Shell trace elemental fingerprints of the deep-sea methane seep mussel <em>Gigantidas Childressi</em> vary by depth, site, and growth region
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Larval dispersal is a key driver of population persistence and resilience of marine metapopulations and communities. Determining where and how larvae disperse in the deep sea is one of the most vexing challenges in deep-sea ecology. We used laser ablation inductively coupled plasma mass spectrometry to evaluate the potential role of trace elemental fingerprints (TEFs) of the deep-sea methane seep mussel Gigantidas childressi (n = 92 valves) in discriminating among collection depths, geographic regions (Gulf of Mexico and West Atlantic Margin; GOM and WAM), methane seep sites, and shell growth regions. A priori permutational analyses of variance (PERMANOVA) discriminated among mussel valve TEFs across a depth gradient (650 m to 2206 m), among eight methane seep sites, and among shell growth regions. A priori canonical analyses of principal coordinates (CAP) generally matched PERMANOVA results and additionally discriminated TEFs among geographic regions. Results for post-ho..., , # Data from: Shell trace elemental fingerprints of the deep-sea methane seep mussel *Gigantidas Childressi* vary by depth, site, and growth region Dataset DOI: [10.5061/dryad.wh70rxx2q](https://doi.org/10.5061/dryad.wh70rxx2q) ## Description of the data and file structure For improved formatting of this README, open the README.txt file in the main data folder. ### Files and variables #### File: igrace_dsr1_dryad_data_1-23-26.zip **Description:**Â File organization structure within the master folder igrace_dsr1_dryad_data folder is described below Notes ``` For MATLAB programs, see commented description at the top of each program (or in PDF). All MATLAB programs can be executed on an external computer; simply point the program to igrace_dsr1_dryad_data folder using the built-in prompt that appears upon running the program For detailed data reduction and statistical analysis methodology, see Supplemental Material ``` igrace_dsr1_dryad_data folder ``` under_described_param...,
