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Records of Brook Lampreys Lampetra planeri (Bloch) in the Silvermines Area, Co Tipperary

✍ Scribed by Juliet McCarthy and John Breen


Book ID
124209839
Publisher
Irish Naturalists Journal Ltd.
Year
2005
Weight
296 KB
Volume
28
Category
Article
ISSN
0021-1311

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Habitat selection of larval brook lampre
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The burrowing larvae of the brook lamprey Lampetra planeri (Bloch) were shown by discriminant analysis to inhabit stream sites having certain qualities. Although a few larvae occurred in far-from-optimal habitats, most larvae selected those with low current velocity, low water depth, a low number of

Enzyme variation in the brook lamprey, L
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A natural population of the brook lamprey, Lampetra planeri, was assayed for electrophoretically detectable variation at 30 enzyme loci. The mean heterozygosity per locus of this primitive vertebrate, a member of the Agnatha, was found to be 0.076 & 0.031, a value similar to those recorded for other

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Genetic evidence for a trimeric structure for purine nucleoside phosphorylase in the brook lamprey is presented. This enzyme is encoded by a single locus with two alleles segregating at frequencies of 0.98 and 0.02 in a Welsh population. It is suggested that this enzyme is likely to be a trimer in a