United Kingdom: Healthy Thames ‘attracts salmon’

BBC: Salmon in the Thames are more likely to be fish that have "strayed" from nearby rivers rather than a result of a multi-million pound restocking effort. Researchers collected genetic data from returning fish, which suggested that habitat restoration was more effective than species re-introductions. Lessons from this study, the team said, could be applied to rivers that the fish had disappeared from. The findings will be published in the journal Bological Conservation. "Traditionally, people -......

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