Sea urchin test diameters obtained by SCUBA collections at shallow nearshore sites along the North Pacific Rim from Bering Island to Southeast Alaska during 1987-2021

The data consist of test diameters of sea urchins collected from quadrats from over 600 nearshore rocky bottom sites that were sampled by scuba between 1987 and 2021....本数据集涵盖1987年至2021年间，通过水肺潜水对600余个近岸岩底采样点内的样方采集得到的海胆壳径测量数据。