Held March 14 to 16 1955 in Montreal, Quebec

Contents

PART I - GENERAL SESSIONS

Twenty Years of Resource Progress?

FORMAL OPENING, Ira N. Gabrielson

INTRODUCTORY REMARKS, A. W. Trueman

CANADA WELCOMES THIS RESOURCES CONFERENCE, The Honorable Jean Leasage

OUR RESOURCE ESTATE: WHY CONSERVE IT?, Paui M. Dunn

PROGRESS IN SOIL CONSERVATION, J. S. Russell

TWENTY YEAR OF PROGRESS IN WATER MANAGEMENT, Edward A. Ackerman

TWENTY YEARS OF PROGRESS IN FORESTRY AND RANGE MANAGEMENT, J. V. K. Wagar

PROGRESS IN WILDLIFE RESEARCH AND TRAINING, Clarence Cottam

Current Problems and Future Needs

INTRODUCTORY REMARKS, Frank L. Campbell

RESEARCH - A KEY TO IMPROVED RESOURCE MANAGEMENT, Keith R. Kelson

PUBLIC UNDERSTANDING OF RESOURCE VALUES, Katharine Jackson

RESEARCH - ARE WE USING WHAT WE KNOW?, Bernard L. Orell

FUTURE POPULATION DEMANDS, William Vogt

DO RESOURCE PROGRAMS MEET PEOPLE'S NEEDS?, Stephen Raushenbush

Waterfowl Flyway Management Problems

INTRODUCTORY REMARKS, Angus Gavin

WHEREFORE FLYWAY COUNCILS!, T. A. McAmis

SOCIAL SECURITY FOR MR. DUCK, Ernest Swift

CANADA'S PLACE IN FLYWAY MANAGEMENT, David A. Munro and J. Bernard Gollop

IS THERE SCIENTIFIC BASIS FOR FLYWAY MANAGEMENT?, Joseph J. Hickey

CROP INSURANCE AGAINST WATERFOWL DEPREDATIONS, E. L. Paynter

PART II - TECHNICAL SESSIONS

Disease, Nutrition, and Controls

CAUSES OF WINTER LOSSES AMONG CANADA GEESE, C. M. Herman, J. H. Steenis, and E. E. Wehr

THE ROLE OF FOOD AND COVER IN POPULATION FLUCTUATIONS OF THE BROWN LEMMING AT POINT BARROW, ALASKA, Daniel Q. Thompson

REDUCTION OF ADRENAL WEIGHT IN RODENTS BY REDUCING POPULATION SIZE, John J. Christian and David E. Davis

CHEMICALS AND WILDLIFE - AN ANALYSIS OF RESEARCH NEEDS, Robert L. Rudd and Richard E. Genelly

HYDATID DISEASE IN SASKATCHEWAN BIG GAME, T. A. Harper, R. A. Ruttan, and W. A. Benson

A PRELIMINARY EVALUATION OF QUAIL MALARIA IN SOUTHERN ARIZONA IN RELATION TO HABITAT AND QUAIL MORTALITY, Charles R. Hungerford

SOME NEW PHEASANT DISEASES IN CALIFORNIA, Merton N. Rosen and William J. Mathey, Jr.

Wetlands and Inland Water Resources

INCREASING SUMMER STREAMFLOW, Kenneth A. Reid

TROUT MANAGEMENT RESEARCH IN ALBERTA, Richard B. Miller

MANAGEMENT OF QUEBEC TROUT LAKES, Gustave Prevost

THE EFFECT OF DRAWDOWNS ON LAKE TROUT REPRODUCTION AND THE USE OF ARTIFICIAL SPAWNING BEDS, N. V. Martin

FISH CULTURES FOR AGRICULTURAL WATERS, Verne E. Davison

SOME EVIDENCES OF HOME RANGE IN WATERFOWL, Alex Dzubin

FLUOROSCOPIC MEASURES Of HUNTING PRESSURE IN EUROPE AND NORTH AMERICA, William H. Elder

Upland Game Resources

IS THE HEN PHEASANT A SACRED COW?, J. Burton Lauckhart

ACORN YIELDS AND WILDLIFE USAGE IN MISSOURI, Donald M. Christi◊en and Leroy J. Korschgen

ANALYSIS OF PHEASANT AGE RATIOS, Lee Eberhardt and Ralph I. Blouch

AGE, BREEDING BEHAVIOR AND MIGRATION OF SOOTY GROUSE, James F. Bendell

IMPLICATIONS OF SOCIAL BEHAVIOR IN GRAY SQUIRREL MANAGEMENT, V. F. Flyger

THE STRIP INTERSECT CENSUS, Paul Moore

THE CONTROVERSIAL SAN JUAN RABBIT, Roger M. Latham

Marine, Coastal, and Fur Resources

STUDIES ON CANADIAN ATLANTIC SALMON, P. F. Elson and C. J. Kerswili

PROBLEMS OF PACIFIC SALMON MANAGEMENT, Ferris Neave and R. E. Foerster

PLANNING ANADROMOUS FISH PROTECTION FOR PROPOSED DAMS, W. R. Hourston, C. H. Clay, L. Edgeworth, P. A. Larkin, E. H. Vernon, and R. G. McMynn

GROUNDFISH STOCKS OF THE WESTERN NORTH ATLANTIC, Wilfred Templeman

PHYSIOLOGICAL INVESTIGATION OF CAPTIVITY MORTALITY IN THE SEA OTTER, Donald E. Stullken and Charles M. Kirkpatrick

GROWTH RATES AND AGE DETERMINATION IN ALASKAN BEAVER, John L. Buckley and W. L. Libby

UTILIZATION OF ATLANTIC HARP SEAL POPUATIONS, H. D. Fisher

Big Game Resources

AN AERIAL SURVEY TECHNIQUE FOR NORTHERN BIG GAME, A. W. F. Banfield, D. R. Flook, J. P. Kelsall, and A. G. Loughrey

SOIL SURVEYS FOR GAME-RANGE DEVELOPMENT, F. P. Cronemiller

MANAGEMENT OF WHITE-TAILED DEER AND PONDEROSA PINE, George Neils, Lowell Adams, and Robert M. Blair

BARREN-GROUND CARIBOU MOVEMENTS IN THE CANADIAN ARCTIC, John P. Kelsall

INCREASED NATALITY RESULTING FROM LOWERED POPULATION DENSITY AMONG ELK IN SOUTHEASTERN WASHINGTON, Helmut K. Buechner and Carl V. Swanson

FACTORS INFLUENCING MULE DEER ON ARIZONA BRUSHLANDS, William R. Hanson and Clay Y. McCulloch

THE CONCEPT OF CARRYING CAPACITY, R. Y. Edwards and C. David Fowle

Conservation Information Opportunities

LET'S USE RADIO, Wilbur D. Stites

LET'S USE TELEVISION, James R. Harlan

WHAT'S WRONG WITH STATE CONSERVATION MAGAZINES?, Frank Gregg

CONSERVATION EDUCATION IN THE NORTHWEST, William W. Huber

THE SOUTH IS WORKING ON ITS PROBLEMS, Rose E. Fleming

SELLING CONSERVATION BY CONFERENCE, D. B. Turner

TEACHING FIREARMS SAFETY IN PUBLIC SCHOOLS, John E. Dodge

THE CHALLENGE WE TAKE - Appraisal of the 20th North American Wildlife Conference, Ian McTaggart Cowan

ACKNOWLEDGMENT OF APPRECIATION, C. R. Gutermuth

Published annually since 1915, the Transactions of the North American Wildlife and Natural Resources Conference provide a unique and informative record of the direction and momentum of professional natural resource management. Tracking current research and management emphases and the perspectives and approaches to meeting the challenges to sustaining and conserving North America's wildlife and their habitats, the Transactions is a valuable reference for all who deal with the complexities and intricacies of natural resource issues, policies and programs.