Genomic data reveal similar genetic differentiation in aquifer species with different dispersal capabilities and life histories

Steve Jordan; Brian K. Hand; Scott Hotaling; Amanda G. Delvecchia; Rachel Malison; Clark Nissley; Gordon Luikart; Jack A. Stanford

doi:10.1093/biolinnean/blz173

Genomic data reveal similar genetic differentiation in aquifer species with different dispersal capabilities and life histories

Steve Jordan, Brian K. Hand, Scott Hotaling, Amanda G. Delvecchia, Rachel Malison, Clark Nissley, Gordon Luikart, Jack A. Stanford

Flathead Lake Biological Station

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Little is known about the life histories, genetic structure and population connectivity of shallow groundwater organisms. We used next-generation sequencing (RAD-seq) to analyse population genomic structure in two aquifer species: Paraperla frontalis (Banks, 1902), a stonefly with groundwater larvae and aerial (winged) adults; and Stygobromus sp., a groundwater-obligate amphipod. We found similar genetic differentiation in each species between floodplains separated by ∼70 river km in the Flathead River basin of north-west Montana, USA. Given that Stygobromus lacks the above-ground life stage of P. frontalis, our findings suggest that connectivity and the magnitude of genetic structure cannot be definitively assumed from life history differences.

Original language	English
Pages (from-to)	315-322
Number of pages	8
Journal	Biological Journal of the Linnean Society
Volume	129
Issue number	2
DOIs	https://doi.org/10.1093/biolinnean/blz173
State	Published - Jan 30 2020

Keywords

Amphipoda
Plecoptera
RAD-seq
aquifer ecosystem
groundwater fauna

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10.1093/biolinnean/blz173

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title = "Genomic data reveal similar genetic differentiation in aquifer species with different dispersal capabilities and life histories",

abstract = "Little is known about the life histories, genetic structure and population connectivity of shallow groundwater organisms. We used next-generation sequencing (RAD-seq) to analyse population genomic structure in two aquifer species: Paraperla frontalis (Banks, 1902), a stonefly with groundwater larvae and aerial (winged) adults; and Stygobromus sp., a groundwater-obligate amphipod. We found similar genetic differentiation in each species between floodplains separated by ∼70 river km in the Flathead River basin of north-west Montana, USA. Given that Stygobromus lacks the above-ground life stage of P. frontalis, our findings suggest that connectivity and the magnitude of genetic structure cannot be definitively assumed from life history differences.",

keywords = "Amphipoda, Plecoptera, RAD-seq, aquifer ecosystem, groundwater fauna",

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T1 - Genomic data reveal similar genetic differentiation in aquifer species with different dispersal capabilities and life histories

AU - Jordan, Steve

AU - Hand, Brian K.

AU - Hotaling, Scott

AU - Delvecchia, Amanda G.

AU - Malison, Rachel

AU - Nissley, Clark

AU - Luikart, Gordon

AU - Stanford, Jack A.

PY - 2020/1/30

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AB - Little is known about the life histories, genetic structure and population connectivity of shallow groundwater organisms. We used next-generation sequencing (RAD-seq) to analyse population genomic structure in two aquifer species: Paraperla frontalis (Banks, 1902), a stonefly with groundwater larvae and aerial (winged) adults; and Stygobromus sp., a groundwater-obligate amphipod. We found similar genetic differentiation in each species between floodplains separated by ∼70 river km in the Flathead River basin of north-west Montana, USA. Given that Stygobromus lacks the above-ground life stage of P. frontalis, our findings suggest that connectivity and the magnitude of genetic structure cannot be definitively assumed from life history differences.

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Genomic data reveal similar genetic differentiation in aquifer species with different dispersal capabilities and life histories

Abstract

Keywords

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