Peterson Tionesta coordinates 20 random subsets survivors

This is an Excel spreadsheet, containing 20 randomly chosen subsets of tree coordinates from the Tionesta site. These 20 subsets consist of coordinates of 380 randomly chosen trees to simulate the 380 observed standing (postdisturbance) trees at Tionesta; each subset is made up of a different random selection from among the 522 predisturbance trees. The first column lists the subset, and the second and third column give the x, y coordinates of a selected tree. The first column is integer data, and the second and third columns are decimal data. Coordinates are in m, from an arbitrary starting point in the southwest of the study site.本数据集为Excel表格，包含从蒂奥内斯塔（Tionesta）研究区选取的20个随机树木坐标子集。此20个子集总计涵盖380株随机选取树木的坐标，用于模拟该研究区观测到的380株灾后（postdisturbance）存活立木；每个子集均从522株灾前（predisturbance）树木中随机抽取不同的样本构成。表格第一列记录子集编号，为整数型数据；第二、第三列分别给出所选单株树木的x、y坐标，为十进制小数数据。坐标单位为米，以研究区西南角作为任意原点。