Matrix of taxon by sample for hard substrates collected by HOV Alvin during R/V Atlantis cruise AT37-13 and AT42-03 in the Pacific margin of Costa Rica in 2017 and 2018.

<p>Matrix of taxon (columns) by sample (rows) for substrates collected during AT 37-13.&nbsp;Samples were collected with HOV Alvin.</p>本数据集为AT 37-13航次采集的底物样本构建了以样本为行、分类单元（taxon）为列的矩阵。所有样本均由HOV阿尔文号载人深潜器采集获取。