AUTHORS AND REVIEWERS 
The Global Change Assessment Staff, within the National Center for Environmental 
Assessment (NCEA), Office of Research and Development, was responsible for the conception 
and preparation of this report. This document has been prepared by the Environmental Law 
Institute in Washington, DC, under U.S. EPA Contract No. GS-10F-0330P. Britta Bierwagen 
served as the Technical Project Officer, providing overall direction and technical assistance, and 
contributing as an author. 
AUTHORS 
Environmental Law Institute 
Roxanne Thomas, Austin Kane, Kathryn Mengerink 
U.S. EPA 
Britta G. Bierwagen 
REVIEWERS 
This report benefited greatly from the comments and suggestions of the following 
reviewers. 
U.S. EPA Reviewers 
Joan Cabreza, Kristina McNyset, Gina Perovich, Paul Ringold, Christine Ruf 
Other Reviewers 
Pam Fuller (U.S. Geological Survey), Brian Helmuth (University of South Carolina), John 
Stachowicz (University of California, Davis) 
ACKNOWLEDGMENTS 
The authors thank the Global Change Assessment Staff in NCEA, particularly Susan 
Julius, for their input and advice. We also thank all the reviewers in state invasive species 
programs who corrected and augmented the information we collected for Appendix A. We very 
much appreciate their time and cooperation. The members of both workshops, held in June and 
October 2006 to discuss research needs and information gaps, also contributed greatly to the 
content of this report and we thank them for their time, ideas, and suggestions throughout this 
process. 
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