (basins)
398m
Watersheds crossing here
Lakes (16, top by area)
- Grand lac Saint-Germainsarea2,8 km²avg depth14.3 m
- Lac Laurentarea1,6 km²avg depth6.6 m
- Petit lac Saint-Germainsarea1,4 km²avg depth10.0 m
- Lac Rougearea1,3 km²avg depth11.4 m
- Lac 992077area0,8 km²avg depth5.3 m
- Lac 991632area0,7 km²avg depth6.3 m
- Lac 991219area0,3 km²avg depth5.7 m
- Lac 992209area0,3 km²avg depth4.7 m
- Lac 990786area0,2 km²avg depth6.5 m
Rivers / streams (13, ord ≥ 4)
- Rivière Saguenayord 7len here34.45 km27%total127 km
- Le Petit Brasord 1len here19.39 km80%total24 km
- Rivière Sainte-Margueriteord 7len here18.41 km13%total144 km
- Rivière Pelletierord 3len here18.16 km91%total20 km
- Rivière aux Outardesord 2len here12.81 km100%total13 km
- Rivière aux Foinsord 1len here12.78 km99%total13 km
- Rivière Valinord 4len here11.62 km56%total21 km
- Ruisseau des Montsord 1len here2.71 km98%total3 km
- Ruisseau Glissantord 1len here2.52 km95%total3 km
- Ruisseau Droitord 2len here2.38 km35%total7 km
- Bras du Nordord 3len here1.68 km8%total20 km
- Ruisseau Bellaord 1len here1.36 km28%total5 km
1 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
5,3%
Pesticides
10,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas10
IUCN IV · 5IUCN II · 2IUCN Not Applicable · 1IUCN Ia · 1IUCN III · 1🌊 Marine · 3
Monts-Valin National Park (Québec)
IUCN IIQuebec's national park · 1996
154 km²
Saguenay Fjord Upstream Closure
IUCN Not ApplicableOther Effective Area-Based Conservation Measure · 2017
109 km²
G.-Oscar-Villeneuve Ecological Reserve
IUCN IaEcological reserve · 1989
6 km²
Battures-de-Saint-Fulgence Wildlife Preserve
IUCN IVWildlife preserve · 2005
3 km²
Cap à la Loutre Water Fowl Gathering Area
IUCN IVWater fowl gathering area · 2000
2 km²
Complete list10 protected areas
- Vallée-de-la-Rivière-Sainte-Marguerite Biodiversity ReserveBiodiversity reserveIUCN II2022321 km²
- Monts-Valin National Park (Québec)Quebec's national parkIUCN II1996154 km²
- Saguenay Fjord Upstream ClosureOther Effective Area-Based Conservation MeasureIUCN Not Applicable2017109 km²
- G.-Oscar-Villeneuve Ecological ReserveEcological reserveIUCN Ia19896 km²
- Battures-de-Saint-Fulgence Wildlife PreserveWildlife preserveIUCN IV20053 km²
- Cap à la Loutre Water Fowl Gathering AreaWater fowl gathering areaIUCN IV20002 km²
- 02352R033 Biological RefugeBiological refugeIUCN IV20121 km²
- 02352R034 Biological RefugeBiological refugeIUCN IV20141 km²
- 02352R035 Biological RefugeBiological refugeIUCN IV20121 km²
- Rivière Sainte-Marguerite Rare Forest EcosystemRare forest ecosystemIUCN III20110 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN