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Universi^ Micrcxilms International INFORMATION TO USERS This reproduction was made from a copy of a document sent to us for microfilming. While the most advanced technology has been used to photograph and reproduce this document, the quality of the reproduction is heavily dependent upon the quality of the material submitted. The following explanation of techniques is provided to help clarify markings or notations which may appear on this reproduction. 1. The sign or “target” for pages apparently lacking from the document photographed is “Missing Page(s)”. If it was possible to obtain the missing page(s) or section, they are spliced into the film along with adjacent pages. This may have necessitated cutting through an image and duplicating adjacent pages to assure complete continuity. 2. When an image on the film is obliterated with a round black mark, it is an indication of either blurred copy because of movement during exposure, duplicate copy, or copyrighted materials that should not have been filmed. For blurred pages, a good image of the page can be found in the adjacent frame. If copyrighted materials were deleted, a target note will appear listing the pages in the adjacent frame. 3. When a map, drawing or chart, etc., is part of the material being photographed, a definite method of “sectioning” the material has been followed. It is customary to begin filming at the upper left hand corner of a large sheet and to continue from left to right in equal sections with small overlaps. If necessary, sectioning is continued again-beginning below the first row and continuing on until complete. 4. For illustrations that cannot be satisfactorily reproduced by xerographic means, photographic prints can be purchased at additional cost and inserted into your xerographic copy. These prints are available upon request from the Dissertations Customer Services Department. 5. Some pages in any docum ent may have indistinct print. In all cases the best available copy has been filmed. Universi^ Micrcxilms International McGeehan, Lawrence Thomas MULTIVARIATE AND UNIVARIATE ANALYSES OF THE GEOGRAPHIC VARIATION WITHIN ETHEOSTOMA FLABELLARE (PISCES: PERCIDAE) OF EASTERN NORTH AMERICA The Ohio State University University Microfilms I ntern eti on elæ o N. zeeb Road, Ann Arbor. Ml 48106 Copyright 1985 by McGeehan, Lawrence Thomas All Rights Reserved In all cases this material has been filmed in the best possible way from the available copy. Problems encountered with this document have been identified here with a check mark V 1. G lossy photographs or p a_______ g e s 2. Colored illustrations, paper or print______ 3. Photographs with dark backgroundi / ' 4. Illustrations are poor copy_______ 5. Pages with black marks, not original copy 6. Print shows through as there is text on both sides of page_______ 7. Indistinct, broken or small print on several pages 8. Print e x c e e d s margin req u irem en_______ ts 9. Tightly bound co p y with print lo st in sp_______ in e 10. Computer printout pages with indistinct print_______ 11. P a g e (s_____________ ) lacking when material received, and not available from school or author. 12. P a g e (s)_____________seem to b e missing in numbering only a s text follow s. 13. Two p ages n u m b ered_____________. Text follow s. 14. Curling and wrinkled p a g_______ e s 15. O ther_________________________________________________________________________________ University Microfilms International MULTIVARIATE AND UNIVARIATE ANALYSES OF THE GEOGRAPHIC VARIATION WITHIN ETHEOSTOMA FLABELLARE (PISCES: PERCIDAE) OF EASTERN NORTH AMERICA DISSERTATION Presented in Partial Fullfillment of the Requirements for the Degree Doctor of Philosophy in the Graduate School of The Ohio State University By Lawrence T. McGeehan The Ohio State University 1985 Reading Committee: Approved By Dr. Paul C. Baumann Dr. Ted M. Cavender Dr. Willard C. Myser Adviser Dr. Barry D. Valentine Department of Zoology Copyright by Lawrence T. McGeehan 1985 ABSTRACT A series of multivariate discriminant function analyses, utilizing 31 meristic, morphometric, and pigmentation characters, indicated Etheostoma flabellare Rafinesque is a widespread polytypic species. There are five recognizable (92 to 96 percent of the time) allopatric forms within E. f l a b e l l a r e . The five allopatric forms are combined into two multivariate groups : a Montane-East Slope group, including E. f. robustum (n. s s p . ), E. f . h u m e r a l i s , and E. f. brevispina; and an Interior group, including an Ozark-Tennessee River assemblage and E. f . flabellare. The nominate form E. f . flabellare inhabits the Mississippi, Ohio, and Great Lakes basins, and isolated localities in the Mohawk, Hudson, and upper Susquehanna Rivers; indicating the subspecies ability to transgress drainage divides, especially in terrain formerly covered by Wisconsinan glacial ice. Etheostoma f. lineolatum (Agassiz) is reduced to a synonym of E. f. flabellare; since there is clinal variation between the two forms, any division along this Cline would be arbitrary. Another questionable form (recognized via discriminant analysis 92% of the time from adjacent populations), herein termed the Ozark-Tennessee group, inhabits the White River system of the Ozark Uplands in Missouri and Arkansas, and tributaries of the lower Tennessee River in the southern Appalachians. Further analysis of this form (including specimens from the geographically intermediate populations, i.e., the Duck, Clarks, and Buffalo Rivers) is needed to clearly define its geographic distribution and relationship with the nominate form. Etheostoma f. robustum (new subspecies) inhabits the upper Tennessee River system (upstream of the confluence of the Little Tennessee River), New River, and as a localized population in headwaters of Shavers Fork Cheat River (Monongahela River drainage). Etheostoma f . flabellare and E. f . robustum are both present in Shavers Fork, but are not syntopic. Intergrades between the two subspecies are identified from headwaters of the Guyandot, Coal, and Elk Rivers, West Virginia. Etheostoma f . humeralis inhabits the Atlantic slope drainages, including the lower Susquehanna, Potomac, James, Roanoke, Neuse, and probably Cape Fear Rivers. Etheostoma f . brevispina is the most southern representative of the barred fantail group on the Atlantic slope, inhabiting the Catawba, Broad, and Pee Dee River drainages in North and South Carolina. ACKNOWLEDGMENTS I wish to thank my adviser. Dr. Ted M. Cavender, for his encouragement and guidance during the course of my graduate studies at Ohio State University. His enthusiasm for Ichthyology is apparent and inspirational. Without his tenacious support this work would not have been completed. I would also like to thank my reading committee, including Dr. P. Baumann, Dr. T. Cavender, Dr. W. Myser, and Dr. B. Valentine. Their suggestions were most helpfull. This work also benefited from the assistance, during several field trips, of Miles Coburn, William LeGrande, Ted Cavender, Rich Carter, and Kathy Chan. I also thank the following for specimens borrowed or locality information provided: B. Branson, Eastern Kentucky University; T. Buchanan, Westark Community College; T. Cavender, Ohio State University Museum Zoology; D. Cincotta, West Virginia Department of Natural Resources-Elkins; E. Cooper, Pennsylvania State University; D. Etneir, University of Tennessee; C. Hocutt and J. Stauffer, Appalachian Environmental Laboratory University of Maryland Frostburg; R. Jenkins, Roanoke College; D. Lee, North Carolina State Museum; W. LeGrande University Wisconsin Stevens Point; E. Menhinick,.University North Carolina; L. Page, Illinois Natural History Survey; W. Pflieger Missouri Department of Conservation; R. Schoknecht, Cornell University; M. Warren, Kentucky Nature Preserves; and A. White, John Carroll University. I am especially gratefull to my wife, Susie. Her unwavering support is deeply appreciated. The understanding and support offered by my parents and family, especially my sons Brian and Miles, were valuable sources of inspiration during my studies. August 1, 1951 Born - Bethlehem, Pennsylvania Received primary and secondary education in St. Marys, PA 1 9 7 3 ..................... B.S., John Carroll University 1 9 7 5 ..................... M.S., John Carroll University 1 9 7 3 - 1 9 7 5................Graduate Assistant, John Carroll University 1 9 7 5 - 1 9 8 2 ................Teaching Assistant, Ohio State University WORK EXPERIENCE 1985 Special Assistant to Governor's Science Advisor 1983-1984 Researcher for Ohio Environmental Protection Agency Office of Planning 1973-1975 Field Coordinator, Environmental Resource Associates FELLOWSHIPS Mary 0‘sburn Summer Fellowship, 1980 Graduate Research Associate, 1979 (Summer) RESEARCH INTERESTS Evolution of North American freshwater fishes Multivariate analyses of morphologic variation of populations Master's Thesis: The effects of acidic effluents on the freshwater fishes of the Clarion River basin, Pennsylvania PRESENTATIONS Multivariate analysis of geographic variation in E. flabellare, 1982 Annual Meeting of American Society of Ichthyologists and Herpetologists TABLE OF CONTENTS Page ACKNOWLEDGMENTS ............................................ Ü VITA .......................................................... iv TABLE OF CONTENTS .......................................... V LIST OF TABLES .............................................. viii LIST OF FIGURES ............................................ x INTRODUCTION...............................................
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