FLORA AND VEGETATION OF THE KOKIWANEE NATURE PRESERVE
Teresa M. Michaelis and David J. HicksBiology Department, Manchester
College, North Manchester, IN
1998
SalamonieState Forest
KokiwaneeNature
Preserve(55 ha)
SalamonieDam & Reservoir
↔ Wabash CR 50S
↕ Wabash CR 600E
SalamonieRiver
Upland soils: alfisols (Glynwood-Morley group)Floodplain soil: inceptisol (Genesee series)
(Wabash County Soil Survey)
0
2
4
6
8
10
12
14
16
Mar Apr May J un J ul Aug Sep Oct
Month
Num
ber
of
collec
ting
trip
s
Collecting tripsTotal: 62
2004: 20 2005: 17 2006: 25
100
1000
10 100 1000
Area, ha
Num
ber
of
specie
s
r2 = 0.89, p = 0.001
Kokiwanee
Botany Glen, Fogwell Forest, Ginn Woods, Mounds SP, Wright FGA
449 species is not unusually high, given extent of preserve
LARGEST FAMILIES
FamilyNumber of
species
Asteraceae 59
Poaceae 35
Cyperaceae 33
Rosaceae 18
Lamiaceae 17
Liliaceae 17
Ranunculaceae 16
Apiacaeae 15
Fabaceae 14
Caprifoliaceae 1242 families represented by only 1 species
http://users.manchester.edu/Facstaff/DJHicks/kokiwaneelist.xls
FLORISTIC QUALITY
• “Coefficient of conservatism” (C)• 0 to 10 scale• Ratings from
http://www.in.gov/idem/programs/water/401/plantlist.xls
0
10
20
30
40
50
60
70
80
Index of conservatism
Num
ber
of sp
ecie
s
Average for native spp. = Cav = 4.42 ± 2.38
15% non-native (vs. 30% for IN)
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)
FLORISTIC QUALITY
• >45 indicates “noteworthy remnants of a region’s natural heritage” (Rothrock and Homoya, 2005)
• Higher than any value cited by Rothrock and Homoya (2005)
0
100
200
300
400
500
0 10 20 30 40 50 60
Number of collecting trips
Cum
ula
tive
num
ber
of
spec
ies
list
ed
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