Data from: Persistent organic pollution in a high-Arctic top predator: sex-dependent thresholds in adult survival

Kjell Einar Erikstad, Hanno Sandvik, Tone Kristin Reiertsen, Jan Ove Bustnes, Hallvard Strøm & H. Strom
In long-lived species, any negative effect of pollution on adult survival may pose serious hazards to breeding populations. In the present study we measured concentrations of various organochlorines (OCs: PCB and organochlorine pesticides) in the blood of a large number of adult glaucous gulls (Larus hyperboreus) breeding on Bjørnøya (Bear Island) in the Norwegian Arctic, and modelled their local survival using capture–recapture analysis. Survival was negatively associated with concentrations of OCs in the blood. The...
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