Is It Benign or Is It a Pariah? Empirical Evidence for the Impact of the Common Myna (Acridotheres tristis) on Australian Birds

Kate Grarock; Christopher R. Tidemann; Jeffrey Wood; David B. Lindenmayer

doi:10.1371/journal.pone.0040622

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Peer-reviewed

Research Article

Is It Benign or Is It a Pariah? Empirical Evidence for the Impact of the Common Myna (Acridotheres tristis) on Australian Birds

Kate Grarock ,

* E-mail: kate.grarock@gmail.com.au

Affiliations Fenner School of Environment and Society (College of Medicine, Biology and Environment), The Australian National University, Canberra, Australian Capital Territory, Australia, Invasive Animals Cooperative Research Centre, University of Canberra, Australian Capital Territory, Australia
⨯
Christopher R. Tidemann,

Affiliation Fenner School of Environment and Society (College of Medicine, Biology and Environment), The Australian National University, Canberra, Australian Capital Territory, Australia
⨯
Jeffrey Wood,

Affiliation Fenner School of Environment and Society (College of Medicine, Biology and Environment), The Australian National University, Canberra, Australian Capital Territory, Australia
⨯
David B. Lindenmayer

Affiliations Fenner School of Environment and Society (College of Medicine, Biology and Environment), The Australian National University, Canberra, Australian Capital Territory, Australia, Invasive Animals Cooperative Research Centre, University of Canberra, Australian Capital Territory, Australia
⨯

Is It Benign or Is It a Pariah? Empirical Evidence for the Impact of the Common Myna (Acridotheres tristis) on Australian Birds

Kate Grarock,
Christopher R. Tidemann,
Jeffrey Wood,
David B. Lindenmayer

Published: July 11, 2012
https://doi.org/10.1371/journal.pone.0040622

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puzzling variable choice

Posted by andrewt on 15 Aug 2012 at 23:29 GMT

years after Common Myna establishment
http://plosone.org/article/info:doi/10.1371/journal.pone.0040622#article1.body1.sec2.sec4.p1

The choice of this variable is extremely puzzling as a time-series estimating myna density are presented and the effects posited for mynas are likely density-dependent. The linear increase of this variable would appear to correlate poorly with the myna density time series which appear to follow roughly an inverted parabola.

No competing interests declared.

RE: puzzling variable choice

KateRock replied to andrewt on 30 Oct 2012 at 09:17 GMT

We used the variable of years before and years after myna as we wanted to be able to undertake a ‘before and after’ comparison. Specifically we wanted to see if bird populations changed significantly after the arrival of the Common Myna.

Competing interests declared: Author

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Is It Benign or Is It a Pariah? Empirical Evidence for the Impact of the Common Myna (Acridotheres tristis) on Australian Birds

Is It Benign or Is It a Pariah? Empirical Evidence for the Impact of the Common Myna (Acridotheres tristis) on Australian Birds

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puzzling variable choice

Posted by andrewt on 15 Aug 2012 at 23:29 GMT

RE: puzzling variable choice

KateRock replied to andrewt on 30 Oct 2012 at 09:17 GMT