Grand Bois de Saint-Grégoire (partie Blanchard) Natural Area Under Private Stewardship
IUCN IVNatural Area Under Private Stewardship · 2005
0 km²
Commune · CAN
Marieville
Canada
DfbCold, no dry season, warm summer(100 %)
Species observed
256
Observations
4 799
Area
62,9km²
Ecological tissue
Sample of 39 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 Marieville : 34 espèces + 5 bulles famille, 50 interactions GloBI documentées sur 5 types (connectance 6.7%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
39
Interactions affichées
50
Connectance
0.068
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
256 distinct species · 4 799 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,9°C
Annual rain
1 070mm
Warmest m°
25,5°C
Coldest m°
-13,9°C
Elevation: 36 m on average (min 29 m, max 47 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,9°C
Annual rain
1 070mm
Warmest month
25,5°C
Coldest month
-13,9°C
Mean alt.
36m
Min
29m
Max
47m
Std. dev.
3m
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
6,0
Org. C
55,4g/kg
Clay
37,6%
Sand
30,6%
Silt
31,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: pbGLiMaggregated to Rouville
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
64,0g/kg
Clay
34,7%
Sand
32,1%
Silt
33,2%
5–15 cm
pH H₂O
6,0
Org. C
45,7g/kg
Clay
35,4%
Sand
31,8%
Silt
32,8%
15–30 cm
pH H₂O
6,0
Org. C
56,4g/kg
Clay
42,8%
Sand
27,8%
Silt
29,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest10.8%
Crops56.6%
Built-up1.4%
Bare soil1.1%
Other (grassland, water…)30.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
33,4km
Basins crossed
2
Max stream order
3
Max drainage
21 914km²
Discharge in basins
1,9m³/s
Mean precip.
977mm/an
Mean T°
6,1°C
Moisture idx
0,14
Max snow
26%
Mean runoff
628mm/an
Mean elev. (basins)
43m
Watersheds crossing here
Rivers / streams (9, ord ≥ 4)
- Ruisseau du Pin Rougeord 3len here6.62 km19%total35 km
- Ruisseau Lavigneord 2len here5.43 km28%total20 km
- Ruisseau Lebeau-Benjaminord 1len here4.14 km78%total5 km
- Ruisseau Maillouxord 1len here3.42 km32%total11 km
- Ruisseau des Dix Terresord 1len here3.33 km66%total5 km
- Ruisseau de la Branche du Rapideord 3len here3.22 km80%total4 km
- Décharge des Douzeord 1len here2.81 km27%total10 km
- Décharge du Nord de la Côte Doubleord 1len here2.67 km67%total4 km
- Ruisseau Saint-Louisord 3len here1.78 km10%total17 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
4,9nW
Built-up
145,0%
Pesticides
43,2kg/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