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Acute impacts of biologging devices on the diving behaviour of Manx shearwaters
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Animal Biotelemetryvolume 13, Article number: 5 () Cite this article
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Abstract
Biologging studies rely on the assumption that equipped animal behaviours are representative of the ones displayed by unequipped individuals. Identifying any tagging effects is therefore necessary to correctly interpret recorded data from equipped animals. The majority of seabird studies report an absence of tag effects using broad metrics such as breeding success or foraging trip duration. However, animals may compensate for tag attachment through increased effort or behavioural responses. We compared foraging trip and dive characteristics of 42 breeding Manx shearwaters (Puffinus puffinus) equipped with a range of biologging tags representing –% body mass. There was no evidence that increasing tag weight affected foraging trip duration, but individuals equipped with heavier tags travelled shorter distances and at slower speed as well as spending more time in Area Restricted Search behaviour. The number of dives performed per hour of foraging trip was not affected by increasing tag weight, but individuals with the heavi
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All abstracts for ICOS Science Conference
10 Atmospheric GHG Monitoring Network of the metropolitan area of Barcelona
Poster
Gara Villalba1, Roger Curcoll2*
1Universitat Autònoma de Barcelona, Barcelona, Spain. 2UPC, Barcelona, Spain
Session Quantification of urban greenhouse gas emissions - from novel monitoring to source identification
The ICOS Cities Horizon project makes observations on Greenhouse Gases (GHG) emissions in densely populated urban areas, with the objective of developing useful tools and services to support the local climate action plans of cities. This project has expanded to 12 European cities, including Barcelona. The Barcelona conurbation area extents up to km2 and has a total population over 5 million habitants. It includes green areas, industrial zones and agricultural soils but also some areas with the highest density population in Europe. Four continuous atmospheric measurement stations of GHG have been implemented with Picarro gas analyzers of CO2 ,CH4 and water vapor, strategically placed in different characteristic areas of the urban conurbation: the ICM stations is located at the Barcelona seafront, IDAEA station in a university campus near a high traffic route inside Barcelona city, Observatori Fabra in a meteo