这类资料是评估价值量的基础，主要反映森林资源的数量和质量状况。

This type of data serves as the foundation for assessing the value, primarily reflecting the quantity and quality of forest resources.

调查成果与清单：最常用的是最新的森林资源规划设计调查（二类调查）成果，包括调查报告、小班卡片（或小班因子一览表）、林相图、森林分布图等。

Survey results and inventory: The most commonly used are the results of the latest forest resource planning and design survey (Type II survey), including survey reports, sub-compartment cards (or sub-compartment factor checklists), forest phase maps, forest distribution maps, etc.

专项调查资料：

Special survey data:

如果是即将采伐的林分，需提供伐区调查设计资料及审批手续。

If the forest stand is to be logged soon, it is necessary to provide the survey and design data of the logging area as well as the approval procedures.

如果是新造林地或有近期营林活动，需提供作业设计调查及验收材料。

If it is a newly planted forest land or there have been recent silvicultural activities, it is necessary to provide operation design survey and acceptance materials.

如果是经济林、竹林或苗圃，需提供品种、树龄、生长状况、年产量、苗木规格与数量等专项资料。

If it is an economic forest, bamboo forest, or nursery, special information such as variety, tree age, growth status, annual yield, and seedling specifications and quantity needs to be provided.

图面资料：包括林场小班地形图（通常比例尺为1:10000或1:25000）、山林权权属图等。

Graphic materials: including topographic maps of forest farm sub-compartments (usually with a scale of 1:10000 or 1:25000), forest ownership maps, etc.