Lizards, toepads, and the ghost of hurricanes past

Huey, Raymond B.; Grant, Peter R.

doi:10.1073/pnas.2006297117

Proc. Natl. Acad. Sci. U.S.A.

2020

DOI: 10.1073/pnas.2006297117

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Lizards, toepads, and the ghost of hurricanes past

Raymond B. Huey

Peter R. Grant

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Cited by 5 publications

(7 citation statements)

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“…However, few studies have directly examined the evolutionary impact of severe climate events (Grant 2017; Grant et al. 2017; Huey and Grant 2020).…”

mentioning

confidence: 99%

“…For instance, hurricanes have induced morphological microevolution in the arboreal anole Anolis scriptus. Anoles with larger toe pads are better able to survive hurricanes because they can grip trees more tightly, allowing them to withstand more violent wind gusts (Donihue et al 2018); consequently, hurricanes have induced genetic changes in toe pad size (Donihue et al 2020;Huey and Grant 2020). As severe climate events become more frequent worldwide, there has been growing interest in their evolutionary consequences (Grant 2017;Grant et al 2017;Pruitt et al 2019;Huey and Grant 2020).…”

mentioning

confidence: 99%

“…As severe climate events become more frequent worldwide, there has been growing interest in their evolutionary consequences (Grant 2017;Grant et al 2017;Pruitt et al 2019;Huey and Grant 2020). However, few studies have directly examined the evolutionary impact of severe climate events (Grant 2017;Grant et al 2017;Huey and Grant 2020).…”

mentioning

confidence: 99%

“…Anoles with larger toe pads are better able to survive hurricanes because they can grip trees more tightly, allowing them to withstand more violent wind gusts (Donihue et al 2018); consequently, hurricanes have induced genetic changes in toe pad size (Donihue et al 2020;Huey and Grant 2020). As severe climate events become more frequent worldwide, there has been growing interest in their evolutionary consequences (Grant 2017;Grant et al 2017;Pruitt et al 2019;Huey and Grant 2020). However, few studies have directly examined the evolutionary impact of severe climate events (Grant 2017;Grant et al 2017;Huey and Grant 2020).…”

mentioning

confidence: 99%

“…2018); consequently, hurricanes have induced genetic changes in toe pad size (Donihue et al. 2020; Huey and Grant 2020). As severe climate events become more frequent worldwide, there has been growing interest in their evolutionary consequences (Grant 2017; Grant et al.…”

mentioning

confidence: 99%

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Morphological evolution reduces downstream displacement in juvenile landlocked salmon

Yamada

Wada

2021

Evolution

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Severe flooding often leads to downstream displacement of aquatic animals. Despite this, many salmonid populations persist in habitats located upstream of tall barriers, such as artificial check dams and/or natural waterfalls, that completely block fishes from returning to the upstream areas after flooding. The evolution of such populations may be affected by spatial sorting due to differential rates of downstream displacement. This study examined whether a morphological trait (increased body depth) that allows individuals to better maintain their position during flooding has evolved in juvenile amago salmon Oncorhynchus masou ishikawae inhabiting above-barrier habitats in two rivers. In both rivers, juveniles collected at the stations with multiple downstream barriers had deeper bodies than those collected at other stations. Similar differences were found in juveniles reared in a common-garden experiment. Field experiments with natural flooding also indicated that deep bodies help juveniles resist downstream displacement. These results consistently suggest that juveniles in some above-barrier habitats have evolved deep bodies to resist downstream displacement due to flooding. Our study is the first to show the evolutionary outcomes of passive spatial sorting during severe climate events.

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“…However, few studies have directly examined the evolutionary impact of severe climate events (Grant 2017; Grant et al. 2017; Huey and Grant 2020).…”

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Morphological evolution reduces downstream displacement in juvenile landlocked salmon

Yamada

Wada

2021

Evolution

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A Decade of Death and Other Dynamics: Deepening Perspectives on the Diversity and Distribution of Sea Stars and Wasting

Dawson,

Duffin,

Giakoumis

et al. 2023

The Biological Bulletin

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Phenotypic response to a major hurricane in Anolis lizards in urban and forest habitats

Avilés‐Rodríguez

Winchell

León

et al. 2021

Biological Journal of the Linnean Society

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Little is known about the synergistic impacts of urbanization and hurricanes on synanthropes. We compared morphological traits of the lizard Anolis cristatellus on Puerto Rico sampled before the 2017 category 5 Hurricane Maria and 4 and 11 months after the hurricane. We measured limb lengths, toepad size and the number of subdigital scales, termed lamellae, that facilitate adhesion. We hypothesized that the hurricane should have selected for longer limbs and larger toepads with more lamellae, which are traits that other research has suggested to increase clinging performance. Given prior work demonstrating that urban lizards of this species tend to share this phenotype, we also predicted increased phenotypic overlap between post-hurricane urban–forest pairs. Instead, we found that forest and urban populations alike had smaller body sizes, along with a small size-adjusted decrease in most traits, at 4 months after the hurricane event. Many traits returned to prehurricane values by 11 months post-hurricane. Toe morphology differed in the response to the hurricane between urban and forest populations, with significantly decreased trait values in forest but not in urban populations. This difference could be attributable to the different biomechanical demands of adhesion to anthropogenic substrates compared with natural substrates during intense winds. Overall, more research will be required to understand the impacts of hurricanes on urban species and whether differential natural selection can result.

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Lizards, toepads, and the ghost of hurricanes past

Cited by 5 publications

References 25 publications

Morphological evolution reduces downstream displacement in juvenile landlocked salmon

Morphological evolution reduces downstream displacement in juvenile landlocked salmon

A Decade of Death and Other Dynamics: Deepening Perspectives on the Diversity and Distribution of Sea Stars and Wasting

Phenotypic response to a major hurricane in Anolis lizards in urban and forest habitats

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