Ecology 2050 Lab 2, Field Training With Plants

Ten adult Maple trees were located in the York University Woodlot area. An adult tree was considered over 12ft feet. A quantative analysis of the Maple diameter was obtained by measuring atape measure across the trunk at breast heigh tand recorded in inches. The canopy coverage of this each tree was determined by creating a square shape with our thumbs and index fingers and holding it up to the sky. The amount of canopy within this square was estimated. The nearest sapling Maple to the adult Maple tree was located and the distance was measured by placing a tape measure along the ground between both trees, the value was recorded in inches. The diameter of the sapling Maple was determined by placing the tape measure across the sapling trunk as close to the ground as possible, the value was recorded in inches.

本数据集的采样设置于约克大学林地（York University Woodlot）内，共选取10棵成年枫树（Maple）。成年树的判定标准为树高超过12英尺（ft）。通过将卷尺横跨树干胸高（breast height）位置，测得该枫树的树干直径并以英寸为单位记录，以此完成定量分析。每棵采样树的树冠覆盖率（canopy coverage）通过以下方式测定：用拇指与食指组成正方形框，将其举至天空，估算该框内的树冠覆盖量。找到每棵成年枫树附近距离最近的枫树苗（sapling Maple），沿地面铺设卷尺测量两树间的距离，结果以英寸为单位记录。枫树苗的直径则通过将卷尺紧贴地面处横跨树苗树干测得，结果以英寸为单位记录。