Convergence of marine megafauna movement patterns in coastal and open oceans

Proceedings of the National Academy of Sciences of the United States of America
A M M SequeiraM Thums

Abstract

The extent of increasing anthropogenic impacts on large marine vertebrates partly depends on the animals' movement patterns. Effective conservation requires identification of the key drivers of movement including intrinsic properties and extrinsic constraints associated with the dynamic nature of the environments the animals inhabit. However, the relative importance of intrinsic versus extrinsic factors remains elusive. We analyze a global dataset of ∼2.8 million locations from >2,600 tracked individuals across 50 marine vertebrates evolutionarily separated by millions of years and using different locomotion modes (fly, swim, walk/paddle). Strikingly, movement patterns show a remarkable convergence, being strongly conserved across species and independent of body length and mass, despite these traits ranging over 10 orders of magnitude among the species studied. This represents a fundamental difference between marine and terrestrial vertebrates not previously identified, likely linked to the reduced costs of locomotion in water. Movement patterns were primarily explained by the interaction between species-specific traits and the habitat(s) they move through, resulting in complex movement patterns when moving close to coasts comp...Continue Reading

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Citations

Jan 13, 2019·The Journal of Animal Ecology·Jean-François HamelAnnie Mercier
May 28, 2019·Scientific Reports·John Fredrik StrømEva Bonsak Thorstad
Feb 6, 2020·Biological Reviews of the Cambridge Philosophical Society·Anicee J LombalChristopher P Burridge
Nov 2, 2019·Global Change Biology·David MarchBrendan J Godley
Sep 26, 2019·Proceedings. Biological Sciences·Carl S Cloyed, Anthony I Dell
Sep 26, 2019·Proceedings. Biological Sciences·Daniel C DunnPatrick N Halpin
Dec 12, 2019·Royal Society Open Science·S P KirkmanJ P Y Arnould
Feb 7, 2019·PeerJ·Laurentiu RozylowiczViorel D Popescu
Jun 12, 2019·Ecological Applications : a Publication of the Ecological Society of America·A M M SequeiraG C Hays
Aug 3, 2019·The Journal of Experimental Biology·Clara FannjiangKakani Katija
Oct 22, 2020·Proceedings. Biological Sciences·Theoni PhotopoulouLars Boehme
Apr 29, 2021·Proceedings. Biological Sciences·Lilian LieberW Alex M Nimmo-Smith
May 13, 2021·Ecology and Evolution·Samantha AndrzejaczekSabrina Fossette
Apr 18, 2021·Ecology·Carl S CloyedAnthony I Dell
Jul 20, 2021·Ecological Applications : a Publication of the Ecological Society of America·Graeme C HaysNicole Esteban
Sep 23, 2020·Current Biology : CB·Ana M M Sequeira

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