vii
Contents
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
v
Contributors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ix
1. Detecting Extinction in Sighting Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Andrew Solow and Thomas Helser
2. Inferring Threat from Scientific Collections: Power Tests and
an Application to Western Australian Acacia Species . . . . . . . . . . . . . . . . 7
Mark Burgman, Bruce R. Maslin, David Andrewartha, Marie R. Keatley,
Chris Boek, and Michael McCarthy
3. Identifying the Ecological Correlates of Extinction-Prone Species:
A Case Study of New Zealand Birds . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Brendan Moyle
4. Quantitative Methods for Modeling Species Habitat: Comparative
Performance and an Application to Australian Plants . . . . . . . . . . . . . . . 39
Jane Elith
5. Risk Assessment of a Proposed Introduction of Pacific Salmon in the
Delaware River Basin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Paul T. Jacobson
6. Likelihood of Introducing Nonindigenous Organisms with
Agricultural Commodities: Probabilistic Estimation . . . . . . . . . . . . . . . . 77
Michael J. Firko and Edward V. Podleckis
7. “Best” Abundance Estimates and Best Management: Why They Are
Not the Same . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Barbara L. Taylor and Paul R. Wade