Proposed Abstract Title

Restoration of a degraded urban estuary: The MacKay Creek estuary project

Presenter/Author Information

Ken I. Ashley Dr., BCITFollow

Type of Presentation

Oral

Session Title

Marine Ecosystem Restoration in the Urban Environment

Location

2016SSEC

Description

MacKay Creek estuary

Over the last century the Mackay Creek estuary was highly modified by industrial activity and infrastructure development on the North Vancouver waterfront. It's historical area was reduced by >90% by infilling to create industrial land, and the remaining estuary habitat had become simplified with minimal estuarine vegetation, no large woody debris and a low head dam which prevented upstream salmonid migration during medium to low tides which exposed adult salmonids to increased marine mammal predation. A large non-regulatory habitat restoration project was initiated in 2013-2014 which involved re-creating estuary edge habitat, removing the low head dam, extensive placement of large woody debris and planting with native tidal and riparian vegetation, and conducting non-native Canada geese control programs. This was the first estuary restoration project completed under the HCTF Burrard Inlet Restoration Pilot Program, and provided valuable lessons for future estuary restoration projects within Burrard Inlet and other urban settings.

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Restoration of a degraded urban estuary: The MacKay Creek estuary project

2016SSEC

MacKay Creek estuary

Over the last century the Mackay Creek estuary was highly modified by industrial activity and infrastructure development on the North Vancouver waterfront. It's historical area was reduced by >90% by infilling to create industrial land, and the remaining estuary habitat had become simplified with minimal estuarine vegetation, no large woody debris and a low head dam which prevented upstream salmonid migration during medium to low tides which exposed adult salmonids to increased marine mammal predation. A large non-regulatory habitat restoration project was initiated in 2013-2014 which involved re-creating estuary edge habitat, removing the low head dam, extensive placement of large woody debris and planting with native tidal and riparian vegetation, and conducting non-native Canada geese control programs. This was the first estuary restoration project completed under the HCTF Burrard Inlet Restoration Pilot Program, and provided valuable lessons for future estuary restoration projects within Burrard Inlet and other urban settings.