There are over 15 kilometres of rock walls with more than 15 hectares of specially-built clam habitat in Quadra Island’s Kanish and Waiatt bays.
First Nations built and maintained shellfish gardens on Quadra Island beginning at least 3,500 years ago, according to a newly published study.The age and sophistication of this technology for shellfish cultivation is evidence of Indigenous management systems that long predate contact with Europeans, said SFU archeologist Dana Lepofsky, a co-author.The gardens improve the productivity of natural clam beaches and in many places create shellfish habitat where none had existed.
Dana Lepofsky / PNG Though they are difficult to detect with an untrained eye, shellfish management systems are common to West Coast beaches from Washington State to Alaska.There are over 15 kilometres of rock walls with more than 15 hectares of clam habitat in Quadra Island’s Kanish and Waiatt bays, among the highest density of clam gardens on the coast, according to the paper published in the open-access journal PLOS ONE.
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