Abstract
IN view of public disquiet over the possible deterioration of some of our rivers and coastal waters, including the Severn estuary, it is encouraging to find some evidence, although indirect, that as far as the populations of migratory lampreys are concerned, conditions in the area of the Bristol Channel appear to be at least as favourable for their survival and growth as was the case ten years ago.
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References
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HARDISTY, M., HUGGINS, R. Lamprey Growth and Biological Conditions in the Bristol Channel Region. Nature 243, 229–231 (1973). https://doi.org/10.1038/243229a0
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DOI: https://doi.org/10.1038/243229a0
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