Severn River Conservation Reserve
IUCN IIConservation Reserve · 2003
99 km²
Commune · CAN
Muskoka Lakes
Canada
DfbCold, no dry season, warm summer(100 %)
Species observed
2 529
Observations
127 973
Area
1 012km²
Ecological tissue
Sample of 35 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 Muskoka Lakes : 25 espèces reliées par 72 interactions GloBI sur 4 types (connectance 12.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
72
Connectance
0.121
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
2 529 distinct species · 127 973 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,9°C
Annual rain
1 081mm
Warmest m°
23,8°C
Coldest m°
-12,7°C
Elevation: 257 m on average (min 208 m, max 333 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,9°C
Annual rain
1 081mm
Warmest month
23,8°C
Coldest month
-12,7°C
Mean alt.
257m
Min
208m
Max
333m
Std. dev.
32m
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
5,6
Org. C
59,2g/kg
Clay
21,3%
Sand
42,2%
Silt
36,5%
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
5,6
Org. C
97,1g/kg
Clay
20,2%
Sand
42,6%
Silt
37,2%
5–15 cm
pH H₂O
5,7
Org. C
56,9g/kg
Clay
21,7%
Sand
41,8%
Silt
36,5%
15–30 cm
pH H₂O
5,7
Org. C
23,5g/kg
Clay
21,9%
Sand
42,2%
Silt
35,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest63.3%
Crops1.2%
Built-up0.2%
Bare soil0.9%
Other (grassland, water…)34.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology8 basins · 50 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
128,7km
Lake surface here
214,04km²
Basins crossed
8
Max stream order
5
Max drainage
13 767km²
Discharge in basins
53,1m³/s
Mean precip.
1 014mm/an
Mean T°
5,3°C
Moisture idx
0,18
Max snow
35%
Mean runoff
279mm/an
Mean elev. (basins)
255m
Watersheds crossing here
- Bassin de Rosseau Riversub-area822,1 km²overlap553.05 km²55%
- Bassin de Muskoka Riversub-area359,3 km²overlap153.88 km²15%
- Bassin de Musquash Riversub-area210,3 km²overlap150.04 km²15%
- Bassin de Gibson Riversub-area201,7 km²overlap92.69 km²9%
- Bassin de Severn Riversub-area832,1 km²overlap28.05 km²3%
- Bassin de Haggart Creeksub-area1 640,1 km²overlap26.22 km²3%
- Bassin de Seguin Riversub-area2 033,8 km²overlap5.74 km²1%
- Bassin de North Branch Muskoka Riversub-area1 586,8 km²overlap2.33 km²0%
Lakes (50, top by area)
- Muskokaarea121,5 km²avg depth20.4 m
- Josepharea120,7 km²avg depth28.1 m
- Skeleton Lakearea20,7 km²avg depth20.3 m
- Three Mile Lakearea8,7 km²avg depth15.5 m
- Lake #09498area3,2 km²avg depth5.2 m
- Nine Mile Lakearea2,4 km²avg depth3.7 m
- Long Lakearea2 km²avg depth5.8 m
- Leonard Lakearea2 km²avg depth5.5 m
- Echo Lakearea1,8 km²avg depth4.8 m
41 more lakes
- Lake #09597area1,6 km²avg depth2.8 m
- Stewart Lakearea1,5 km²avg depth4.2 m
- Clear Lakearea1,5 km²avg depth4.4 m
- Long Lakearea1,3 km²avg depth3.3 m
- Roderick Lakearea1,2 km²avg depth3.6 m
- Brandy Lakearea1,2 km²avg depth4.1 m
- Lake #09716area1,1 km²avg depth45.6 m
- Young Lakearea1,1 km²avg depth9.1 m
- Cassidy Lakearea1,1 km²avg depth3.6 m
- Lac 1041192area1 km²avg depth4.8 m
- Lac 1039854area1 km²avg depth5.1 m
- Lac 1040319area0,9 km²avg depth5.3 m
- Lac 1041829area0,9 km²avg depth4.5 m
- Lac 1042105area0,8 km²avg depth4.1 m
- Lac 1038091area0,8 km²avg depth3.7 m
- Lac 1042039area0,8 km²avg depth4.0 m
- Lac 1041883area0,7 km²avg depth2.9 m
- Lac 1040381area0,7 km²avg depth5.3 m
- Lac 1040682area0,7 km²avg depth3.6 m
- Lac 1040514area0,6 km²avg depth4.0 m
- Lac 1039412area0,6 km²avg depth5.0 m
- Lac 1042336area0,6 km²avg depth3.3 m
- Lac 1040024area0,6 km²avg depth4.7 m
- Lac 1042051area0,6 km²avg depth3.4 m
- Lac 1040310area0,6 km²avg depth5.5 m
- Lac 1041301area0,5 km²avg depth4.1 m
- Lac 1039156area0,5 km²avg depth4.2 m
- Lac 1042302area0,5 km²avg depth4.2 m
- Lac 1042089area0,5 km²avg depth3.6 m
- Lac 1041484area0,4 km²avg depth2.8 m
- Lac 1040760area0,4 km²avg depth3.8 m
- Lac 1040761area0,4 km²avg depth3.6 m
- Lac 1041266area0,4 km²avg depth2.2 m
- Lac 1040374area0,4 km²avg depth3.3 m
- Lac 1040746area0,3 km²avg depth3.8 m
- Lac 1040469area0,3 km²avg depth3.9 m
- Lac 1041748area0,3 km²avg depth3.5 m
- Lac 1039930area0,3 km²avg depth3.6 m
- Lac 1039736area0,3 km²avg depth5.0 m
- Lac 1042358area0,3 km²avg depth4.2 m
- Lac 1039379area0,3 km²avg depth5.2 m
Rivers / streams (12, ord ≥ 4)
- Rosseau Riverord 2len here29.83 km100%total30 km
- Brandy Creekord 3len here20.29 km37%total55 km
- Indian Riverord 4len here13.93 km3%total555 km
- Skeleton Riverord 1len here12.26 km87%total14 km
- Gibson Riverord 2len here11.26 km54%total21 km
- Moon Riverord 5len here9.03 km37%total25 km
- Shaw Creekord 1len here8.18 km100%total8 km
- Severn Riverord 5len here7.38 km15%total49 km
- Haggart Creekord 1len here7.33 km32%total23 km
- Musquash Riverord 5len here6.57 km15%total42 km
- Shadow Riverord 2len here1.34 km9%total15 km
- Muskoka Riverord 5len here1.26 km8%total16 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
17,1%
Pesticides
1,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN II · 6
Torrance Barrens Conservation Reserve
IUCN IIConservation Reserve · 1997
19 km²
Cardwell Township Old Growth Conservation Reserve
IUCN IIConservation Reserve · 2002
10 km²
Hardy Lake Provincial Park (Natural Environment Class)
IUCN IIProvincial Park · 1985
8 km²
Axe Lake Wetland Conservation Reserve
IUCN IIConservation Reserve · 2002
8 km²
Eastern Cardwell Forest Conservation Reserve
IUCN IIConservation Reserve · 2002
6 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN