When morphology and molecular markers conflict : a case history of subterranean amphipods from the Pilbara, Western Australia

Terrie Finston, J.H. Bradbury, Michael Johnson, Brenton Knott

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

Fifteen species of groundwater amphipods in the genus Chydaekata have been described from the Pilbara, Western Australia, each restricted to a single bore. Dewatering at a local mine site was halted while a second survey was undertaken. Newly collected samples were identified using the existing key, and allozyme analysis was used to test species boundaries. Allozymic diversity was not associated with single bores, and only two distinctgenetic groups (one of which was very rare), were identified. Based on these results, and the finding that species were found to be more widespread, the Western Australian Environmental Protection Authority recommended that dewatering continue with caution at the site. This study provides an example of the problems associated with incongruent data sets, and the difficulties inherent in working with rare species, namely, interpreting the results of studies based on small samples or incomplete collections.
Original languageEnglish
Pages (from-to)83-94
JournalAnimal Biodiversity and Conservation
Volume27
Issue number2
Publication statusPublished - 2004

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