Greater Toronto Bioregion

{{Short description|Ecosystem of the greater Toronto area}}

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The Greater Toronto Bioregion represents a unique ecosystem that co-exists with the urban sprawl of the Greater Toronto Area.{{cite book |title=Shoreline regeneration for the greater Toronto bioregion |year=1991 |publisher=Minister of Supply and Services (Canada) |isbn=978-0-662-18981-7 }} It is also part of the Oak Ridges Moraine system.