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Auteur David Fletcher |
Documents disponibles écrits par cet auteur (6)
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Article
Peter W. Dillingham, Auteur ; Graeme P. Elliott, Auteur ; Kath J. Walker, Auteur ; David Fletcher, AuteurThe age at first breeding is an important demographic parameter in determining maximum growth rate, population size and generation time and is a key parameter in calculating the potential biological removal of birds. Albatrosses and petrels do n[...]![]()
Article
Michael J. Conroy, Auteur ; Richard J. Barker, Auteur ; Peter W. Dillingham, Auteur ; David Fletcher, Auteur ; Andrew M. Gormley, Auteur ; Ian M. Westbrooke, AuteurDecision theory provides an organised approach to decision making in natural resource conservation. The theory requires clearly stated objectives, decision alternatives and decision-outcome utilities, and thus allows for the separation of values[...]![]()
Article
Sam McKechnie, Auteur ; Corey Bragg, Auteur ; Jamie Newman, Auteur ; Darren Scott, Auteur ; David Fletcher, Auteur ; Henrik Moller, AuteurRecent declines of many seabird populations have placed increased emphasis on determining the status of potentially threatened species. However, the burrow-nesting habits and inter-annual fluctuation in breeding numbers of some species make tren[...]![]()
Article
Jamie Newman, Auteur ; David Fletcher, Auteur ; Henrik Moller, Auteur ; Corey Bragg, Auteur ; Darren Scott, Auteur ; Sam McKechnie, AuteurMonitoring of breeding success in burrow-nesting seabirds is problematic, owing to the difficulties of detecting occupants in complex burrow systems. We summarise 6 years of monitoring the breeding success of sooty shearwater (titi, muttonbird, [...]![]()
Article
Peter W. Dillingham, Auteur ; David Fletcher, AuteurMany bird species are subject to human-caused mortality, either through direct harvest (e.g. game birds) or through incidental mortalities (e.g. fisheries-related bycatch of seabirds, impact with vehicles, wind turbines, or power lines). In orde[...]![]()
Article
Peter W. Dillingham, Auteur ; David Fletcher, AuteurSeabirds such as albatrosses and petrels are frequently caught in longline and trawl fisheries, but limited demographic data for many species creates management challenges. A method for estimating the potential biological removal (the PBR method[...]



