Fisheries-Induced Evolution

Heino, Mikko; Pauli, Beatriz Díaz; Dieckmann, Ulf

doi:10.1146/annurev-ecolsys-112414-054339

Cited by 295 publications

(349 citation statements)

References 109 publications

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“…Our findings, combined with evidence of a strong influence of one locus on maturity in Atlantic salmon [8], challenge the common expectation that fisheries that selectively target larger, older individuals should lead to a reduction in age at maturity in the exploited populations [20][21][22]. Instead, depending on the genetic control of the traits under selection, evolutionary responses to harvesting can be difficult to predict, thus limiting the conclusions that can be firmly drawn about the drivers of evolution based solely on the evolutionary trajectory of a population.…”

Section: Limitations and Future Directionssupporting

confidence: 58%

Genetic architecture of age at maturity can generate divergent and disruptive harvest-induced evolution

Kuparinen

Hutchings

2017

Phil. Trans. R. Soc. B

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One contribution of 18 to a theme issue 'Human influences on evolution, and the ecological and societal consequences'. Life-history traits are generally assumed to be inherited quantitatively. Fishing that targets large, old individuals is expected to decrease age at maturity. In Atlantic salmon (Salmo salar), it has recently been discovered that sea age at maturity is under strong control by a single locus with sexually dimorphic expression of heterozygotes, which makes it less intuitive to predict how life histories respond to selective fishing. We explore evolutionary responses to fishing in Atlantic salmon, using eco-evolutionary simulations with two alternative scenarios for the genetic architecture of age at maturity: (i) control by multiple loci with additive effects and (ii) control by one locus with sexually dimorphic expression. We show that multi-locus control leads to unidirectional evolution towards earlier maturation, whereas single-locus control causes largely divergent and disruptive evolution of age at maturity without a clear phenotypic trend but a wide range of alternative evolutionary trajectories and greater trait variability within trajectories. Our results indicate that the range of evolutionary responses to selective fishing can be wider than previously thought and that a lack of phenotypic trend need not imply that evolution has not occurred. These findings underscore the role of genetic architecture of life-history traits in understanding how human-induced selection can shape target populations.This article is part of the themed issue 'Human influences on evolution, and the ecological and societal consequences'.

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Section: Limitations and Future Directionssupporting

confidence: 58%

Genetic architecture of age at maturity can generate divergent and disruptive harvest-induced evolution

Kuparinen

Hutchings

2017

Phil. Trans. R. Soc. B

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“…For harvesting-induced evolution of life-history traits, such as 64 maturation size or reproductive investment, to occur, it is sufficient that the mortality induced by humans is elevated beyond natural mortality levels because the now altered 66 fitness landscape will select for different phenotypes than natural selection alone would favor Heino et al 2015). Evolutionary responses 68…”

Section: Introduction 60mentioning

confidence: 99%

“…caused by fisheries will be magnified if fishing mortality is not only elevated but selective for fitness-related traits, such as body size (e.g., Edeline et al 2007; 70 Matsumura et al 2011;Heino et al 2015).…”

Section: Introduction 60mentioning

confidence: 99%

“…Most empirical and theoretical research on phenotypic and evolutionary 88 changes caused by fisheries has focused on life-history traits (Devine et al 2012;Heino et al 2015). Our understanding of fisheries-induced selection and potential for 90 evolutionary changes in traits other than life-history traits, such as behavioral or physiological traits, is far less developed (Uusi-Heikkilä et al 2008;Heino et al 2015; 92 Arlinghaus et al 2017).…”

mentioning

confidence: 99%

“…Our understanding of fisheries-induced selection and potential for 90 evolutionary changes in traits other than life-history traits, such as behavioral or physiological traits, is far less developed (Uusi-Heikkilä et al 2008;Heino et al 2015; 92 Arlinghaus et al 2017). In particular, there is a gap in the knowledge related to the potential for adaptive effects of fishing on behavioral traits in wild-living fish 94 populations.…”

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confidence: 99%

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Evolution of boldness and life history in response to selective harvesting

Andersen

Marty

Arlinghaus

2018

Can. J. Fish. Aquat. Sci.

104

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20Whether intensive harvesting alters the behavioural repertoire of exploited fishes is currently unknown, but plausible. We extend a fish life-history model to account for 22 boldness as a personality trait that affects foraging intensity, which affects energy intake and risk from predation and fishing gear. We systematically investigate life-24 history and behavioral trait evolution along the boldness-timidity axis in response to the full range of common selectivity and exploitation patterns in fisheries. In agreement 26with previous studies we find that any type of harvesting selects for fast life histories and that merely elevated, yet unselective, fishing mortality favors boldness. We also 28 find that timid-selective fishing (which can be expected in selected species targeted by active gear types) selects for increased boldness. By contrast, increased timidity is 30 predicted when fishing targets bolder individuals common to passive gears, whether in combination with selection on size or not. Altered behavior caused by intensive 32 harvesting should be commonplace in nature, which can have far-reaching ecological, evolutionary and managerial impacts. Evolution of timidity is expected to strongly 34 erode catchability, which will negatively affect human well-being and influence the reliability of stock assessments that rely on fishery-dependent data. 36Key words: fisheries-induced evolution, timidity syndrome, personality traits, selection 38 gradients, life-history evolution Les modifications du comportement causés par la pêche intensive sont probablement 54 courants dans la nature, ce qui peut avoir d'importantes conséquences écologiques, évolutives et en termes de gestion. En particulier, l'évolution vers une plus grande 56 timidité peut éroder l'attrapabilité, affectant le bien-être des pêcheurs et la fiabilité des évaluations de stock reposant sur des données dépendantes de la pêche. 58

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Evidence of fish spillover from freshwater protected areas in lakes of eastern Ontario

Zolderdo

Abrams

Reid

et al. 2019

Aquatic Conservation

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Research has identified numerous conservation benefits attributed to the use of marine protected areas (MPAs), yet comparatively less is known about the effectiveness of freshwater protected areas (FPAs). This study assessed multiple long‐standing (>70 years active) intra‐lake FPAs in three lakes in eastern Ontario, Canada, to evaluate their potential conservation benefits. These FPAs were intended initially to protect exploited populations of largemouth bass (Micropterus salmoides (Lacépède, 1802)), but since their establishment no empirical data have been collected to evaluate the effectiveness of FPAs for protecting bass or the broader fish community. A comparative biological census of fish species abundance, biomass and species richness was conducted using snorkelling surveys within FPAs, along the bordering transition zones, and in more distant non‐protected areas of the lake that had similar habitats to the FPAs. In general, the FPAs yielded benefits that were most obvious (in terms of abundance and biomass) for the focal protected species (i.e. largemouth bass) as well as several shiner species. Largemouth bass and shiner abundance and biomass were highest in the FPA, lowest in the distant non‐protected areas, and intermediate in the transition zone. Species richness was also highest in the FPAs in two of the three lakes. Collectively, these results support the use of FPAs as a viable and effective conservation strategy that extends beyond simply limiting the exploitation of a target species. Beyond the benefits afforded to fish within the FPA, evidence of spillover in adjacent areas was also observed, which is promising. Additional research is needed on the effectiveness of FPAs in a variety of regions and water‐body types facing various threats in an effort to understand when, where and how to best use FPAs to benefit aquatic biodiversity.

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Fisheries-Induced Evolution

Cited by 295 publications

References 109 publications

Genetic architecture of age at maturity can generate divergent and disruptive harvest-induced evolution

Genetic architecture of age at maturity can generate divergent and disruptive harvest-induced evolution

Evolution of boldness and life history in response to selective harvesting

Evidence of fish spillover from freshwater protected areas in lakes of eastern Ontario

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