Abstract #300980

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JSM 2002 Abstract #300980
Activity Number: 124
Type: Luncheons
Date/Time: Monday, August 12, 2002 : 12:30 PM to 1:50 PM
Sponsor: Section on Statistics & the Environment*
Abstract - #300980
Title: Model-assisted and Design-based Sampling Approaches in Sampling of Natural Resources
Author(s): Loveday Conquest*+
Affiliation(s): National Research Center for Statistics and the Environment/University of Washington
Address: Campus Box 355020, University of Washington, Seattle, Washington, 98195-5020, USA
Keywords: natural resource management ; streamside studies ; sampling networks
Abstract:

An important issue for sampling of natural resources is that of optimising designs for population and process inference. Model-based designs can be optimized for process estimation while designs that are not model-based can be optimized for design-based objectives. These designs may be "in conflict" in the sense that it is unlikely that a single design will result in optimality for both strategies. However, model-assisted sampling techniques may provide a framework to build designs optimal to both objectives. This leads to the broader question of sampling approaches for multiple objectives in environmental and ecological sampling.

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Revised March 2002