Summer Foraging Activity and Movements of Radio-Tagged Common Seals (Phoca vitulina. L.) in the Moray Firth, Scotland

(1) VHF telemetry was used to study summer foraging patterns and movements of three adult common seals (Phoca vitulina L.) in the Moray Firth, Scotland. (2) Seals travelled up to 45 km from their haul-out sites on feeding trips of up to 6 days. Trip duration and foraging range were significantly cor...

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Veröffentlicht in:The Journal of applied ecology 1990-08, Vol.27 (2), p.492-501
Hauptverfasser: Thompson, Paul M., Miller, David
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container_title The Journal of applied ecology
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creator Thompson, Paul M.
Miller, David
description (1) VHF telemetry was used to study summer foraging patterns and movements of three adult common seals (Phoca vitulina L.) in the Moray Firth, Scotland. (2) Seals travelled up to 45 km from their haul-out sites on feeding trips of up to 6 days. Trip duration and foraging range were significantly correlated for all seals, although the precise form of this relationship differed between individuals. (3) Harmonic mean analyses showed that at-sea locations were often clumped. Two individuals returned regularly to particular feeding areas, apparently associated with habitats such as rocky reefs and offshore sandbanks. Spatial and temporal variations in the distribution of seals are discussed in relation to their breeding activity and to changes in food availability.
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source JSTOR; Periodicals Index Online
subjects Animal and plant ecology
Animal, plant and microbial ecology
Animals
Autoecology
Biological and medical sciences
Breeding
Commuting
Fisheries science
Foraging
Fundamental and applied biological sciences. Psychology
Harmonic mean
Mammalia
Marine
Mating behavior
Phoca vitulina
Seals
Seas
Telemetry
Vertebrata
Zoology
title Summer Foraging Activity and Movements of Radio-Tagged Common Seals (Phoca vitulina. L.) in the Moray Firth, Scotland
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