Humpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean

Abstract Humpback whale (Megaptera novaeangliae) populations typically undertake seasonal migrations, spending winters in low latitude breeding grounds and summers foraging in high latitude feeding grounds. Until recently, a broad scale understanding of whale movement has been derived from whaling r...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	V. Andrews-Goff, S. Bestley, N. J. Gales, S. M. Laverick, D. Paton, A. M. Polanowski, N. T. Schmitt, M. C. Double
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7b536cbe056140d186a6c579c5dde99a
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:7b536cbe056140d186a6c579c5dde99a
record_format	dspace
spelling	oai:doaj.org-article:7b536cbe056140d186a6c579c5dde99a2021-12-02T15:07:47ZHumpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean10.1038/s41598-018-30748-42045-2322https://doaj.org/article/7b536cbe056140d186a6c579c5dde99a2018-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-30748-4https://doaj.org/toc/2045-2322Abstract Humpback whale (Megaptera novaeangliae) populations typically undertake seasonal migrations, spending winters in low latitude breeding grounds and summers foraging in high latitude feeding grounds. Until recently, a broad scale understanding of whale movement has been derived from whaling records, Discovery marks, photo identification and genetic analyses. However, with advances in satellite tagging technology and concurrent development of analytical methodologies we can now detail finer scale humpback whale movement, infer behavioural context and examine how these animals interact with their physical environment. Here we describe the temporal and spatial characteristics of migration along the east Australian seaboard and into the Southern Ocean by 30 humpback whales satellite tagged over three consecutive austral summers. We characterise the putative Antarctic feeding grounds and identify supplemental foraging within temperate, migratory corridors. We demonstrate that Antarctic foraging habitat is associated with the marginal ice zone, with key predictors of inferred foraging behaviour including distance from the ice edge, ice melt rate and variability in ice concentration two months prior to arrival. We discuss the highly variable ice season within the putative foraging habitat and the implications that this and other environmental factors may have on the continued strong recovery of this humpback whale population.V. Andrews-GoffS. BestleyN. J. GalesS. M. LaverickD. PatonA. M. PolanowskiN. T. SchmittM. C. DoubleNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-14 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q V. Andrews-Goff S. Bestley N. J. Gales S. M. Laverick D. Paton A. M. Polanowski N. T. Schmitt M. C. Double Humpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean
description	Abstract Humpback whale (Megaptera novaeangliae) populations typically undertake seasonal migrations, spending winters in low latitude breeding grounds and summers foraging in high latitude feeding grounds. Until recently, a broad scale understanding of whale movement has been derived from whaling records, Discovery marks, photo identification and genetic analyses. However, with advances in satellite tagging technology and concurrent development of analytical methodologies we can now detail finer scale humpback whale movement, infer behavioural context and examine how these animals interact with their physical environment. Here we describe the temporal and spatial characteristics of migration along the east Australian seaboard and into the Southern Ocean by 30 humpback whales satellite tagged over three consecutive austral summers. We characterise the putative Antarctic feeding grounds and identify supplemental foraging within temperate, migratory corridors. We demonstrate that Antarctic foraging habitat is associated with the marginal ice zone, with key predictors of inferred foraging behaviour including distance from the ice edge, ice melt rate and variability in ice concentration two months prior to arrival. We discuss the highly variable ice season within the putative foraging habitat and the implications that this and other environmental factors may have on the continued strong recovery of this humpback whale population.
format	article
author	V. Andrews-Goff S. Bestley N. J. Gales S. M. Laverick D. Paton A. M. Polanowski N. T. Schmitt M. C. Double
author_facet	V. Andrews-Goff S. Bestley N. J. Gales S. M. Laverick D. Paton A. M. Polanowski N. T. Schmitt M. C. Double
author_sort	V. Andrews-Goff
title	Humpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean
title_short	Humpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean
title_full	Humpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean
title_fullStr	Humpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean
title_full_unstemmed	Humpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean
title_sort	humpback whale migrations to antarctic summer foraging grounds through the southwest pacific ocean
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/7b536cbe056140d186a6c579c5dde99a
work_keys_str_mv	AT vandrewsgoff humpbackwhalemigrationstoantarcticsummerforaginggroundsthroughthesouthwestpacificocean AT sbestley humpbackwhalemigrationstoantarcticsummerforaginggroundsthroughthesouthwestpacificocean AT njgales humpbackwhalemigrationstoantarcticsummerforaginggroundsthroughthesouthwestpacificocean AT smlaverick humpbackwhalemigrationstoantarcticsummerforaginggroundsthroughthesouthwestpacificocean AT dpaton humpbackwhalemigrationstoantarcticsummerforaginggroundsthroughthesouthwestpacificocean AT ampolanowski humpbackwhalemigrationstoantarcticsummerforaginggroundsthroughthesouthwestpacificocean AT ntschmitt humpbackwhalemigrationstoantarcticsummerforaginggroundsthroughthesouthwestpacificocean AT mcdouble humpbackwhalemigrationstoantarcticsummerforaginggroundsthroughthesouthwestpacificocean
_version_	1718388396461654016

Humpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean

Ejemplares similares