Data from: Colonization and demographic expansion of freshwater fauna across the Hawaiian Archipelago

Description

It is widely accepted that insular terrestrial biodiversity progresses with island age because colonization and diversification proceed over time. Here we assess whether this principle extends to oceanic island streams. We examined range-wide mtDNA sequence variation in four stream-dwelling species across the Hawaiian archipelago to characterize the relationship between colonization and demographic expansion, and to determine whether either factor reflects island age. We found that colonization and demographic expansion are not related and that neither correspond to island age. The snail Neritina granosa exhibited the oldest colonization time (~2.713 mya) and time since demographic expansion (~282 kya), likely reflecting a preference for lotic habitats most prevalent on young islands. Conversely, gobioid fishes (Awaous stamineus, Eleotris sandwicensis and Sicyopterus stimpsoni) colonized the archipelago only ~0.411-0.935 mya, suggesting ecological opportunities for colonization in this group were temporally constrained. These findings indicate that stream communities form across colonization windows, underscoring the importance of ecological opportunities in shaping island freshwater diversity.,Sample and sequence data information for Awaous stamineusExcel file including sample data information for the 2229 cytochrome-b sequences (512bp) of Awaous stamineus from Hawaii analyzed in Alda et al. Sample ID, Year of collection, Watershed, Islands, Hawaiian Division of Aquatic Resources (DAR) Code, Sequence name.Awaous_stamineus_cytb_n2229.xlsxNexus file including 2229 cytochrome-b sequences (512bp) of Awaous stamineusNexus file including 2229 cytochrome-b sequences (512bp) of Awaous stamineus from Hawaii analyzed in Alda et al.Awaous_stamineus_cytb_n2229.nexSample and sequence data information for Eleotris sandwicensisExcel file including sample data information for the 497 cytochrome-b sequences (943bp) of Eleotris sandwicensis from Hawaii analyzed in Alda et al. Sample ID, Year of collection, Watershed, Islands, Hawaiian Division of Aquatic Resources (DAR) Code, Sequence name.Eleotris_sandwicensis_cytb_n497.xlsxNexus file including 497 cytochrome-b sequences (943bp) of Eleotris sandwicensisNexus file including 497 cytochrome-b sequences (943bp) of Eleotris sandwicensis from Hawaii analyzed in Alda et al.Eleotris_sandwicensis_cytb_n497.nexSample and sequence data information for Sicyopterus stimpsoniExcel file including sample data information for the 110 cytochrome-b sequences (430bp) of Sicyopterus stimpsoni from Hawaii analyzed in Alda et al. Sample ID, Year of collection, Watershed, Islands, Hawaiian Division of Aquatic Resources (DAR) Code, Sequence name.Sicyopterus_stimpsoni_cytb_n110.xlsxNexus file including 110 cytochrome-b sequences of Sicyopterus stimpsoni from Hawaii analyzedNexus file including 110 cytochrome-b sequences (430bp) of Sicyopterus stimpsoni from Hawaii analyzed in Alda et al.Sicyopterus_stimpsoni_cytb_n110.nexSample and sequence data information for Neritina granosaExcel file including sample data information for the 606 cytochrome-c oxidase I (578bp) of Neritina granosa from Hawaii analyzed in Alda et al. Sample ID, Year of collection, Watershed, Islands, Hawaiian Division of Aquatic Resources (DAR) Code, Sequence name.Neritina_granosa_coi_n606.xlsxNexus file including 606 cytochrome-c oxidase I of Neritina granosaNexus file including 606 cytochrome-c oxidase I (578bp) of Neritina granosa from Hawaii analyzed in Alda et al.Neritina_granosa_coi_n606.nexSample and sequence data information for Sicyopterus stimpsoniExcel file including sample data information for the 818 cytochrome-b sequences (612bp) of Sicyopterus stimpsoni from Hawaii analyzed in Alda et al. Sample ID, Year of collection, Watershed, Islands, Hawaiian Division of Aquatic Resources (DAR) Code, Sequence name.Sicyopterus_stimpsoni_coi_n818.xlsxNexus file including 818 cytochrome-b sequences of Sicyopterus stimpsoniNexus file including 818 cytochrome-b sequences (612bp) of Sicyopterus stimpsoni from Hawaii analyzed in Alda et al.Sicyopterus_stimpsoni_coi_n818.nex

Publication Date

1-1-2016

Publisher

DRYAD

DOI

10.5061/dryad.n21f4

Language

en

Document Type

Data Set

Identifier

10.5061/dryad.n21f4

Embargo Date

1-1-2016

Version

1

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