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A Population Study of the Prairie Vole (Microtus o

================================================================== UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY

Volume 8, No. 6, pp. 361-416, 19 figures in text ---------------------- April 2, 1956 -----------------------

A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas

BY

EDWIN P. MARTIN

UNIVERSITY OF KANSAS LAWRENCE 1956

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman, A. Byron Leonard, Robert W. Wilson

Volume 8, No. 6, pp. 361-416, 19 figures in text Published April 2, 1956

UNIVERSITY OF KANSAS Lawrence, Kansas

PRINTED BY FERD VOILAND, JR., STATE PRINTER TOPEKA, KANSAS 1956

25-9225

CONTENTS

PAGE INTRODUCTION 363 GENERAL METHODS 364 HABITAT 366 POPULATION STRUCTURE 373 POPULATION DENSITY 376 HOME RANGE 380 LIFE HISTORY 383 Reproduction 383 Litter Size and Weight 386 Size, Growth Rates and Life Spans 388 Food Habits 397 Runways and Nests 398 Activity 400 PREDATION 401 MAMMALIAN ASSOCIATES 403 SUMMARY AND CONCLUSIONS 408 LITERATURE CITED 411

A POPULATION STUDY OF THE PRAIRIE VOLE (MICROTUS OCHROGASTER) IN NORTHEASTERN KANSAS

By

Edwin P. Martin

INTRODUCTION

Perhaps the most important species of mammal in the grasslands of Kansas and neighboring states is the prairie vole, _Microtus ochrogaster_ (Wagner). Because of its abundance this vole exerts a profound influence on the quantity and composition of the vegetation by feeding, trampling and burrowing; also it is important in food chains which sustain many other mammals, reptiles and birds. Although the closely related meadow vole, _M. pennsylvanicus_, of the eastern United States, has been studied both extensively and intensively, relatively little information concerning _M. ochrogaster_ has been accumulated heretofore.


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