Iowa State University Capstones, Theses and Retrospective Theses and Dissertations Dissertations 1964 Studies of the germination and growth of cattail in relation to marsh management John William Bedish Iowa State University Follow this and additional works at: https://lib.dr.iastate.edu/rtd Part of the Terrestrial and Aquatic Ecology Commons Recommended Citation Bedish, John William, "Studies of the germination and growth of cattail in relation to marsh management" (1964). Retrospective Theses and Dissertations. 16857. https://lib.dr.iastate.edu/rtd/16857 This Thesis is brought to you for free and open access by the Iowa State University Capstones, Theses and Dissertations at Iowa State University Digital Repository. It has been accepted for inclusion in Retrospective Theses and Dissertations by an authorized administrator of Iowa State University Digital Repository. For more information, please contact
[email protected]. STUDIES OF THE GERMINATION AND GROWTH OF CATTAIL IN RELATION TO K~SH MANAGEMENT by John William Bedish A Thesis Submitted to the Graduate Faculty in Partial Fulfillment of The Requirements for the Degree of MASTER OF SCIENCE Major Subject: Wildlife Management Signatures have been redacted for privacy Iowa State University Of Science and Technology Ames, Iowa 1964 ii TABLE OF CONTENTS Page INTRODUCTION 1 LITERATURE REVIEW 3 Importance of Cattail to Marsh Animals 3 Relation of Water to Presence of Cattail 5 Seed Germination and Viability 8 METHODS OF STUDY 14 Greenhouse Studies 14 Field Studies 23 RESULTS 29 Greenhouse Studies 29 Field Studies 46 DISCUSSION 65 Effects of Moisture on Cattail 65 Management Recommendations 69 SUMMARY 76 LITERATURE CITED 79 ACKNOWLEDGEMENTS 84 1 INTRODUCTION The total area of wetlands available to waterfowl has been greatly reduced during the past century due mainly to drainage for agricultural purposes.