Plant community composition in the International Tundra Experiment (ITEX) plots at Barrow and Atqasuk, 2014, 2017

The data presented were collected on the second summer of the experiment, in 2000, during summers of 2007 or 2008, 2012, and 2017 for 48 plots (24 experiment open-top chamber plots and 24 control plots) at four sites (Atqasuk Wet Meadow, Atqasuk Dry Heath, Barrow Wet Meadow, and Barrow Dry Heath) and 2014 for 8 plots (4 control and 4 experimental) at two sites (Barrow Dry Heath and Atqasuk Dry Heath).

本数据集的采集工作涵盖多个时段：实验的第二个夏季（2000年），以及2007、2008、2012与2017年的夏季。其中2000年及后续四个年份的采样针对48个样地（24个开顶箱（Open-Top Chamber, OTC）实验样地与24个对照样地），布设点位包括4个站点：阿特卡苏克湿草甸、阿特卡苏克干石南灌丛、巴罗湿草甸、巴罗干石南灌丛；2014年的采样则针对2个站点（巴罗干石南灌丛、阿特卡苏克干石南灌丛）的8个样地（4个对照样地与4个实验样地）开展。