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Documents disponibles écrits par cet auteur (15)
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Article
Dejan Stojanovic, Auteur ; Joanne Potts, Auteur ; Shannon Troy, Auteur ; Peter Menkhorst, Auteur ; Richard Loyn, Auteur ; Robert Heinsohn, AuteurNot all conservation interventions are successful at correcting threatening processes and the odds of failure increase with uncertainty concerning the true threats to a population. Failure of conservation actions to improve demographic rates mig[...]
Article
Paul Igag, Auteur ; Andrew L. Mack, Auteur ; Sarah Legge, Auteur ; Robert Heinsohn, AuteurIn New Guinea Palm Cockatoos, Pesquet’s Parrots and Eclectus Parrots are potentially threatened by deforestation and hunting. In a 28-month study, we found 51 Palm Cockatoo, 34 Pesquet’s Parrot and 71 Eclectus Parrot nests. Eclectus Parrots used[...]
Article
Leo Joseph, Auteur ; Robert Heinsohn, Auteur ; Andrew Mack, Auteur
Article
Ross Crates, Auteur ; Laura Rayner, Auteur ; Dejan Stojanovic, Auteur ; Matthew Webb, Auteur ; Aleks Terauds, Auteur ; Robert Heinsohn, AuteurIdentifying factors influencing the demographics of threatened species is essential for conservation, but a lack of comprehensive demographic data often impedes the effective conservation of rare and mobile species. We monitored breeding of crit[...]
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Dejan Stojanovic, Auteur ; Fernanda Alves, Auteur ; Henry Cook, Auteur ; Ross Crates, Auteur ; Robert Heinsohn, Auteur ; Andrew Peters, Auteur ; Laura Rayner, Auteur ; Shannon N. Troy, Auteur ; Matthew H. Webb, AuteurOnly three wild-bred female Orange-bellied Parrots returned from migration in the 2016/17 breeding season, representing the lowest point of a long-term decline. In this context of imminent extinction risk we (i) update knowledge of population pa[...]
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Robert Heinsohn, Auteur ; Katherine L. Buchanan, Auteur ; Leo Joseph, Auteur
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George Olah, Auteur ; Jörn Theuerkauf, Auteur ; Andrew Legault, Auteur ; Roman Gula, Auteur ; John Stein, Auteur ; Stuart Butchart, Auteur ; Mark O’Brien, Auteur ; Robert Heinsohn, AuteurAustralia, New Zealand, New Guinea, Wallacea, and the islands of the Pacific Ocean collectively possess 42% of the world’s parrot species, including half of all Critically Endangered species. We used comparative methods to review the factors rel[...]
Article
Dejan Stojanovic, Auteur ; Laura Rayner, Auteur ; Matthew Webb, Auteur ; Robert Heinsohn, AuteurPopulation limitation is the outcome of cumulative and synergistic processes that act on species over multiple spatial scales. Tree cavity dependent animals are good case studies for exploring processes that potentially limit populations across [...]
Article
Ross Crates, Auteur ; Laura Rayner, Auteur ; Dejan Stojanovic, Auteur ; Matthew Webb, Auteur ; Robert Heinsohn, AuteurAllee effects occur when survival or reproductive success declines with decreasing population size or density. Species most severely impacted by Allee effects may be the very species for which these effects will be hardest to detect and overcome[...]
Article
Debra L. Saunders, Auteur ; Ross Cunningham, Auteur ; Jeff Wood, Auteur ; Robert Heinsohn, AuteurMigratory birds spend a large proportion of their lives within non-breeding habitats. However, knowledge of how they respond to variable winter resources is limited, especially for small migratory species. Citizen science programs provide an eff[...]
Article
Matthew H. Webb, Auteur ; Mark Holdsworth, Auteur ; Dejan Stojanovic, Auteur ; Aleks Terauds, Auteur ; Phil Bell, Auteur ; Robert Heinsohn, AuteurFor small and rapidly declining populations acting fast to prevent extinction is crucial. However, many endangered species receive little attention or management action. Action paralysis can prevail for several reasons, particularly for data def[...]
Article
Matthew H. Webb, Auteur ; Simon Wotherspoon, Auteur ; Dejan Stojanovic, Auteur ; Robert Heinsohn, Auteur ; Ross Cunningham, Auteur ; Phil Bell, Auteur ; Aleks Terauds, AuteurOccupancy modelling using data collected by repeatedly sampling sites is a common approach utilised by land managers to understand species distributions and trends. Two important factors that can complicate interpretation of these models are imp[...]
Article
Kirandeep K. Dhami, Auteur ; Leo Joseph, Auteur ; David A. Roshier, Auteur ; Robert Heinsohn, Auteur ; Jeffrey L. Peters, AuteurBiogeographic barriers potentially restrict gene flow but variation in dispersal or vagility can influence the effectiveness of these barriers among different species and produce characteristic patterns of population genetic structure. The objec[...]
Article
Robert Heinsohn, Auteur ; Matthew Webb, Auteur ; Robert Lacy, Auteur ; Aleks Terauds, Auteur ; Rachael Alderman, Auteur ; Dejan Stojanovic, AuteurIdentifying the impact of introduced predators on endangered prey populations is critical for conservation management. Population viability analysis (PVA) becomes a valuable tool for quantifying such impacts when high quality life history data a[...]
Article
Leo Joseph, Auteur ; Gregory J. Adcock, Auteur ; Celeste Linde, Auteur ; Kevin E. Omland, Auteur ; Robert Heinsohn, Auteur ; R. Terry Chesser, Auteur ; David Roshier, AuteurTwo Australian species of teal (Anseriformes: Anatidae: Anas), the grey teal Anas gracilis and the chestnut teal A. castanea, are remarkable for the zero or near-zero divergence recorded between them in earlier surveys of mitochondrial DNA (mtDN[...]
