Spatial segregation between phenotypes of the diablotin black-capped petrel Pterodroma hasitata during the non-breeding period

Despite growing support for ecosystem-based approaches, conservation is mostly implemented at the species level. However, genetic differentiation exists within this taxonomic level, putting genetically distinct populations at risk of local extinction. In the diablotin black-capped petrel Pterodroma...

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Published in:Endangered Species Research
Main Authors: YG Satgé, BS Keitt, CP Gaskin, JB Patteson, PGR Jodice
Format: Article in Journal/Newspaper
Language:English
Published: Inter-Research 2023
Subjects:
Online Access:https://doi.org/10.3354/esr01254
https://doaj.org/article/84ded3d8c9a54824b4a4760ce82fca65
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spelling ftdoajarticles:oai:doaj.org/article:84ded3d8c9a54824b4a4760ce82fca65 2023-08-20T04:08:27+02:00 Spatial segregation between phenotypes of the diablotin black-capped petrel Pterodroma hasitata during the non-breeding period YG Satgé BS Keitt CP Gaskin JB Patteson PGR Jodice 2023-07-01T00:00:00Z https://doi.org/10.3354/esr01254 https://doaj.org/article/84ded3d8c9a54824b4a4760ce82fca65 EN eng Inter-Research https://www.int-res.com/abstracts/esr/v51/p183-201/ https://doaj.org/toc/1863-5407 https://doaj.org/toc/1613-4796 1863-5407 1613-4796 doi:10.3354/esr01254 https://doaj.org/article/84ded3d8c9a54824b4a4760ce82fca65 Endangered Species Research, Vol 51, Pp 183-201 (2023) Zoology QL1-991 Botany QK1-989 article 2023 ftdoajarticles https://doi.org/10.3354/esr01254 2023-07-30T00:39:03Z Despite growing support for ecosystem-based approaches, conservation is mostly implemented at the species level. However, genetic differentiation exists within this taxonomic level, putting genetically distinct populations at risk of local extinction. In the diablotin black-capped petrel Pterodroma hasitata, an endangered gadfly petrel endemic to the Caribbean, 2 phenotypes have been described: a smaller dark form and a heavier light form, which are genetically distinct. To assess possible differences in the marine distributions of phenotypes, in May 2019, we captured 5 adult black-capped petrels of each phenotype at sea in the western North Atlantic and equipped them with satellite transmitters. We used generalized linear mixed models to test the importance of phenotype on geographic distribution. Using kernel density estimations, we located use areas, quantified spatial overlap between forms, and assessed form-specific exposure to marine threats. Petrels were tracked for 11 to 255 d (mean ± SD: 102.1 ± 74.2 d). During the non-breeding period, all individuals ranged from 28.4 to 43.0° latitude. Phenotypes had significantly distinct non-breeding distributions, independent of time of year. The dark form used waters of the Carolinian marine ecoregion, and the light form used pelagic waters of the Virginian ecoregion, to the north. The dark form was more exposed to marine threats than the light form, in particular to mercury, microplastics, and marine traffic. The light form overlapped with proposed wind energy areas off the central US coast. These differences in exposure suggest possible differences in vulnerability, which can have repercussions on the viability of this imperiled species. Article in Journal/Newspaper North Atlantic Directory of Open Access Journals: DOAJ Articles Endangered Species Research 51 183 201
institution Open Polar
collection Directory of Open Access Journals: DOAJ Articles
op_collection_id ftdoajarticles
language English
topic Zoology
QL1-991
Botany
QK1-989
spellingShingle Zoology
QL1-991
Botany
QK1-989
YG Satgé
BS Keitt
CP Gaskin
JB Patteson
PGR Jodice
Spatial segregation between phenotypes of the diablotin black-capped petrel Pterodroma hasitata during the non-breeding period
topic_facet Zoology
QL1-991
Botany
QK1-989
description Despite growing support for ecosystem-based approaches, conservation is mostly implemented at the species level. However, genetic differentiation exists within this taxonomic level, putting genetically distinct populations at risk of local extinction. In the diablotin black-capped petrel Pterodroma hasitata, an endangered gadfly petrel endemic to the Caribbean, 2 phenotypes have been described: a smaller dark form and a heavier light form, which are genetically distinct. To assess possible differences in the marine distributions of phenotypes, in May 2019, we captured 5 adult black-capped petrels of each phenotype at sea in the western North Atlantic and equipped them with satellite transmitters. We used generalized linear mixed models to test the importance of phenotype on geographic distribution. Using kernel density estimations, we located use areas, quantified spatial overlap between forms, and assessed form-specific exposure to marine threats. Petrels were tracked for 11 to 255 d (mean ± SD: 102.1 ± 74.2 d). During the non-breeding period, all individuals ranged from 28.4 to 43.0° latitude. Phenotypes had significantly distinct non-breeding distributions, independent of time of year. The dark form used waters of the Carolinian marine ecoregion, and the light form used pelagic waters of the Virginian ecoregion, to the north. The dark form was more exposed to marine threats than the light form, in particular to mercury, microplastics, and marine traffic. The light form overlapped with proposed wind energy areas off the central US coast. These differences in exposure suggest possible differences in vulnerability, which can have repercussions on the viability of this imperiled species.
format Article in Journal/Newspaper
author YG Satgé
BS Keitt
CP Gaskin
JB Patteson
PGR Jodice
author_facet YG Satgé
BS Keitt
CP Gaskin
JB Patteson
PGR Jodice
author_sort YG Satgé
title Spatial segregation between phenotypes of the diablotin black-capped petrel Pterodroma hasitata during the non-breeding period
title_short Spatial segregation between phenotypes of the diablotin black-capped petrel Pterodroma hasitata during the non-breeding period
title_full Spatial segregation between phenotypes of the diablotin black-capped petrel Pterodroma hasitata during the non-breeding period
title_fullStr Spatial segregation between phenotypes of the diablotin black-capped petrel Pterodroma hasitata during the non-breeding period
title_full_unstemmed Spatial segregation between phenotypes of the diablotin black-capped petrel Pterodroma hasitata during the non-breeding period
title_sort spatial segregation between phenotypes of the diablotin black-capped petrel pterodroma hasitata during the non-breeding period
publisher Inter-Research
publishDate 2023
url https://doi.org/10.3354/esr01254
https://doaj.org/article/84ded3d8c9a54824b4a4760ce82fca65
genre North Atlantic
genre_facet North Atlantic
op_source Endangered Species Research, Vol 51, Pp 183-201 (2023)
op_relation https://www.int-res.com/abstracts/esr/v51/p183-201/
https://doaj.org/toc/1863-5407
https://doaj.org/toc/1613-4796
1863-5407
1613-4796
doi:10.3354/esr01254
https://doaj.org/article/84ded3d8c9a54824b4a4760ce82fca65
op_doi https://doi.org/10.3354/esr01254
container_title Endangered Species Research
container_volume 51
container_start_page 183
op_container_end_page 201
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