Severn River Conservation Reserve
IUCN IIConservation Reserve · 2003
99 km²
Commune · CAN
Georgian Bay
Canada
DfbCold, no dry season, warm summer(100 %)
Species observed
2 239
Observations
96 798
Area
597,1km²
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 Georgian Bay : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
40
Interactions affichées
72
Connectance
0.092
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
2 239 distinct species · 96 798 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,5°C
Annual rain
1 051mm
Warmest m°
23,4°C
Coldest m°
-11,2°C
Elevation: 200 m on average (min 166 m, max 253 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,5°C
Annual rain
1 051mm
Warmest month
23,4°C
Coldest month
-11,2°C
Mean alt.
200m
Min
166m
Max
253m
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
5,8
Org. C
55,7g/kg
Clay
21,3%
Sand
47,1%
Silt
31,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Muskoka
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
91,0g/kg
Clay
20,4%
Sand
47,6%
Silt
32,1%
5–15 cm
pH H₂O
5,8
Org. C
51,1g/kg
Clay
22,3%
Sand
46,4%
Silt
31,3%
15–30 cm
pH H₂O
5,9
Org. C
24,9g/kg
Clay
21,3%
Sand
47,5%
Silt
31,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest69.5%
Crops0.2%
Built-up0.1%
Bare soil1.0%
Other (grassland, water…)29.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 50 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
71,1km
Lake surface here
83,59km²
Basins crossed
7
Max stream order
5
Max drainage
13 767km²
Discharge in basins
62,2m³/s
Mean precip.
979mm/an
Mean T°
5,8°C
Moisture idx
0,15
Max snow
39%
Mean runoff
263mm/an
Mean elev. (basins)
210m
Watersheds crossing here
- Bassin de Haggart Creeksub-area1 640,1 km²overlap222.19 km²37%
- Bassin de Severn Riversub-area832,1 km²overlap105.49 km²18%
- Bassin de Sturgeon Riversub-area900,8 km²overlap105.33 km²18%
- Bassin de Gibson Riversub-area201,7 km²overlap78.08 km²13%
- Bassin de Musquash Riversub-area80,6 km²overlap42.74 km²7%
- Bassin de Musquash Riversub-area210,3 km²overlap33.91 km²6%
- Bassin de Rosseau Riversub-area822,1 km²overlap9.38 km²2%
Lakes (50, top by area)
- Huronarea59 399,3 km²avg depth59.8 m
- Gloucester Poolarea15,4 km²avg depth7.0 m
- Six Mile Lakearea13,9 km²avg depth6.7 m
- Blue Lagoonarea6,9 km²avg depth6.9 m
- Tadenac Lakearea2,7 km²avg depth6.3 m
- Gibson Lakearea2,5 km²avg depth5.8 m
- McCrae Lakearea2,3 km²avg depth5.5 m
- Stewart Lakearea1,5 km²avg depth4.2 m
- Roderick Lakearea1,2 km²avg depth3.6 m
41 more lakes
- Tea Lakearea1,1 km²avg depth2.9 m
- Lac 1040288area0,8 km²avg depth2.7 m
- Lac 1042385area0,8 km²avg depth2.8 m
- Lac 1042039area0,8 km²avg depth4.0 m
- Lac 1042700area0,6 km²avg depth2.9 m
- Lac 1040995area0,6 km²avg depth4.3 m
- Lac 1041210area0,6 km²avg depth5.0 m
- Lac 1040359area0,6 km²avg depth2.9 m
- Lac 1040394area0,5 km²avg depth3.6 m
- Lac 1041318area0,5 km²avg depth3.5 m
- Lac 1040917area0,5 km²avg depth3.8 m
- Lac 1040726area0,5 km²avg depth3.9 m
- Lac 1041066area0,4 km²avg depth4.1 m
- Lac 1042222area0,4 km²avg depth4.0 m
- Lac 1041817area0,4 km²avg depth3.0 m
- Lac 1040482area0,4 km²avg depth3.6 m
- Lac 1040408area0,4 km²avg depth3.5 m
- Lac 1040148area0,4 km²avg depth2.8 m
- Lac 1041985area0,4 km²avg depth3.1 m
- Lac 1040727area0,4 km²avg depth3.8 m
- Lac 1040984area0,4 km²avg depth4.0 m
- Lac 1041265area0,4 km²avg depth3.1 m
- Lac 1040374area0,4 km²avg depth3.3 m
- Lac 1040722area0,3 km²avg depth3.6 m
- Lac 1040766area0,3 km²avg depth3.7 m
- Lac 1041039area0,3 km²avg depth4.0 m
- Lac 1041919area0,3 km²avg depth4.1 m
- Lac 1041824area0,3 km²avg depth3.2 m
- Lac 1041586area0,3 km²avg depth2.4 m
- Lac 1040078area0,3 km²avg depth3.1 m
- Lac 1041591area0,3 km²avg depth3.4 m
- Lac 1041010area0,3 km²avg depth2.4 m
- Lac 1041299area0,3 km²avg depth3.9 m
- Lac 1042031area0,3 km²avg depth2.8 m
- Lac 1040224area0,3 km²avg depth2.6 m
- Lac 1040015area0,2 km²avg depth2.7 m
- Lac 1040926area0,2 km²avg depth2.8 m
- Lac 1042123area0,2 km²avg depth3.9 m
- Lac 1042107area0,2 km²avg depth3.0 m
- Lac 1041237area0,2 km²avg depth3.1 m
- Lac 1040414area0,2 km²avg depth2.2 m
Rivers / streams (9, ord ≥ 4)
- Musquash Riverord 5len here26.41 km62%total42 km
- Haggart Creekord 1len here11.15 km49%total23 km
- Gibson Riverord 2len here9.50 km46%total21 km
- Miners Creekord 1len here6.70 km50%total14 km
- Moon Riverord 5len here4.75 km19%total25 km
- Gloucester Passage / Severn Riverord 5len here4.29 km100%total4 km
- Severn Riverord 5len here3.26 km7%total49 km
- Conger Creekord 1len here3.04 km24%total12 km
- Trent-Severn Waterwayord 5len here1.97 km3%total66 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
11,9%
Pesticides
3,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas13
IUCN II · 11IUCN Ia · 2
Cognashene Lake Conservation Reserve
IUCN IIConservation Reserve · 2002
29 km²
Lower Moon River Conservation Reserve
IUCN IIConservation Reserve · 2001
27 km²
McCrae Lake Conservation Reserve
IUCN IIConservation Reserve · 2001
20 km²
Georgian Bay Islands National Park Of Canada
IUCN IINational Park · 1930
13 km²
O'Donnell Point Provincial Park (Nature Reserve Class)
IUCN IaProvincial Park · 1985
9 km²
Complete list13 protected areas
- Severn River Conservation ReserveConservation ReserveIUCN II200399 km²
- Cognashene Lake Conservation ReserveConservation ReserveIUCN II200229 km²
- Lower Moon River Conservation ReserveConservation ReserveIUCN II200127 km²
- McCrae Lake Conservation ReserveConservation ReserveIUCN II200120 km²
- Georgian Bay Islands National Park Of CanadaNational ParkIUCN II193013 km²
- O'Donnell Point Provincial Park (Nature Reserve Class)Provincial ParkIUCN Ia19859 km²
- Moon River Conservation ReserveConservation ReserveIUCN II20064 km²
- Gibson River Provincial Park (Nature Reserve Class)Provincial ParkIUCN Ia19683 km²
- Six Mile Lake Provincial Park (Recreational Class)Provincial ParkIUCN II19582 km²
- Gibson River Conservation ReserveConservation ReserveIUCN II20032 km²
- Moreau's Bay Conservation ReserveConservation ReserveIUCN II20011 km²
- Freeman Township Sugar Maple Forest Conservation ReserveConservation ReserveIUCN II20011 km²
- Cognashene Point Conservation ReserveConservation ReserveIUCN II20010 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN