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FLORA AND VEGETATION OF THE KOKIWANEE NATURE PRESERVE

FLORA AND VEGETATION OF THE KOKIWANEE NATURE PRESERVE. Teresa M. Michaelis and David J. Hicks Biology Department, Manchester College, North Manchester, IN. INTRODUCTION. x. ↔ Wabash CR 50S. Kokiwanee Nature Preserve (55 ha). Salamonie River. ↕ Wabash CR 600E. Salamonie State Forest.

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FLORA AND VEGETATION OF THE KOKIWANEE NATURE PRESERVE

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  1. FLORA AND VEGETATION OF THE KOKIWANEE NATURE PRESERVE Teresa M. Michaelis and David J. Hicks Biology Department, Manchester College, North Manchester, IN

  2. INTRODUCTION

  3. x

  4. ↔ Wabash CR 50S Kokiwanee Nature Preserve (55 ha) Salamonie River ↕ Wabash CR 600E Salamonie State Forest Salamonie Dam & Reservoir 1998

  5. PHYSICAL ENVIRONMENT

  6. GEOLOGICAL HISTORY • Calcareous Silurian rocks overlain by glacial till

  7. x Howe. 1997. Natural Heritage of Indiana.

  8. Melhorn. 1997. Natural Heritage of Indiana.

  9. Salamonie Gorge Formed in Holocene? (Fleming, 2005)

  10. Upland soils: alfisols (Glynwood-Morley group) Floodplain soil: inceptisol (Genesee series) (Wabash County Soil Survey)

  11. Humid continental climate Climate data for Wabash, IN

  12. NATURE PRESERVE

  13. ACRES Land Trust, Inc. 2004

  14. 1946-1995

  15. ACRES Trail System

  16. LAND-USE HISTORY

  17. Current 1941 1951

  18. Woodlot 1951 1941

  19. Bluff 1951 1941

  20. Pine plantations

  21. 1946-1995

  22. FLORA

  23. Collecting trips Total: 62 2004: 20 2005: 17 2006: 25

  24. SPECIES LIST • Currently 449 species

  25. SPECIES LIST • 43% are county records

  26. SPECIES LIST • 43% are “county records” • Deam flora (1940)

  27. Most plant illustrations from USDA PLANTS site

  28. ?

  29. 449 species is not unusually high, given extent of preserve Kokiwanee r2 = 0.89, p = 0.001 Botany Glen, Fogwell Forest, Ginn Woods, Mounds SP, Wright FGA

  30. SPECIES LIST • 93 families

  31. LARGEST FAMILIES 42 families represented by only 1 species

  32. SOME INTERESTING SPECIES

  33. UNUSUAL PLANTS • Possible state T&E Carex brunnescens

  34. Delphinium tricorne Species near edge of range

  35. x x x x x x x x x x x x Melanthium woodii x x x Species near edge of range

  36. Hydrangea arborescens Species near edge of range

  37. Hybanthus concolor Mertensia virginica Species uncommon in northeastern Indiana

  38. Panax quinquefolius Species uncommon in northeastern Indiana

  39. 5 Trilliums

  40. Invasives

  41. http://users.manchester.edu/Facstaff/DJHicks/kokiwaneelist.xlshttp://users.manchester.edu/Facstaff/DJHicks/kokiwaneelist.xls

  42. FLORISTIC QUALITY • “Coefficient of conservatism” (C) • 0 to 10 scale • Ratings from http://www.in.gov/idem/programs/water/401/plantlist.xls

  43. 15% non-native (vs. 30% for IN) Average for native spp. = Cav = 4.42 ± 2.38

  44. FLORISTIC QUALITY • For “the best natural woodland sites in the Central Till Plain… Cav (native species) plateau in the low 4 range.” (Rothrock and Homoya. 2005. Proc. IAS)

  45. FLORISTIC QUALITY • Floristic quality index = Cav √(number species) = 86

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