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Life histories are not just fast or slow

Life histories are not just fast or slow
Life histories are not just fast or slow

Life history strategies, which combine schedules of survival, development, and reproduction, shape how natural selection acts on species’ heritable traits and organismal fitness. Comparative analyses have historically ranked life histories along a fast–slow continuum, describing a negative association between time allocation to reproduction and development versus survival. However, higher-quality, more representative data and analyses have revealed that life history variation cannot be fully accounted for by this single continuum. Moreover, studies often do not test predictions from existing theories and instead operate as exploratory exercises. To move forward, we offer three recommendations for future investigations: standardizing life history traits, overcoming taxonomic siloes, and using theory to move from describing to understanding life history variation across the Tree of Life.

life history strategy, life history theory, life history trait, phylogenetic comparative analysis, reproductive tactic
0169-5347
830-840
Stott, Iain
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Salguero-Gomez, Roberto
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Jones, Owen R.
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Ezard, Thomas H.G.
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Gamelon, Marlène
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Lachish, Shelly
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Lebreton, Jean-Dominique
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Simmonds, Emily G.
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Gaillard, Jean-Michel
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Hodgson, Dave J.
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Stott, Iain
724e5f64-f72b-422e-8f95-7b8621ee99da
Salguero-Gomez, Roberto
d82c82b8-a1d4-47b5-ad62-8b2f5db217f7
Jones, Owen R.
c81adbcd-7830-4928-9623-407294f90966
Ezard, Thomas H.G.
a143a893-07d0-4673-a2dd-cea2cd7e1374
Gamelon, Marlène
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Lachish, Shelly
b34ca326-1170-47c1-ad03-4c441d7e46fc
Lebreton, Jean-Dominique
aa284234-3a63-4310-ac20-93175aa24b82
Simmonds, Emily G.
904a723b-d196-427e-8a98-34d6e285824c
Gaillard, Jean-Michel
bede13cf-3361-42d4-b9d2-d0772b868f10
Hodgson, Dave J.
ededc83c-600d-4a04-b673-9809bea0147c

Stott, Iain, Salguero-Gomez, Roberto, Jones, Owen R., Ezard, Thomas H.G., Gamelon, Marlène, Lachish, Shelly, Lebreton, Jean-Dominique, Simmonds, Emily G., Gaillard, Jean-Michel and Hodgson, Dave J. (2024) Life histories are not just fast or slow. Trends in Ecology & Evolution, 39 (9), 830-840. (doi:10.1016/j.tree.2024.06.001).

Record type: Article

Abstract

Life history strategies, which combine schedules of survival, development, and reproduction, shape how natural selection acts on species’ heritable traits and organismal fitness. Comparative analyses have historically ranked life histories along a fast–slow continuum, describing a negative association between time allocation to reproduction and development versus survival. However, higher-quality, more representative data and analyses have revealed that life history variation cannot be fully accounted for by this single continuum. Moreover, studies often do not test predictions from existing theories and instead operate as exploratory exercises. To move forward, we offer three recommendations for future investigations: standardizing life history traits, overcoming taxonomic siloes, and using theory to move from describing to understanding life history variation across the Tree of Life.

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Accepted/In Press date: 4 June 2024
e-pub ahead of print date: 13 July 2024
Additional Information: Publisher Copyright: © 2024 The Authors
Keywords: life history strategy, life history theory, life history trait, phylogenetic comparative analysis, reproductive tactic

Identifiers

Local EPrints ID: 492493
URI: http://eprints.soton.ac.uk/id/eprint/492493
ISSN: 0169-5347
PURE UUID: 866266cd-1057-43ff-97ce-dd3c853ab7ad
ORCID for Thomas H.G. Ezard: ORCID iD orcid.org/0000-0001-8305-6605

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Date deposited: 30 Jul 2024 16:32
Last modified: 31 Aug 2024 01:46

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Contributors

Author: Iain Stott
Author: Roberto Salguero-Gomez
Author: Owen R. Jones
Author: Thomas H.G. Ezard ORCID iD
Author: Marlène Gamelon
Author: Shelly Lachish
Author: Jean-Dominique Lebreton
Author: Emily G. Simmonds
Author: Jean-Michel Gaillard
Author: Dave J. Hodgson

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