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Report: Squamish Estuary Fish Passage Improvement Project COA-F23-F-3643
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The Central Estuary Restoration Project is the culmination of over forty years of planning and development between Squamish Nation, Fisheries and Oceans Canada, the provincial government, and the Squamish River Watershed Society to restore salmon habitat and tidal connectivity between the Squamish River and the central estuary.
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Author: Edith Tobe
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Old Reference Number: COA-F23-F-3643
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Old Reference System: FWCP - Fish Wildlife Compensation Program Coastal
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Date Published: Nov 2022
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Report ID: 60064
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Audience: Government and Public
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In the early 1970s a Training Berm road was constructed from the Mamquam River down to Howe Sound in order
to confine the Squamish River to allow the construction of a deep sea coal port in the estuary.
The 5 km road was completed in 1972. At the same time regulatory agencies back in the day determined the Squamish estuary was not a good location for a coal port and then spent the ensuing years studying the biological diversity within the estuary. In the early 2000s DFO, and then the SRWS, embarked on installing nine culvert crossings across the Training Berm to re-establish tidal/river exchange. In addition to this work, in early
2001 the SRWS secured funding through the former Bridge Coastal Restoration Program (File #01LM18) to remove the 15-hectare dredge spoils site associated with the construction of the Training Berm/Coal Port and construct salmon habitat and tidal channels throughout the site.
The ensuing years resulted in numerous projects that were supported by Squamish Nation and government agencies to restore salmon habitat throughout the estuary. Studies and ongoing research over the decades allowed for greater insights into the effectiveness of these restoration efforts and whether juvenile salmonids were able to access the estuary form the river and the benefits to salmon stocks and increased biodiversity. The results were observations that salmon were not able to move across the nine culvert openings which likely resulted in undue mortality in the outmigrating juvenile Chinook salmon.
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Report Type
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Fish and Aquatic Habitat Information |
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Subject
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Fish Species - Chinook Salmon - Oncorhynchus tshawytscha |
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Region - Lower Mainland |
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Fish and Fish Habitat - Restoration |
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