Model-based time-series analysis of FIA panel data absent re-measurements / Raymond L. Czaplewski and Mike T. Thompson.

Author/creator Czaplewski, Raymond L. author.
Other author Thompson, Michael T. author.
Other author Rocky Mountain Research Station (Fort Collins, Colo.), issuing body.
Format Electronic
PublicationFort Collins, CO : United States Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2013.
Description1 online resource (13 pages) : illustrations (some color).
Supplemental Contenthttps://purl.fdlp.gov/GPO/gpo61610
Subjects

Variant title Model-based time-series analysis of Forest Inventory and Analysis panel data absent re-measurements
SeriesResearch paper RMRS ; RP-102WWW
Research paper RMRS RP-102 WWW. ^A425304
Summary An epidemic of lodgepole pine (Pinus contorta) mortality from the mountain pine beetle (Dendroctonus ponderosae) has swept across the Interior West. Aerial surveys monitor the areal extent of the epidemic, but only Forest Inventory and Analysis (FIA) field data support a detailed assessment at the tree level. Dynamics of the lodgepole pine population occur at a more rapid rate than the FIA 10-year re-measurement cycle. A model-based approach links population-level estimates from each annual FIA panel estimate. A simple multivariate model predicts the statewide rates of annual change among live uninfected trees, live infected trees, mortality trees, and standing dead trees. A multivariate weighted sum of panel estimates and model predictions of the same attributes improve estimates for each year. Biological structure incorporated into the model improves logical consistency among the various categories of tree-level estimates and smooths annual fluctuations caused by random sampling error. We present concepts in simple terms and illustrate results with FIA data from 2002 to 2008.
General noteTitle from Web page (viewed on Nov. 6, 2013).
General note"May 2013."
Bibliography noteIncludes bibliographical references (page 13).
GPO item number0083-B (online)
Govt. docs number A 13.78:RMRS-RP-102 WWW

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