New research prompts call for urgent protection of BC’s glass sponge reefs
26 Jun 2020

New research prompts call for urgent protection of BC’s glass sponge reefs

A new study led by Angela Stevenson at the University of British Columbia indicates that ongoing climate change is a serious and immediate threat to BC’s ancient glass sponge reefs.

26 Jun 2020

A new study led by Angela Stevenson at the University of British Columbia indicates that ongoing climate change is a serious and immediate threat to BC’s ancient glass sponge reefs. The Canadian Parks and Wilderness Society – British Columbia (CPAWS-BC) calls for the urgent establishment of marine protected areas (MPAs) for glass sponge reefs in BC.

Glass sponge reef ecosystems shelter rockfish and prawns and are efficient filter feeders. Healthy glass sponge reef marine protected areas can filter out up to 90% of bacteria from ocean water and work to keep carbon locked in the seafloor.

Fisheries and Oceans Canada (DFO), along with the Marine Life Sanctuaries Society (MLSS), recently verified five new living glass sponge reefs and one dead reef during scientific surveys in Howe Sound. These reefs need urgent protection if they are to adapt and survive against threats from climate change and human activity.

“Marine protected areas will not only protect glass sponge reefs from physical damage caused by bottom-contact fishing, they will also act as natural climate solutions,” says Ross Jameson, Ocean Conservation Manager for CPAWS-BC. MPAs offer long term protection, prevent further damage and absorb carbon to help beat back climate change.

For two decades, CPAWS-BC has worked to establish stronger protection for BC’s known glass sponge reefs. In 2017, Hecate Strait/Queen Charlotte Sound Glass Sponge Reefs Marine Protected Area protected over 2000 km2 of glass sponge reefs off BC’s north and central coast. 17 fisheries closures protect reefs in Howe Sound and the Strait of Georgia. Unprotected glass sponge reefs in Howe Sound and Chatham Sound need urgent attention.

This new study underscores the pressure glass sponges face to adapt quickly to survive in a changing ocean. Protecting these unique biological treasures will not only safeguard economically important marine life, but also ensure the reefs can remain a source of awe and wonder for generations to come.

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