Point-center quarter method black spruce heights, diameter, and location for 150 mature black spruce sites in interior Alaska

This data set contains stand density measurements using the point-center quarter method at 150 extensive black spruce sites in interior Alaska collected in the summers of 2000, 2001, 2002 across the interior of Alaska along the Taylor highway, Alaska highway, Parks highway, Elliot highway, Steese highway, and Dalton highway.

本数据集包含2000年、2001年、2002年夏季，在阿拉斯加内陆地区沿泰勒公路、阿拉斯加公路、公园公路、埃利奥特公路、斯蒂斯公路及道尔顿公路沿线的150处分布广泛的黑云杉（black spruce）样地中，采用点中心四分法（point-center quarter method）测得的林分密度（stand density）测量数据。