Resource Allocation and Allometry of Plant Growth in the Arctic

This data set is comprised of several sets of data from Toolik Lake, Alaska. They are part of the the International Tundra Experiment (ITEX) project investigating Key Constraints on Change and Predictability of the Arctic System. Trace gas data include: Net Ecosystem Production (NEP), Ecosystem Respiration (ER) and methane emissions measured in fertilized, warmed and control plots in 3 tundra types at Toolik Lake, from 1991 to 1993; soil respiration measured in treatment plots in moist acidic and non-acidic tundra in 2000; NEP and ER, plus soil temperature, soil moisture and vegetation descriptions for the ITEX flux survey plots, 2003 to 2006. ITEX data include measurements made at Toolik Lake and Imnavait Creek, at Abisko in northern Sweden, in Adventdalen, Svalbard and in Zackenberg valley, northeast Greenland. The data are available through the Arctic Long Term Ecological Research Site (LTER) and a link to their web site for downloading the trace gases data is below.

本数据集包含来自阿拉斯加州图利克湖（Toolik Lake）的多组数据。这些数据隶属于国际冻原实验（International Tundra Experiment, ITEX）项目，该项目聚焦于探究北极系统变化与可预测性的关键制约因素。痕量气体相关数据包括：1991年至1993年，在图利克湖3类冻原的施肥、增温及对照样地中测定的净生态系统生产力（Net Ecosystem Production, NEP）、生态系统呼吸（Ecosystem Respiration, ER）与甲烷排放数据；2000年，在湿润酸性与非酸性冻原的处理样地中测得的土壤呼吸数据；以及2003年至2006年，针对ITEX通量调查样地采集的NEP、ER数据，同步记录的土壤温度、土壤湿度与植被描述信息。ITEX项目的实测数据覆盖图利克湖、伊姆纳维特溪（Imnavait Creek）、瑞典北部阿比斯库（Abisko）、斯瓦尔巴群岛的阿德恩达伦（Adventdalen）以及格陵兰东北部的扎肯贝格谷（Zackenberg valley）。本数据集可通过北极长期生态研究站点（Arctic Long Term Ecological Research Site, LTER）获取，下方附有痕量气体数据的下载网站链接。