Small-scale and reconnaissance surveys

By: , and 
Edited by: Jonathan Bart and Victoria Johnston

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Abstract

This brief chapter addresses two related issues: how effort should be allocated to different parts of the sampling plan and, given optimal allocation, how large a sample will be required to achieve the PRISM accuracy target. Simulations based on data collected to date showed that 2 plots per cluster on rapid surveys, 2 intensive camps per field crew-year, 2-4 intensive plots per intensive camp, and 2-3 rapid surveys per intensive plot is the most efficient allocation of resources. Using this design, we investigated how crew-years should be allocated to each region in order to meet the PRISM accuracy target most efficiently. The analysis indicated that 40-50 crew-years would achieve the accuracy target for 18-24 of the 26 species breeding widely in the Arctic. This analysis was based on assuming that two rounds of surveys were conducted and that a 50% decline occurred between them. We discuss the complexity of making these estimates and why they should be viewed as first approximations.

Additional publication details

Publication type Book chapter
Publication Subtype Book Chapter
Title Small-scale and reconnaissance surveys
Year Published 2012
Language English
Publisher University of California Press
Publisher location Berkeley, CA
Contributing office(s) Forest and Rangeland Ecosystem Science Center
Description 15 p.
Larger Work Type Book
Larger Work Subtype Monograph
Larger Work Title Arctic shorebirds in North America: a decade of monitoring
First page 141
Last page 155
Online Only (Y/N) N
Additional Online Files (Y/N) N