Held February 3 to 5 1947 in San Antonio, Texas

Contents

PART I - GENERAL SESSIONS

Wildlife and the Land

FORMAL OPENING, Ira N. Gabrielson, Frederic C. Walcott, Howard D. Dodgen

WILDLIFE CONSERVATION IN MEXICO IS AN EDUCATIONAL PROBLEM, Luis Macias A.

WILDLIFE CONDITIONS IN CANADA, Harrison F. Lewis

WATERSHEDS AND NATIONAL FORESTS, Lyle F. Watts

AMERICAN WILDLIFE AND THE LAND, Hugh H. Bennett

WILDLIFE CONSERVATION IN THE POSTWAR WORLD, Albert M. Day

WAKE UP, AMERICA!, Melvin O. Steen

Is Wildfowling on the Way Out?

INTRODUCTORY REMARKS, Harold Titus

WILDFOWLING CAN BE SAVED, Charles E. Gillham

THE EFFECT OF CONCENTRATED HUNTING PRESSURE ON WATERFOWL BREEDING STOCK, H. Albert Hochbaum

WILDFOWLING IS NOT NECESSARILY ON THE WAY OUT, John H. Baker

WATERFOWL AT THE CROSSROADS, Clarence Cottam

Is Wildlife Education Getting Results?

INTRODUCTORY REMARKS, Douglas E. Wade

MORE PUBLIC KNOWLEDGE-LESS HIGH DAMS, Charles E. Jackson

PROFESSIONAL OPPORTUNITIES IN THE FISH AND WILDLIFE FIELD, David B. Turner

TEXAS EXTENSION WILDLIFE PROGRAM AND SOME RESULTS, R. E. Callender

SIGNPOSTS OF SUCCESS, Roberts Mann

Wildlife and Business

CONSERVATION DAY PLEDGE CEREMONY, Carl D. Shoemaker

ECONOMIC IMPORTANCE OF THE FUR INDUSTRY, G. Donald Gibbons

ECONOMIC AND HUMAN PSYCHOLOGY IN WATER POLLUTION, Kenneth A. Reid

CONSERVATION OF PACIFIC COAST COMMERCIAL FISHERIES, W. F. Thompson

THIS WILDLIFE BUSINESS, Newton B. Drury

THE CONTEST FOR WESTERN PUBLIC GAME FIELDS, J. V. K. Wagar

PART II - TECHNICAL SESSIONS

Wildlife of Grasslands and Forests

THE ROLE OF BRUSH CONTROL IN HABITAT IMPROVEMENT ON THE ARANSAS NATIONAL WILDLIFE REFUGE, Harold L. Blakey

RANGE USE OF THE PRONGHORNED ANTELOPE IN WESTERN TEXAS, Helmut K. Buechner

NINE-YEAR OBSERVATION OF A DEER PROBLEM AREA, Arthur S. Einarsen

PLANNING OF MANAGEMENT PROGRAMS FOR WESTERN BIG-GAME HERDS, D. I. Rasmussen and Everett R. Doman

RELATIONSHIP OF WEATHER TO WINTER MORTALITY AND POPULATION LEVELS AMONG DEER IN THE ADIRONDACK REGION OF NEW YORK, C. W. Severinghaus

RANGE COMPETITION BETWEEN MULE DEER, BIGHORN SHEEP, AND ELK IN JASPER PARK, ALBERTA, Ian McTaggart Cowan

Inland Fisheries and Fresh-Water Areas

BOTULISM CONTROL BY WATER MANIPULATION, Charles C. Sperry

THE MANAGEMENT OF FRESH-WATER FISHERIES IN TEXAS, Marion Toole

HOW CAN WE PROVIDE MORE SUCCESSFUL FISHING TRIPS IN THE SOUTHEAST?, Willis King

MAINTENANCE OF ANGLING IN CALIFORNIA, A. C. Taft

A TEN-YEAR MANAGEMENT PROGRAM ON AN EAST TEXAS LAKE, J. K. G. Silvey and B. B. Harris

FISH MANAGEMENT - A SUBSTITUTE FOR NATURAL PREDATION, George W. Bennett

New Techniques in Wildlife Management

GAME WATERING DEVICES FOR THE ARID SOUTHWEST, Ben Glading

SOME NEW TECHNIQUES - HOOFED MAMMALS, Walter P. Taylor

REVIEW OF NEW TECHNIQUES - FUR BEARERS AND OTHER SMALL ANIMALS, Charles T. Vorhies

REVIEW OF NEW TECHNIQUES - GALLINACEOUS BIRDS, lrven 0. Buss

REVIEW OF NEW TECHNIQUES - WATERFOWL, Jessop B. Low

THE EFFECTS OF AMMONIUM SULFAMATE ON EMERGENT AQUATIC VEGETATION, Aden C. Bauman

Marine Fisheries and Ocean Areas

ON THE FISHERIES RESOURCES OF THE CENTRAL PACIFIC, Wilbert Mcleod Chapman

THE LAGUNA MADRE OF TEXAS, Joel W .. Hedgpeth

SOME PROBLEMS OF MARINE FISHERY BIOLOGY, Lionel A. Walford

PRESENT EELGRASS CONDITION AND PROBLEMS ON THE ATLANTIC COAST OF NORTH AMERICA, Clarence Cottam

SALINITY AS A FACTOR IN ATLANTIC COAST TIDEWATER MUSKRAT PRODUCTION, Herbert L. Dozier

IMPERATIVE NEED FOR GULF OF MEXICO PELAGIC FISHERY INVENTORY, James Nelson Gowanloch

Wildlife and Land-Use Concepts

WET LAND - HOW IT SHOULD BE USED, Wallace L. Anderson

WILDLIFE AND THE NATIONAL PARK LAND-USE CONCEPT, Victor H. Cahalane

STATUS OF MEXICAN BIG GAME HERDS, A. Starker Leopold

NEW TECHNIQUES FOR BREEDING GROUND SURVEYS, Lyle K. Sowls

THE FUTURE OF WILDLIFE IN FOREST LAND USE, Ralph T. King

A POWER COMPANY'S STAKE IN WILDLIFE, Walter G. Gumbel

Wildlife of Farm and Ranches

COTTONTAIL MANAGEMENT IN IOWA, George 0. Hendrickson

THE PHEASANT DECLINE AND LAND-USE TRENDS, 1941-1946, Daniel L. Leedy and Eugene H. Dustman

MARYLAND'S COOPERATIVE FARM-GAME PROGRAM WITH SOIL CONSERVATION DISTRICTS, Malcolm E. King

REVIEWING EIGHT-YEARS' OPERATION OF A WILDLIFE EXPERIMENT STATION, Harry D. Ruhl

SEASONAL MOVEMENTS OF THE BLUE GROUSE, Leonard Wing

A BOBWHITE QUAIL IRRUPTION IN NORTHWEST TEXAS LOWER PLAINS TERMINATED BY PREDATION, Alfred S. Jackson

THE HOOF AND MOUTH DISEASE, I. B. Boughton

SUMMARIZATION OF THE TWELFTH NORTH AMERICAN WILDLIFE CONFERENCE, Aldo Leopold

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.