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Foraging distribution of breeding northern fulmars is predicted by commercial fisheries

JH Darby, S Dde Grissac, GE Arneill, E Pirotta, JJ Waggitt, Luca Borger Orcid Logo, Emily Shepard Orcid Logo, D Cabot, E Owen, M Bolton, EWJ Edwards, PM Thompson, JL Quinn, M Jessopp

Marine Ecology Progress Series, Volume: 679, Pages: 181 - 194

Swansea University Authors: Luca Borger Orcid Logo, Emily Shepard Orcid Logo

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DOI (Published version): 10.3354/meps13887

Abstract

Habitat-use and distribution models are essential tools of conservation biology. For wide-ranging species, such models may be challenged by the expanse, remoteness and variability of their habitat, these challenges often being compounded by the species’ mobility. In marine environments, direct obser...

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Published in: Marine Ecology Progress Series
ISSN: 0171-8630 1616-1599
Published: Inter-Research Science Center 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57974
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first_indexed 2021-10-20T14:18:51Z
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For wide-ranging species, such models may be challenged by the expanse, remoteness and variability of their habitat, these challenges often being compounded by the species&#x2019; mobility. In marine environments, direct observations and sampling are usually impractical over broad regions, and instead remotely sensed proxies of prey availability are often used to link species abundance or foraging behaviour to areas that are expected to provide food consistently. One source of food consumed by many marine top predators is fisheries waste, but habitat-use models rarely account for this interaction. We assessed the utility of commercial fishing effort as a covariate in foraging habitat models for northern fulmars Fulmarus glacialis, a species known to exploit fisheries waste, during their summer breeding season. First, we investigated the prevalence of fulmar-vessel interactions using concurrently tracked fulmars and fishing vessels. We infer that over half of our study individuals associate with fishing vessels while foraging, mostly with trawl-type vessels. We then used hidden Markov models to explain the spatio-temporal distribution of putative foraging behaviour as a function of a range of covariates. Persistent commercial fishing effort was a significant predictor of foraging behaviour, and was more important than commonly used environmental covariates retained in the model. This study demonstrates the effect of commercial fisheries on the foraging distribution and behaviour of a marine top predator, and supports the idea that, in some systems, incorporating human activities into distribution studies can improve model fit substantially.</abstract><type>Journal Article</type><journal>Marine Ecology Progress Series</journal><volume>679</volume><journalNumber/><paginationStart>181</paginationStart><paginationEnd>194</paginationEnd><publisher>Inter-Research Science Center</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>0171-8630</issnPrint><issnElectronic>1616-1599</issnElectronic><keywords>Fisheries, Discards, Marine conservation, Foraging behaviour, Habitat use, Anthropogenic food source</keywords><publishedDay>25</publishedDay><publishedMonth>11</publishedMonth><publishedYear>2021</publishedYear><publishedDate>2021-11-25</publishedDate><doi>10.3354/meps13887</doi><url>http://dx.doi.org/10.3354/meps13887</url><notes/><college>COLLEGE NANME</college><department>Biosciences</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>SBI</DepartmentCode><institution>Swansea University</institution><apcterm/><funders/><projectreference/><lastEdited>2023-03-13T10:17:59.8814322</lastEdited><Created>2021-09-20T11:49:58.2682920</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Biosciences, Geography and Physics - Biosciences</level></path><authors><author><firstname>JH</firstname><surname>Darby</surname><order>1</order></author><author><firstname>S Dde</firstname><surname>Grissac</surname><order>2</order></author><author><firstname>GE</firstname><surname>Arneill</surname><order>3</order></author><author><firstname>E</firstname><surname>Pirotta</surname><order>4</order></author><author><firstname>JJ</firstname><surname>Waggitt</surname><order>5</order></author><author><firstname>Luca</firstname><surname>Borger</surname><orcid>0000-0001-8763-5997</orcid><order>6</order></author><author><firstname>Emily</firstname><surname>Shepard</surname><orcid>0000-0001-7325-6398</orcid><order>7</order></author><author><firstname>D</firstname><surname>Cabot</surname><order>8</order></author><author><firstname>E</firstname><surname>Owen</surname><order>9</order></author><author><firstname>M</firstname><surname>Bolton</surname><order>10</order></author><author><firstname>EWJ</firstname><surname>Edwards</surname><order>11</order></author><author><firstname>PM</firstname><surname>Thompson</surname><order>12</order></author><author><firstname>JL</firstname><surname>Quinn</surname><order>13</order></author><author><firstname>M</firstname><surname>Jessopp</surname><order>14</order></author></authors><documents/><OutputDurs/></rfc1807>
spelling 2023-03-13T10:17:59.8814322 v2 57974 2021-09-20 Foraging distribution of breeding northern fulmars is predicted by commercial fisheries 8416d0ffc3cccdad6e6d67a455e7c4a2 0000-0001-8763-5997 Luca Borger Luca Borger true false 54729295145aa1ea56d176818d51ed6a 0000-0001-7325-6398 Emily Shepard Emily Shepard true false 2021-09-20 SBI Habitat-use and distribution models are essential tools of conservation biology. For wide-ranging species, such models may be challenged by the expanse, remoteness and variability of their habitat, these challenges often being compounded by the species’ mobility. In marine environments, direct observations and sampling are usually impractical over broad regions, and instead remotely sensed proxies of prey availability are often used to link species abundance or foraging behaviour to areas that are expected to provide food consistently. One source of food consumed by many marine top predators is fisheries waste, but habitat-use models rarely account for this interaction. We assessed the utility of commercial fishing effort as a covariate in foraging habitat models for northern fulmars Fulmarus glacialis, a species known to exploit fisheries waste, during their summer breeding season. First, we investigated the prevalence of fulmar-vessel interactions using concurrently tracked fulmars and fishing vessels. We infer that over half of our study individuals associate with fishing vessels while foraging, mostly with trawl-type vessels. We then used hidden Markov models to explain the spatio-temporal distribution of putative foraging behaviour as a function of a range of covariates. Persistent commercial fishing effort was a significant predictor of foraging behaviour, and was more important than commonly used environmental covariates retained in the model. This study demonstrates the effect of commercial fisheries on the foraging distribution and behaviour of a marine top predator, and supports the idea that, in some systems, incorporating human activities into distribution studies can improve model fit substantially. Journal Article Marine Ecology Progress Series 679 181 194 Inter-Research Science Center 0171-8630 1616-1599 Fisheries, Discards, Marine conservation, Foraging behaviour, Habitat use, Anthropogenic food source 25 11 2021 2021-11-25 10.3354/meps13887 http://dx.doi.org/10.3354/meps13887 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2023-03-13T10:17:59.8814322 2021-09-20T11:49:58.2682920 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences JH Darby 1 S Dde Grissac 2 GE Arneill 3 E Pirotta 4 JJ Waggitt 5 Luca Borger 0000-0001-8763-5997 6 Emily Shepard 0000-0001-7325-6398 7 D Cabot 8 E Owen 9 M Bolton 10 EWJ Edwards 11 PM Thompson 12 JL Quinn 13 M Jessopp 14
title Foraging distribution of breeding northern fulmars is predicted by commercial fisheries
spellingShingle Foraging distribution of breeding northern fulmars is predicted by commercial fisheries
Luca Borger
Emily Shepard
title_short Foraging distribution of breeding northern fulmars is predicted by commercial fisheries
title_full Foraging distribution of breeding northern fulmars is predicted by commercial fisheries
title_fullStr Foraging distribution of breeding northern fulmars is predicted by commercial fisheries
title_full_unstemmed Foraging distribution of breeding northern fulmars is predicted by commercial fisheries
title_sort Foraging distribution of breeding northern fulmars is predicted by commercial fisheries
author_id_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2
54729295145aa1ea56d176818d51ed6a
author_id_fullname_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2_***_Luca Borger
54729295145aa1ea56d176818d51ed6a_***_Emily Shepard
author Luca Borger
Emily Shepard
author2 JH Darby
S Dde Grissac
GE Arneill
E Pirotta
JJ Waggitt
Luca Borger
Emily Shepard
D Cabot
E Owen
M Bolton
EWJ Edwards
PM Thompson
JL Quinn
M Jessopp
format Journal article
container_title Marine Ecology Progress Series
container_volume 679
container_start_page 181
publishDate 2021
institution Swansea University
issn 0171-8630
1616-1599
doi_str_mv 10.3354/meps13887
publisher Inter-Research Science Center
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
url http://dx.doi.org/10.3354/meps13887
document_store_str 0
active_str 0
description Habitat-use and distribution models are essential tools of conservation biology. For wide-ranging species, such models may be challenged by the expanse, remoteness and variability of their habitat, these challenges often being compounded by the species’ mobility. In marine environments, direct observations and sampling are usually impractical over broad regions, and instead remotely sensed proxies of prey availability are often used to link species abundance or foraging behaviour to areas that are expected to provide food consistently. One source of food consumed by many marine top predators is fisheries waste, but habitat-use models rarely account for this interaction. We assessed the utility of commercial fishing effort as a covariate in foraging habitat models for northern fulmars Fulmarus glacialis, a species known to exploit fisheries waste, during their summer breeding season. First, we investigated the prevalence of fulmar-vessel interactions using concurrently tracked fulmars and fishing vessels. We infer that over half of our study individuals associate with fishing vessels while foraging, mostly with trawl-type vessels. We then used hidden Markov models to explain the spatio-temporal distribution of putative foraging behaviour as a function of a range of covariates. Persistent commercial fishing effort was a significant predictor of foraging behaviour, and was more important than commonly used environmental covariates retained in the model. This study demonstrates the effect of commercial fisheries on the foraging distribution and behaviour of a marine top predator, and supports the idea that, in some systems, incorporating human activities into distribution studies can improve model fit substantially.
published_date 2021-11-25T04:14:07Z
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score 11.013171

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