JSM 2005 Online Program

Abstract #304315

This is the preliminary program for the 2005 Joint Statistical Meetings in Minneapolis, Minnesota. Currently included in this program is the "technical" program, schedule of invited, topic contributed, regular contributed and poster sessions; Continuing Education courses (August 7-10, 2005); and Committee and Business Meetings. This on-line program will be updated frequently to reflect the most current revisions.

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Activity Number:	147
Type:	Contributed
Date/Time:	Monday, August 8, 2005 : 10:30 AM to 12:20 PM
Sponsor:	General Methodology
Abstract - #304315
Title:	Sampling Excluding Units in Species Diversity Study
Author(s):	Kyoungah See*+ and A. John Bailer and Tom Crist
Companies:	Miami University and Miami University and Miami University
Address:	123 Bachelor Hall, Oxford, OH, 45056, United States
Keywords:	Relative efficiency ; Sampling excluding neighboring units.
Abstract:	Ecological studies frequently involve work in spatially constrained settings, as well as laborious or expensive data collection. In this paper, we consider sampling plans designed to generate samples representing population abundance while avoiding the selection of units providing essentially redundant information. Further, we investigate whether the use of these plans allows the use of smaller sample sizes while providing adequate estimations. Assuming sampling plots that are physically close might be more similar than distant plots, we employ plans that have the property of avoiding the simultaneous selection of units that are, in some sense, neighbors. The efficiencies of these sampling plans, as well as that of simple random sampling, are compared using the insect population datasets collected at Bachelor Reserve in Southern Ohio.

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