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Publication Information

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Title: The improvement of precision for estimating the abundance of standing dead trees using auxiliary information under the FIA pot design

Author: An, Hong Su; MacFarlane, David W.; Woodall, Christopher W.;

Date: 2012

Source: In: Morin, Randall S.; Liknes, Greg C., comps. Moving from status to trends: Forest Inventory and Analysis (FIA) symposium 2012; 2012 December 4-6; Baltimore, MD. Gen. Tech. Rep. NRS-P-105. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. [CD-ROM]: 338-341.

Publication Series: Paper (invited, offered, keynote)

   Note: This article is part of a larger document. View the larger document

Description: Standing dead trees are an important component of forest ecosystems. However, reliable estimates of standing dead tree population parameters can be difficult to obtain due to their low abundance and spatial and temporal variation. After 1999, the Forest Inventory and Analysis (FIA) Program began collecting data for standing dead trees at the Phase 2 stage of sampling. However, the estimates have relatively large variations compared to the estimates of live trees. The results represent that EZ-Hurdle method shows better precision than the FIA method for both spatial patterns and densities of standing dead trees.

Keywords: statistics, estimation, sampling, modeling, remote sensing, forest health, data integrity, environmental monitoring, cover estimation, international forest monitoring

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Citation:


An, Hong Su; MacFarlane, David W.; Woodall, Christopher W. 2012. The improvement of precision for estimating the abundance of standing dead trees using auxiliary information under the FIA pot design. In: Morin, Randall S.; Liknes, Greg C., comps. Moving from status to trends: Forest Inventory and Analysis (FIA) symposium 2012; 2012 December 4-6; Baltimore, MD. Gen. Tech. Rep. NRS-P-105. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. [CD-ROM]: 338-341.

 


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