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Documents disponibles écrits par cet auteur (7)
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Article
Emma M. Williams, Auteur ; Doug P. Armstrong, Auteur ; Colin F. J. O'Donnell, AuteurMonitoring the abundance of cryptic species inevitably relies on the use of index methods. Unfortunately, detectability is often confounded by unidentified covariates. One such species is the critically endangered Australasian Bittern Botaurus p[...]
Article
Stefano Canessa, Auteur ; Gurutzeta Guillera-Arroita, Auteur ; Jose J. Lahoz-Monfort, Auteur ; Darren M. Southwell, Auteur ; Doug P. Armstrong, Auteur ; Iadine Chadès, Auteur ; Robert C. Lacy, Auteur ; Sarah J. Converse, AuteurConservation of endangered species increasingly envisages complex strategies that integrate captive and wild management actions. Management decisions in this context must be made in the face of uncertainty, often with limited capacity to collect[...]
Article
John G. Ewen, Auteur ; Rose Thorogood, Auteur ; Doug P. Armstrong, AuteurP>1. Male-biased adult sex ratios are frequently observed in free-ranging populations and are known to cause changes in mating behaviours including increased male harassment of females, which can cause injury to females and/or alter female behav[...]
Article
Rebecca L. Boulton, Auteur ; Yvan Richard, Auteur ; Doug P. Armstrong, AuteurThe decline of avian populations in fragmented landscapes is often attributed to a decrease in nest survival rates for species breeding within these habitats. We tested whether fragment size and connectivity, livestock grazing, predator density [...]
Article
Kate Richardson, Auteur ; Isabel C. Castro, Auteur ; Dianne H. Brunton, Auteur ; Doug P. Armstrong, AuteurReintroduction success depends in part on the release strategy used. Benefits are attributed to particular release strategies but few studies have tested these assumptions. We examined the effect of delayed release (a form of so-called soft rele[...]
Article
Elizabeth H. Parlato, Auteur ; Doug P. Armstrong, AuteurFor any reintroduction it is important to maximise the probability of released individuals establishing in the target area (settling and surviving to breed). Factors influencing establishment have typically been studied at single sites, making i[...]
Article
Doug P. Armstrong, Auteur ; Nikki McArthur, Auteur ; Susanne Govella, Auteur ; Kate Morgan, Auteur ; Rachel Johnston, Auteur ; Nic Gorman, Auteur ; Rhonda Pike, Auteur ; Yvan Richard, AuteurDispersal from release areas is a critical problem for reintroductions. Reliable methods are therefore needed for analysing post-release monitoring data to guide further releases. Radio tracking can greatly improve data quality by distinguishing[...]
