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Synopsis We tested the hypothesis that anadromous salmonids are guided on their homeward migration by population-specific pheromones.
Our findings do not support the hypothesis. Wild migrant Arctic charr,Salvelinus alpinus, from Ikarut River, Labrador were transferred and held in a tributary previously uninhabited by anadromous fish. None of
the charr migrating up Ikarut River entered the tributary after fish were transferred. Similarly, migrant charr, which were
caught in Ikarut River and released in the tributary below the captive fish, did not remain in the tributary. We re-evaluated
the data which have been used to uphold the concept of pheromone attraction in salmonid migration and concluded that support
for the hypothesis is unsubstantiated. 相似文献
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