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Activity Number: 24 - Assisting Natural Resource Agencies with Improved Inferences on Ecological Processes
Type: Topic Contributed
Date/Time: Sunday, July 29, 2018 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistics and the Environment
Abstract #328360 Presentation
Title: Methods for Estimating Trend in Indicators Monitored with Complex Survey Designs
Author(s): Leigh Starcevich*
Companies: Western EcoSystems Technology Inc. (WEST)
Keywords: complex survey design; trend analysis; design weight; revisit design; panel design

Natural resource agencies are tasked with monitoring outcomes of interest over time, often across vast and challenging landscapes within narrow sampling windows and with limited sampling resources. Complex sampling designs provide inference to the target population while incorporating design features such as stratification and cluster sampling for statistical and practical efficiency. Temporal panel designs allocate randomly-selected sites across time to optimize effort in both time and space. In this research, the impacts of sampling design weights and temporal revisit designs on trend analysis using linear mixed and generalized linear mixed models are explored for ecological monitoring data.

Authors who are presenting talks have a * after their name.

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