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| MOVEMENTS OF BROODS 
TABLE OF CONTENTS 
INTRODUCTION 2. «© ee we ec ew 
THE STUDY AREA . 2 « « ¢ 
General Description .. ‘ : ; , : : 
Water Areas . eee eee3eee8ee 
The Pothole Types .. ee e 
Vertebrate Species Found in Potholes 
Factors Affecting Vegetation Types . 
METHODS OF STUDY « ee ee ec eevee 
Relative Mobility of Species . . « « « « 
Population Fluctuation as Evidence of Movement 
POTHOLE PREFERENCE AND FACTORS INFLUENCING MOVEMENT 
Observed Movements of Individual Broods 
THE RATE OF MORTALITY AND DISPERSION OF BROODS . . 
Mortality. eoevoecereoeeoeeee ee eee 
Dispersion of Broods «eeeceesvesercecvee 
THE PRODUCTIVITY OF THE ARFA «oe ee ee eo eee oe 
POTHOLE PREFERENCES OF BREEDING ADULTS AND FLYING YOUNG. 
The Use of Potholes by Breeding Pairs 
The Distribution of Nests 
The Use of Water Areas by Flying Young « « « 0 « « « 
DISCUSSION 
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The Interspersion of Pothole Types ««ecocecervee 
Implications of Brood Movement and Drying-up of Potholes 
Suggestions for Management . «oc ececcce ee eeee 
SUMMARY 
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LITERATURE CITED «ee ee eo eee eee enone eee eo ee 
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