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Fast life history traits promote invasion success in amphibians and reptiles

William Allen Orcid Logo, Sally E. Street, Isabella Capellini

Ecology Letters, Volume: 20, Issue: 2, Pages: 222 - 230

Swansea University Author: William Allen Orcid Logo

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DOI (Published version): 10.1111/ele.12728

Abstract

Competing theoretical models make different predictions on which life history strategies facilitate growth of small populations. While ‘fast’ strategies allow for rapid increase in population size and limit vulnerability to stochastic events, ‘slow’ strategies and bet-hedging may reduce variance in...

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Published in: Ecology Letters
ISSN: 1461023X
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa31577
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first_indexed 2017-01-05T20:42:31Z
last_indexed 2020-07-16T18:48:09Z
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spelling 2020-07-16T14:30:19.4003293 v2 31577 2017-01-05 Fast life history traits promote invasion success in amphibians and reptiles d6f01dd06d25fa8804daad86e251b8a5 0000-0003-2654-0438 William Allen William Allen true false 2017-01-05 SBI Competing theoretical models make different predictions on which life history strategies facilitate growth of small populations. While ‘fast’ strategies allow for rapid increase in population size and limit vulnerability to stochastic events, ‘slow’ strategies and bet-hedging may reduce variance in vital rates in response to stochasticity. We test these predictions using biological invasions since founder alien populations start small, compiling the largest dataset yet of global herpetological introductions and life history traits. Using state-of-the-art phylogenetic comparative methods, we show that successful invaders have fast traits, such as large and frequent clutches, at both establishment and spread stages. These results, together with recent findings in mammals and plants, support ‘fast advantage’ models and the importance of high potential population growth rate. Conversely, successful alien birds are bet-hedgers. We propose that transient population dynamics and differences in longevity and behavioural flexibility can help reconcile apparently contrasting results across terrestrial vertebrate classes. Journal Article Ecology Letters 20 2 222 230 1461023X amphibians, biological invasions, comparative analyses, invasion biology, invasive species, life history theory, population dynamics, population growth, reptiles, transient dynamics 23 1 2017 2017-01-23 10.1111/ele.12728 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University Institution, NERC, Grant Number: NE/K013777/1 2020-07-16T14:30:19.4003293 2017-01-05T13:45:08.7435616 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences William Allen 0000-0003-2654-0438 1 Sally E. Street 2 Isabella Capellini 3 0031577-05012017134553.pdf Allen_et_al-2017-Ecology_Letters.pdf 2017-01-05T13:45:53.6870000 Output 863656 application/pdf Version of Record true 2017-01-04T00:00:00.0000000 This is an open access article under the terms of the Creative Commons Attribution License. true
title Fast life history traits promote invasion success in amphibians and reptiles
spellingShingle Fast life history traits promote invasion success in amphibians and reptiles
William Allen
title_short Fast life history traits promote invasion success in amphibians and reptiles
title_full Fast life history traits promote invasion success in amphibians and reptiles
title_fullStr Fast life history traits promote invasion success in amphibians and reptiles
title_full_unstemmed Fast life history traits promote invasion success in amphibians and reptiles
title_sort Fast life history traits promote invasion success in amphibians and reptiles
author_id_str_mv d6f01dd06d25fa8804daad86e251b8a5
author_id_fullname_str_mv d6f01dd06d25fa8804daad86e251b8a5_***_William Allen
author William Allen
author2 William Allen
Sally E. Street
Isabella Capellini
format Journal article
container_title Ecology Letters
container_volume 20
container_issue 2
container_start_page 222
publishDate 2017
institution Swansea University
issn 1461023X
doi_str_mv 10.1111/ele.12728
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 1
active_str 0
description Competing theoretical models make different predictions on which life history strategies facilitate growth of small populations. While ‘fast’ strategies allow for rapid increase in population size and limit vulnerability to stochastic events, ‘slow’ strategies and bet-hedging may reduce variance in vital rates in response to stochasticity. We test these predictions using biological invasions since founder alien populations start small, compiling the largest dataset yet of global herpetological introductions and life history traits. Using state-of-the-art phylogenetic comparative methods, we show that successful invaders have fast traits, such as large and frequent clutches, at both establishment and spread stages. These results, together with recent findings in mammals and plants, support ‘fast advantage’ models and the importance of high potential population growth rate. Conversely, successful alien birds are bet-hedgers. We propose that transient population dynamics and differences in longevity and behavioural flexibility can help reconcile apparently contrasting results across terrestrial vertebrate classes.
published_date 2017-01-23T03:38:35Z
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score 11.017797

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