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Assessing programs for monitoring threatened species – a tale of three honeyeaters (Meliphagidae)

journal contribution
posted on 2003-01-01, 00:00 authored by Rohan Clarke, D Oliver, R Boulton, P Cassey, M Clarke
We critically evaluated population-monitoring programs for three endangered species of Australian honeyeater: the helmeted honeyeater, Lichenostomus melanops cassidix, the black-eared miner, Manorina melanotis, and the regent honeyeater, Xanthomyza phrygia (Meliphagidae). Our results challenge the common assumption that meaningful monitoring is possible in all species within the five-year lifetime of recovery plans. We found that the precision achievable from monitoring programs not only depends on the monitoring technique applied but also on the species' biology. Relevant life-history attributes include a species' pattern of movement, its home-range size and its distribution. How well understood and predictable these attributes are will also influence monitoring precision. Our results highlight the large degree of variability in precision among monitoring programs and the value of applying power analysis before continuing longer-term studies. They also suggest that managers and funding agencies should be mindful that more easily monitored species should not receive preferential treatment over species that prove more difficult to monitor.

History

Journal

Wildlife research

Volume

30

Issue

5

Pagination

427 - 435

Publisher

CSIRO Publishing

Location

Collingwood, Vic.

ISSN

1035-3712

eISSN

1448-5494

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

2003, CSIRO

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