121 



Table D-4 



Importance Values for Species Occurring at Site 4. 

 Arranged by Zone and Vegetation Layer 





Percent 



Percent 



Percent 







Relative 



Relative 



Relative 



Importance 



Species 



Frequency 



Density 



Dominance 



Value 





Zone 3 





Trees 











Carya aquatica 



33.3 



29.1 



59.6 



122.0 



Quercus lyrata 



25.0 



32.7 



23.1 



80.8 



Diospyros virginiana 



25.0 



14.6 



5.7 



45.3 



Forestiera acuminata 



12.5 



20.0 



6.7 



39.2 



Gleditsia aquatica 



4.2 



3.6 



4.9 



12.7 



100.0 



100.0 



100.0 



300.0 



Saplings and Shrubs 

 Forestiera acuminata 

 Quercus lyrata 

 Diospyros virginiana 

 Planera aquatica 

 Carya aquatica 

 Cephalanthus occidental is 

 Crataegus viridis 



20.7 



40.7 



43.3 



104.7 



27.6 



17.2 



19.8 



64.6 



17.2 



12.5 



13.8 



43.5 



13.8 



15.6 



10.4 



39.8 



6.9 



6.2 



7.1 



20.2 



10.4 



6.2 



3.3 



19.9 



3.4 



1.6 



2.3 



7.3 



100.0 



100.0 



100.0 



300.0 



Woody Vines 

 Vitis palmata 

 Brunnichia cirrohosa 

 Trachelospermum difforme 



53.4 



35.0 



52.8 



141.2 



33.3 



59.8 



44.6 



137.7 



13.3 



5.2 



2.6 



21.1 



100.0 



100.0 



100.0 



300.0 



Herbs and Woody Seedlings 

 Quercus lyrata 

 Brunnichia cirrhosa 

 Panicum rigidulum 

 Planera aquatica 

 Forestiera acuminata 

 Trachelospermum difforme 

 Diodia virginiana 

 Taxodium distichum 

 Acalypha rhomboidea 

 Carya aquatica 

 Cephalanthus occidentalis 

 Vitis palmata 

 Sty rax americana 



28.6 

 14.3 



5.7 



8.6 

 10.0 



8.6 



7. 



5. 



4. 



1. 



2. 



1, 



1. 



1 

 ,7 

 .3 

 .4 

 ,9 

 .4 

 .4 



100.0 



34.6 



63.2 



26.1 



40.4 



13.2 



18.9 



6.3 



14.9 



3.9 



13.9 



3.4 



12.0 



2.8 



9.9 



2.2 



7.9 



1.7 



6.0 



3.5 



4.9 



1.1 



4.0 



0.6 



2.0 



0.6 



2.0 



100.0 



200.0 



