TRAIL & LANDSCAPE 
Published by Editorial Address 
The Ottawa Field-Naturalists’ Club Fenja Brodo, Editor 
Box 3264, Station C 28 Benson Street 
Ottawa, Ont. Nepean, Ontario 
K1Y 4J5 K2F 5J5 
Volume 25 Number 1 January - March 
Table of C ontents 
Welcome, New Members. 2 
Respect for Our Environment. 3 
Bill Gummer and Roy John 
Thinking Like Trees. 5 
David Fraser 
Earthworms at Clyde Woods. 6 
Geof Burbidge 
Breeding Birds of the Marlborough Forest.7 
M. Austin, P. Hayes, L. L’Arrivee, C. Rogers & M. Williamson 
Air Pressure Effect on Water Level.14 
Jack Holliday 
The Chase.13 
Robert Nero 
OFNC Bird Feeders. 16 
Daniel Perrier 
Amherst Island Trip . 18 
Roy John 
Spring Thaw with Owl.18 
Robert Nero 
OFNC Fall Bird Count, 1990 
Coming Events. 
19 
23 
