Rivière· 11 segments
East River St. Marys
Crosses 2 administrative regions : Guysborough, Pictou
Total length
30km
Max discharge
17,1m³/s
Max Strahler
4
Segments matched
11
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- GuysboroughNova Scotia · Canada18.5 kmin this dpt
- PictouNova Scotia · Canada6.0 kmin this dpt
19 intersecting protected areas
St. Marys River Crows Nest Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
St. Marys River - Crows Nest Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
St. Marys River East Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
St. Marys River - Harrisons Pool Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
St. Marys River East Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
A.M. Sandy Cameron Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
West River Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
St. Marys River - Harrisons Pool Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
Archibald Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
10 more protected areassorted by area
St. Marys River East Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
Nature Reserve
A.M. Sandy Cameron Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
A.M. Sandy Cameron Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
St. Marys River - West River Run Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
St. Marys River - Harrisons Pool Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
St. Marys River East Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
A.M. Sandy Cameron Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
St. Marys River - Harrisons Pool Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
A.M. Sandy Cameron Conservation Lands
IUCN Not ReportedOwnership by Environmental Non-Governmental Organization
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
136 distinct species · 510 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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).
Indicateurs du tissu écologique
Tissu écologique de East River St. Marys : 37 espèces reliées par 95 interactions GloBI sur 5 types (connectance 8.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
30km
Max discharge
17,1m³/s
Max Strahler
4
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.