Pennsylvania State Forest Mature Oak Stands

Forest stands on State Forest Land with the majority of the dominant and co-dominate trees greater than 12 inches diameter and classified as either a 1) AD:Dry-Oak-Mixed-Hardwood-Forest, 2) AH:Dry-Oak-Heath-Forest, or 3) AR:Red-Oak-Mixed-Hardwood-Forest. Includes both fully and understocked.本数据集收录国有林地上的林分，该类林分的绝大多数优势木与共优势木胸径大于12英寸，且可划分为以下三类：1) AD：干旱栎类混交硬叶林（Dry-Oak-Mixed-Hardwood-Forest），2) AH：干旱栎类-石楠灌丛林（Dry-Oak-Heath-Forest），3) AR：红栎混交硬叶林（Red-Oak-Mixed-Hardwood-Forest）。数据集同时包含满蓄林分与疏林两类林分。