Steve Adamowicz for sharing his knowledge of and enthusiasm for saltmarshes and for time in the marshes, for access to his students’ work and for supreme hospitality and support on our field trips to the Maritimes.

Margaret Breithaupt for sampling several chapters and making valuable suggestions.

Dr. Tony Clevenger for sharing his information on remediation of wildlife mortality on the TransCanada in the Bow Valley.

Professor Larry Flanagan of the University of Lethbridge for sharing his knowledge of the boreal environments.

June Flanagan for her insight into book publishing and for her generous hospitality on our western field trips.

Adele Freeman, Ken Dion and Gord McPherson of the Toronto Region Conservation Authority for policy insights, sharing of techniques and native guiding in the GGH.

Robert Grandgam who guided Jeff Amos and shared his knowledge of the Peace-Athabasca Delta.

Professor Diana Hamilton and her students of Mount Allison University for sharing their knowledge of birds, amphipods and mudflats.

Mark Heaton of the Ontario Ministry of Natural Resources for sharing his knowledge of fish ladders and for guidance in the Humber watershed.

Dr. Kringen Henein for her fresh eyes and keen judgement in reviewing the completed work and suggesting many improvements.

Paul Merriam for patient counsel on information technology and for adaptation to the world wide web.

Professor John Middleton of Brock University for the insights of an ecologist into values of urban ecosystems.

Professor Marc-André Villard of the Université de Moncton for a wealth of maritime information, for precise guidance to the Semipalmated Sandpipers, for continued encouragement, for insightful suggestions and for hospitality and support on our Maritime field trips.