A threatened species index for Australian birds

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Bayraktarov, Elisa
Ehmke, Glenn
Tulloch, Ayesha IT
Chauvenet, Alienor L
Avery-Gomm, Stephanie
McRae, Louise
Wintle, Brendan A
O'Connor, James
Driessen, Joris
Watmuff, James
Nguyen, Hoang Anh
Garnett, Stephen T
Woinarski, John
Barnes, Megan
et al.
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2020
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Abstract

Quantifying species population trends is crucial for monitoring progress towards global conservation targets, justifying investments, planning targeted responses and raising awareness about threatened species. Many global indicators are slow in response and report on common species, not on those at greatest risk of extinction. Here we develop a Threatened Species Index as a dynamic tool for tracking annual changes in Australia's imperiled birds. Based on the Living Planet Index method and containing more than 17,000 time series for 65 bird taxa surveyed systematically, the index at its second iteration shows an average reduction of 59% between 1985 and 2016, and 44% between 2000 and 2016. Decreases seem most severe for shorebirds and terrestrial birds and least severe for seabirds. The index provides a potential means for measuring performance against the Convention on Biological Diversity's Aichi Target 12, enabling governments, agencies and the public to observe changes in threatened species.

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Conservation Science and Practice

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© 2020 The Authors. Conservation Science and Practice published by Wiley Periodicals LLC on behalf of Society for Conservation Biology. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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This publication has been entered as an advanced online version in Griffith Research Online.

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Environmental sciences

Conservation and biodiversity

Terrestrial ecology

Science & Technology

Life Sciences & Biomedicine

Biodiversity Conservation

GLOBAL BIODIVERSITY INDICATORS

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Bayraktarov, E; Ehmke, G; Tulloch, AIT; Chauvenet, AL; Avery-Gomm, S; McRae, L; Wintle, BA; O'Connor, J; Driessen, J; Watmuff, J; Nguyen, HA; Garnett, ST; Woinarski, J; Barnes, M; et al., A threatened species index for Australian birds, Conservation Science and Practice, 2020

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