No distinct local cuisines among humpback whales: A population diet comparison in the Southern Hemisphere.

Antarctic krill Climate change Diet Fatty acids Sentinel species Stable isotopes

Journal

The Science of the total environment
ISSN: 1879-1026
Titre abrégé: Sci Total Environ
Pays: Netherlands
ID NLM: 0330500

Informations de publication

Date de publication:
01 May 2024
Historique:
received: 12 10 2022
revised: 24 04 2024
accepted: 30 04 2024
medline: 4 5 2024
pubmed: 4 5 2024
entrez: 3 5 2024
Statut: aheadofprint

Résumé

Southern hemisphere humpback whale (Megaptera novaeangliae, SHHW) breeding populations follow a high-fidelity Antarctic krill (Euphausia superba) diet while feeding in distinct sectors of the Southern Ocean. Their capital breeding life history requires predictable ecosystem productivity to fuel migration and migration-related behaviours. It is therefore postulated that populations feeding in areas subject to the strongest climate change impacts are more likely to show the first signs of a departure from a high-fidelity krill diet. We tested this hypothesis by investigating blubber fatty acid profiles and skin stable isotopes obtained from five SHHW populations in 2019, and comparing them to Antarctic krill stable isotopes sampled in three SHHW feeding areas in the Southern Ocean in 2019. Fatty acid profiles and δ

Identifiants

DOI: 10.1016/j.scitotenv.2024.172939 PMID: 38701928
pubmed: 38701928
pii: S0048-9697(24)03086-9
doi: 10.1016/j.scitotenv.2024.172939
pii:
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

172939

Informations de copyright

Copyright © 2024. Published by Elsevier B.V.

Auteurs

Jasmin Groß (J)

Centre for Planetary Health and Food Security, Southern Ocean Persistent Organic Pollutants Program, Griffith University, 4111 Nathan, QLD, Australia; Alfred-Wegener-Institute Helmholtz-Centre for Polar and Marine Research, Bremerhaven, Germany; Helmholtz Institute for Functional Marine Biodiversity at the University of Oldenburg (HIFMB), Ammerländer Heerstrasse 231, 26129 Oldenburg, Germany. Electronic address: Jasmin.gross@fulbrightmail.org.

Rita M Franco-Santos (RM)

Institute for Marine and Antarctic Studies, University of Tasmania, 7004 Hobart, TAS, Australia.

Patti Virtue (P)

Institute for Marine and Antarctic Studies, University of Tasmania, 7004 Hobart, TAS, Australia; CSIRO Environment, 7004 Hobart, TAS, Australia.

Peter D Nichols (PD)

Institute for Marine and Antarctic Studies, University of Tasmania, 7004 Hobart, TAS, Australia; CSIRO Environment, 7004 Hobart, TAS, Australia.

John Totterdell (J)

Cetacean Research Centre, 6707 Exmouth, WA, Australia.

Milton C C Marcondes (MCC)

Instituto Baleia Jubarte, 45900-000 Caravelas, BA, Brazil.

Claire Garrigue (C)

UMR 250/9220 ENTROPIE, IRD, Université de La Réunion, Université de la Nouvelle-Calédonie, CNRS, Ifremer, Laboratoired'Excellence-CORAIL, BPA5 Nouméa, New Caledonia; Opération Cétacés, Nouméa, New Caledonia.

Natalia Botero-Acosta (N)

Fundación Macuáticos Colombia, Medellín, Colombia.

Fredrik Christiansen (F)

Zoophysiology, Department of Biology, Aarhus University, Aarhus, Denmark; Aarhus Institute of Advanced Studies, Aarhus C, Denmark.

Juliana Castrillon (J)

Centre for Planetary Health and Food Security, Southern Ocean Persistent Organic Pollutants Program, Griffith University, 4111 Nathan, QLD, Australia.

Susana J Caballero (SJ)

Laboratorio de Ecología Molecular de Vertebrados Acuáticos (LEMVA), Departamento de Ciencias Biológicas, Universidad de los Andes, 18A-10 Bogotá, Colombia.

Ari S Friedlaender (AS)

Ocean Sciences Department, UC Santa Cruz, Santa Cruz, CA, USA.

So Kawaguchi (S)

Australian Antarctic Division, Kingston, TAS, Australia.

Michael C Double (MC)

Australian Antarctic Division, Kingston, TAS, Australia.

Elanor M Bell (EM)

Australian Antarctic Division, Kingston, TAS, Australia.

Ryosuke Makabe (R)

National Institute of Polar Research, 10-3 Midoricho, Tachikawa, Tokyo 190-8518, Japan; Department of Ocean Sciences, Tokyo University of Marine Science and Technology, 4-5-7Konan, Minato-ku, Tokyo 108-8477, Japan; Department of Polar Science, The Graduate University for Advanced Studies, SOKENDAI, 10-3, Midori-cho, Tachikawa, Tokyo 190-851, Japan.

Masato Moteki (M)

National Institute of Polar Research, 10-3 Midoricho, Tachikawa, Tokyo 190-8518, Japan; Department of Ocean Sciences, Tokyo University of Marine Science and Technology, 4-5-7Konan, Minato-ku, Tokyo 108-8477, Japan.

Nils Hoem (N)

Aker BioMarine Antarctic AS, NO-1327 Lysaker, Norway.

Brian Fry (B)

Australian Rivers Institute, Griffith University, 4111 Nathan, QLD, Australia.

Michele Burford (M)

Australian Rivers Institute, Griffith University, 4111 Nathan, QLD, Australia.

Susan Bengtson Nash (SB)

Centre for Planetary Health and Food Security, Southern Ocean Persistent Organic Pollutants Program, Griffith University, 4111 Nathan, QLD, Australia.

Classifications MeSH