Table D-l 



Importance Values for Species Occurring at Site 1. 

 Arranged by Zone and Vegetation Layer 



Species 6 



Percent Percent Percent 



Relative Relative Relative 



Frequency Density Dominance 



Zone 2 



Importance 

 Value 



Trees 



Taxodium distichum 



Nyssa aquatica 



Planera aquatica 



Fraxinus carol iniana 



Cephalanthus occidentalis 



31.8 



44.0 



42.2 



118.0 



31.8 



16.7 



49.2 



97.8 



18.2 



31.8 



7.3 



57.3 



13.6 



6.0 



0.9 



20.5 



4.6 



1.5 



0.4 



6.4 



100.0 



100.0 



100.0 



300.0 



Saplings and Shrubs 

 Planera aquatica 

 Cephalanthus occidentalis 

 Fraxinus caroliniana 

 Taxodium distichum 



45.4 



47.0 



49.7 



142.1 



27.3 



29.4 



24.1 



80.8 



18.2 



17.7 



19.7 



55.6 



9.1 



5.9 



6.5 



21.5 



100.0 



100.0 



100.0 



300.0 



Woody Vines 

 None present 



Herbs and Woody Seedlings 

 Sty rax americana 

 Planera aquatica 

 Cephalanthus occidentalis 



33.3 



33.4 



33.3 



100.0 



33.4 



33.3 



33.3 



100.0 



66.7 



66.7 



66.6 



200.0 



Zone 3 



Trees 



Quercus lyrata 

 Quercus laurifolia 

 Carya aquatica 

 Diospyros virginiana 

 Fraxinus caroliniana 

 Planera aquatica 

 Taxodium distichum 

 Acer drummondii 



17.8 



13.6 



25.6 



57.0 



8.9 



6.8 



25.1 



40.8 



11.7 



9.1 



18.2 



39.0 



11.7 



18.1 



5.8 



35.6 



14.8 



15.9 



3.9 



34.6 



11.7 



11.4 



5.1 



28.2 



11.7 



11.4 



2.9 



26.0 



5.9 



9.1 



10.0 



25.0 



No FTI numbers were calculated for plants not identified by species, 



103 



