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Publication Information

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Title: Estimation on the First Cycle of the Annual Forest Inventory System: Methods, Preliminary Results, and Observations

Author: Hansen, Mark H.; Brand, Gary J.; Wendt, Daniel G.; McRoberts, Ronald E.

Date: 2001

Source: In: Reams, Gregory A.; McRoberts, Ronald E.; Van Deusen, Paul C., eds. 2001. Proceedings of the second annual Forest Inventory and Analysis symposium; 2000 October 17-18; Salt Lake City, UT. Gen. Tech. Rep. SRS-47. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp. 109-113

Publication Series: Not categorized

Description: The first year of annual FIA data collection in the North Central region was completed for 1999 in Indiana, Iowa, Minnesota, and Missouri. Estimates of timberland area, total growing-stock volume and growing-stock volume per acre are presented. These estimates are based on data from 1 year, collected at the base Federal inventory intensity, a lower intensity sample than previous periodic inventories conducted in these States. In the North Central region, plots are measured on a 5-year cycle (20 percent of the plots measured each year) at a base intensity of one plot per 5,937 ac. These first-year estimates, obtained from the 20 percent sample, are based on a sample intensity of one plot per 29,685 ac and, thus, have greater sampling variability than previous periodic inventories conducted by FIA.

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Hansen, Mark H.; Brand, Gary J.; Wendt, Daniel G.; McRoberts, Ronald E. 2001. Estimation on the First Cycle of the Annual Forest Inventory System: Methods, Preliminary Results, and Observations. In: Reams, Gregory A.; McRoberts, Ronald E.; Van Deusen, Paul C., eds. 2001. Proceedings of the second annual Forest Inventory and Analysis symposium; 2000 October 17-18; Salt Lake City, UT. Gen. Tech. Rep. SRS-47. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp. 109-113

 


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