Tracking, feather moult and stable isotopes reveal foraging behaviour of a critically endangered seabird during the non-breeding season
This is the author accepted manuscript. The final version is available from the publisher via the DOI in this record. Diversity and Distributions Published by John Wiley & Sons Ltd.Aim: The movement patterns of marine top predators are likely to reflect responses to prey distributions, which the...
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Online Access: | http://hdl.handle.net/10871/25770 https://doi.org/10.1111/ddi.12509 |
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ftunivexeter:oai:ore.exeter.ac.uk:10871/25770 2024-09-15T18:24:46+00:00 Tracking, feather moult and stable isotopes reveal foraging behaviour of a critically endangered seabird during the non-breeding season Meier, RE Votier, SC Wynn, RB Guilford, T McMinn Grivé, M Rodríguez, A Newton, J Maurice, L Chouvelon, T Dessier, A Trueman, CN 2017 http://hdl.handle.net/10871/25770 https://doi.org/10.1111/ddi.12509 en eng Wiley Vol. 23, pp. 130 - 145 doi:10.1111/ddi.12509 http://hdl.handle.net/10871/25770 1366-9516 Diversity and Distributions © 2016 The Authors. Diversity and Distributions Published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. Balearic shearwater diet discards feeding ecology fisheries migration trophic Article 2017 ftunivexeter https://doi.org/10.1111/ddi.12509 2024-07-29T03:24:15Z This is the author accepted manuscript. The final version is available from the publisher via the DOI in this record. Diversity and Distributions Published by John Wiley & Sons Ltd.Aim: The movement patterns of marine top predators are likely to reflect responses to prey distributions, which themselves can be influenced by factors such as climate and fisheries. The critically endangered Balearic shearwater Puffinus mauretanicus has shown a recent northwards shift in non-breeding distribution, tentatively linked to changing forage fish distribution and/or fisheries activity. Here, we provide the first information on the foraging ecology of this species during the non-breeding period. Location: Breeding grounds in Mallorca, Spain, and non-breeding areas in the north-east Atlantic and western Mediterranean. Methods: Birdborne geolocation was used to identify non-breeding grounds. Information on feather moult (from digital images) and stable isotopes (of both primary wing feathers and potential prey items) was combined to infer foraging behaviour during the non-breeding season. Results: Almost all breeding shearwaters (n = 32) migrated to non-breeding areas in the Atlantic from southern Iberia to the French Atlantic coast, where the majority of primary feather moult took place. Birds foraging off western Iberia yielded feather isotope ratios consistent with a diet composed largely of pelagic fishes, while the isotopic composition of birds foraging in the Bay of Biscay suggested an additional contribution of benthic prey, most likely from demersal fishery discards. Main conclusions: Combined application of geolocators and stable isotopes indicates spatial variation in dietary behaviour and interactions with fisheries. Our results imply that both pelagic fish and fisheries discards are important components of diet during the non-breeding period, which may have implications for the at-sea distribution of this migratory species. These findings will contribute to bycatch mitigation in non-breeding areas and provide ... Article in Journal/Newspaper North East Atlantic University of Exeter: Open Research Exeter (ORE) Diversity and Distributions 23 2 130 145 |
institution |
Open Polar |
collection |
University of Exeter: Open Research Exeter (ORE) |
op_collection_id |
ftunivexeter |
language |
English |
topic |
Balearic shearwater diet discards feeding ecology fisheries migration trophic |
spellingShingle |
Balearic shearwater diet discards feeding ecology fisheries migration trophic Meier, RE Votier, SC Wynn, RB Guilford, T McMinn Grivé, M Rodríguez, A Newton, J Maurice, L Chouvelon, T Dessier, A Trueman, CN Tracking, feather moult and stable isotopes reveal foraging behaviour of a critically endangered seabird during the non-breeding season |
topic_facet |
Balearic shearwater diet discards feeding ecology fisheries migration trophic |
description |
This is the author accepted manuscript. The final version is available from the publisher via the DOI in this record. Diversity and Distributions Published by John Wiley & Sons Ltd.Aim: The movement patterns of marine top predators are likely to reflect responses to prey distributions, which themselves can be influenced by factors such as climate and fisheries. The critically endangered Balearic shearwater Puffinus mauretanicus has shown a recent northwards shift in non-breeding distribution, tentatively linked to changing forage fish distribution and/or fisheries activity. Here, we provide the first information on the foraging ecology of this species during the non-breeding period. Location: Breeding grounds in Mallorca, Spain, and non-breeding areas in the north-east Atlantic and western Mediterranean. Methods: Birdborne geolocation was used to identify non-breeding grounds. Information on feather moult (from digital images) and stable isotopes (of both primary wing feathers and potential prey items) was combined to infer foraging behaviour during the non-breeding season. Results: Almost all breeding shearwaters (n = 32) migrated to non-breeding areas in the Atlantic from southern Iberia to the French Atlantic coast, where the majority of primary feather moult took place. Birds foraging off western Iberia yielded feather isotope ratios consistent with a diet composed largely of pelagic fishes, while the isotopic composition of birds foraging in the Bay of Biscay suggested an additional contribution of benthic prey, most likely from demersal fishery discards. Main conclusions: Combined application of geolocators and stable isotopes indicates spatial variation in dietary behaviour and interactions with fisheries. Our results imply that both pelagic fish and fisheries discards are important components of diet during the non-breeding period, which may have implications for the at-sea distribution of this migratory species. These findings will contribute to bycatch mitigation in non-breeding areas and provide ... |
format |
Article in Journal/Newspaper |
author |
Meier, RE Votier, SC Wynn, RB Guilford, T McMinn Grivé, M Rodríguez, A Newton, J Maurice, L Chouvelon, T Dessier, A Trueman, CN |
author_facet |
Meier, RE Votier, SC Wynn, RB Guilford, T McMinn Grivé, M Rodríguez, A Newton, J Maurice, L Chouvelon, T Dessier, A Trueman, CN |
author_sort |
Meier, RE |
title |
Tracking, feather moult and stable isotopes reveal foraging behaviour of a critically endangered seabird during the non-breeding season |
title_short |
Tracking, feather moult and stable isotopes reveal foraging behaviour of a critically endangered seabird during the non-breeding season |
title_full |
Tracking, feather moult and stable isotopes reveal foraging behaviour of a critically endangered seabird during the non-breeding season |
title_fullStr |
Tracking, feather moult and stable isotopes reveal foraging behaviour of a critically endangered seabird during the non-breeding season |
title_full_unstemmed |
Tracking, feather moult and stable isotopes reveal foraging behaviour of a critically endangered seabird during the non-breeding season |
title_sort |
tracking, feather moult and stable isotopes reveal foraging behaviour of a critically endangered seabird during the non-breeding season |
publisher |
Wiley |
publishDate |
2017 |
url |
http://hdl.handle.net/10871/25770 https://doi.org/10.1111/ddi.12509 |
genre |
North East Atlantic |
genre_facet |
North East Atlantic |
op_relation |
Vol. 23, pp. 130 - 145 doi:10.1111/ddi.12509 http://hdl.handle.net/10871/25770 1366-9516 Diversity and Distributions |
op_rights |
© 2016 The Authors. Diversity and Distributions Published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
op_doi |
https://doi.org/10.1111/ddi.12509 |
container_title |
Diversity and Distributions |
container_volume |
23 |
container_issue |
2 |
container_start_page |
130 |
op_container_end_page |
145 |
_version_ |
1810465196218515456 |