Patterns of recovery in extant and extirpated seabirds after the world's largest multipredator eradication

© 2024 The Authors. Conservation Biology published by Wiley Periodicals LLC on behalf of Society for Conservation Biology.

Bibliographische Detailangaben
Veröffentlicht in:Conservation biology : the journal of the Society for Conservation Biology. - 1999. - 38(2024), 4 vom: 11. Juli, Seite e14239
1. Verfasser: Bird, Jeremy P (VerfasserIn)
Weitere Verfasser: Fuller, Richard A, Shaw, Justine D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Conservation biology : the journal of the Society for Conservation Biology
Schlagworte:Journal Article Procellariiformes colony formation filopatría formación de colonias immigration inmigración island restoration philopatry restauración de islas mehr... 岛屿恢复 归巢 迁入 鸟群 鹱形目
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520 |a Eradicating invasive predators from islands can result in substantial recovery of seabirds, but the mechanisms that drive population changes remain poorly understood. Meta-analyses have recently revealed that immigration is surprisingly important to the recovery of philopatric seabirds, but it is not known whether dispersal and philopatry interact predictably to determine rates of population growth and changes of distribution. We used whole-island surveys and long-term monitoring plots to study the abundance, distribution, and trends of 4 burrowing seabird species on Macquarie Island, Australia, to examine the legacy impacts of invasive species and ongoing responses to the world's largest eradication of multiple species of vertebrates. Wekas (Gallirallus australis) were eradicated in 1988; cats (Felis catus) in 2001; and rabbits (Oryctolagus cuniculus), black rats (Rattus rattus), and mice (Mus mus) in 2011-2014. We compared surveys from 1976-1979 and 2017-2018 and monitoring from the 1990s and 2000s onward. Antarctic prions (Pachyptila desolata) and white-headed petrels (Pterodroma lessonii) increased ∼1% per year. Blue petrels (Halobaena caerulea) and gray petrels (Procellaria cinerea) recolonized following extirpation from the main island in the 1900s but remained spatially and numerically rare in 2018. However, they increased rapidly at 14% and 10% per year, respectively, since cat eradication in 2001. Blue and gray petrel recolonization occurred on steep, dry, west-facing slopes close to ridgelines at low elevation (i.e., high-quality petrel habitat). They overlapped <5% with the distribution of Antarctic prion and white-headed petrels which occurred in suboptimal shallow, wet, east-facing slopes at high elevation. We inferred that the speed of population growth of recolonizing species was related to their numerically smaller starting size compared with the established species and was driven by immigration and selection of ideal habitat 
650 4 |a Journal Article 
650 4 |a Procellariiformes 
650 4 |a colony formation 
650 4 |a filopatría 
650 4 |a formación de colonias 
650 4 |a immigration 
650 4 |a inmigración 
650 4 |a island restoration 
650 4 |a philopatry 
650 4 |a restauración de islas 
650 4 |a 岛屿恢复 
650 4 |a 归巢 
650 4 |a 迁入 
650 4 |a 鸟群 
650 4 |a 鹱形目 
700 1 |a Fuller, Richard A  |e verfasserin  |4 aut 
700 1 |a Shaw, Justine D  |e verfasserin  |4 aut 
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