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What do salmon-and their sex lives-have to do with keeping a forest healthy? Bertie explains that salmon equal more than just meal time for coastal predators roaming the shores and tidal shelves; they're also a rich source of marine nutrients for the soil on Vancouver Island and an integral player in the island's ecosystem, all thanks to their mating cycles . The unique relationship between the land and the water is the focus of Bertie's fascination with this wild place.