Set-Back Distances to Protect Nesting and Roosting Seabirds Off Vancouver Island from Boat Disturbance

作者: Trudy A. Chatwin , Ruth Joy , Alan E. Burger

DOI: 10.1675/063.036.0108

关键词: Larus glaucescensCepphus columbaWildlife managementFisheryPelagic zoneWildlifeDisturbance (geology)BiologyNesting (process)Wildlife conservation

摘要: Abstract. Recreational boat traffic is increasing worldwide and there a need for scientifically based regulations that sustain both seabirds wildlife viewing. The effects of disturbance to off Vancouver Island, Canada were quantified by testing distances roosting or nesting birds showed an agitation response approaching motorboat kayak. species sensitivity, vessel type, habituation season on distance examined. At 40 m from boats, Double-crested (Phalacrocorax auritus) Pelagic (P. pelagicus) cormorants, Black Oystercatchers (Haematopus bachmani), Glaucous-winged Gulls (Larus glaucescens), Pigeon Guillemots (Cepphus columba) had less than 6% probability being agitated with either kayak motorboat, while at 50 was 2% agitation. Roosting larger birds. Harlequin Ducks (Histrionicus histrionicus) particularly sensitive ...

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