What is the forest inventory assessment?
Forest Inventory & Analysis FIA reports on status and trends in forest area and location; in the species, size, and health of trees; in total tree growth, mortality, and removals by harvest; in wood production and utilization rates by various products; and in forest land ownership.
What is a forest inventory report?
Forest inventory is the systematic collection of data and forest information for assessment or analysis. A forest can be cruised to visually assess timber and determine potential fire hazards and the risk of fire. The results of this type of inventory can be used in preventive actions and also awareness.
What is forest inventory and mensuration?
A forest inventory is now commonly conceived as a multipurpose forest inventory with the contribution of expertise from different fields such as sampling theory, surveying, information technology, remote sensing, social science, mensuration and modelling to assess the multiple functions of forests and trees.
What is an urban forest inventory?
Urban forest managers use the inventory to periodically review trees that have been identified as hazards. As a management tool, the inventory enables aggregation of individual tree data to provide information about a population of trees—also known as the urban forest.
How do you collect forest inventory data?
The data are collected from two sources: (1) Measurements of the forests and trees outside the forests; and (2) Interviews with forest users and other people who are knowledgeable of the area. Measurement examples to be mentioned may be: tree diameter and height, as well as forest species composition.
Why do we conduct forest inventory?
ABSTRACT: The mission of the Forest Inventory and Analyis (FIA) program of the Forest Service, U.S. Department of Agriculture, is to conduct the national forest inventory of the United States of America for purposes of estimating the area of forest land; the volume, growth, and removal of forest resources, and the …
How do you conduct a tree inventory?
The process to conduct a tree inventory can be divided into four phases: planning, implementation, application, and maintenance….Implementation
- Training people for gathering data.
- Collect data and check accuracy of data collectors.
- Input and maintain data in a computer or GIS system.
What are the 4 key variables of field data required for an i tree eco project?
The Creating a New Project window will appear. It asks you for the location of four required databases (Species, Location, Input, and Report) and three optional images (Land Cover, Impervious Cover, and Tree Cover) to be used for mapping results.
What is the purpose of interview in forest inventory?
It will provide important information on both the variables (what forest and tree resource uses, who uses what, where, etc.) and the logistics on how the field crew can access the tract.
What is forest inventory describe its major types?
They include regional inventories (portions of the country area); reconnaissance inventories (rough insights of forest resources in a limited area); diagnostic sampling to orient silviculture and forest management; exploitation surveys (focused at assessing harvestable timber availability and planning of harvest and …
How long does a tree inventory take?
It took five months to complete the street tree inventory with students working part time. This left sufficient time and money to complete the inventory of all city property including city parks. In all, 6,749 trees were inventoried.
How do you collect data from a tree?
The most inexpensive and simplest method of data collection is to gather and send volunteers out to record tree information with paper and pen. The data collected by the volunteers can then be entered into a spreadsheet.