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Issue 3, 1999
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Imposex measurement in the dogwhelk Nucella lapillus (L.)-temporal aspects of specimen preparation

Abstract

The measurement of the Relative Penis Size Index (RPSI) in the dogwhelk Nucella lapillus (L.) depends upon reliable observations of the length of the penis (PL). Following removal of soft tissue from the shell, PL increases with time leading to a progressively greater over-estimation of the RPSI. The error is proportionally greater at low RPSI values. To retain comparability with previous data, it is suggested that dogwhelks should be examined as soon as possible after shell crushing.

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Article type: Paper
DOI: 10.1039/A902836F
Citation: J. Environ. Monit., 1999,1, 239-241
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    Imposex measurement in the dogwhelk Nucella lapillus (L.)-temporal aspects of specimen preparation

    A. Minchin and I. M. Davies, J. Environ. Monit., 1999, 1, 239
    DOI: 10.1039/A902836F

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